Gan Mei reference check 2.docx
This report is generated from a file or URL submitted to this webservice on July 10th 2018 11:18:19 (UTC)
Guest System: Windows 7 32 bit, Home Premium, 6.1 (build 7601), Service Pack 1, Office 2010 v14.0.4
Report generated by
Falcon Sandbox v8.10 © Hybrid Analysis
Incident Response
MITRE ATT&CK™ Techniques Detection
Indicators
Not all malicious and suspicious indicators are displayed. Get your own cloud service or the full version to view all details.
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Suspicious Indicators 1
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General
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Found a potential E-Mail address in binary/memory
- details
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Pattern match: "mptn@xoz.wn"
Pattern match: "ba@yy.m"
Pattern match: "0x@t.vhevn_"
Pattern match: "l@7g.g5z_utps" - source
- File/Memory
- relevance
- 3/10
- ATT&CK ID
- T1114 (Show technique in the MITRE ATT&CK™ matrix)
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Found a potential E-Mail address in binary/memory
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Informative 12
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External Systems
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Sample was identified as clean by Antivirus engines
- details
- 0/60 Antivirus vendors marked sample as malicious (0% detection rate)
- source
- External System
- relevance
- 10/10
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Sample was identified as clean by Antivirus engines
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General
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Creates a writable file in a temporary directory
- details
- "WINWORD.EXE" created file "%TEMP%\mso31E7.tmp"
- source
- API Call
- relevance
- 1/10
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Creates mutants
- details
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"\Sessions\1\BaseNamedObjects\Global\552FFA80-3393-423d-8671-7BA046BB5906"
"Local\ZoneAttributeCacheCounterMutex"
"Local\10MU_ACB10_S-1-5-5-0-61147"
"Global\MTX_MSO_Formal1_S-1-5-21-4162757579-3804539371-4239455898-1000"
"Local\ZonesLockedCacheCounterMutex"
"Local\ZonesCounterMutex"
"Local\ZonesCacheCounterMutex"
"Global\MTX_MSO_AdHoc1_S-1-5-21-4162757579-3804539371-4239455898-1000"
"Local\10MU_ACBPIDS_S-1-5-5-0-61147"
"Global\552FFA80-3393-423d-8671-7BA046BB5906"
"\Sessions\1\BaseNamedObjects\Local\10MU_ACBPIDS_S-1-5-5-0-61147"
"\Sessions\1\BaseNamedObjects\Local\10MU_ACB10_S-1-5-5-0-61147"
"\Sessions\1\BaseNamedObjects\Local\ZonesCounterMutex"
"\Sessions\1\BaseNamedObjects\Local\ZoneAttributeCacheCounterMutex"
"\Sessions\1\BaseNamedObjects\Local\ZonesCacheCounterMutex"
"\Sessions\1\BaseNamedObjects\Local\ZonesLockedCacheCounterMutex"
"\Sessions\1\BaseNamedObjects\Global\MTX_MSO_Formal1_S-1-5-21-4162757579-3804539371-4239455898-1000"
"\Sessions\1\BaseNamedObjects\Global\MTX_MSO_AdHoc1_S-1-5-21-4162757579-3804539371-4239455898-1000"
"\Sessions\1\BaseNamedObjects\Global\MsoShellExtRegAccess_S-1-5-21-4162757579-3804539371-4239455898-1000" - source
- Created Mutant
- relevance
- 3/10
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Loads rich edit control libraries
- details
- "WINWORD.EXE" loaded module "%COMMONPROGRAMFILES%\microsoft shared\OFFICE14\RICHED20.DLL" at 69DB0000
- source
- Loaded Module
- ATT&CK ID
- T1179 (Show technique in the MITRE ATT&CK™ matrix)
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Removes Office resiliency keys (often used to avoid problems opening documents)
- details
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"WINWORD.EXE" (Access type: "DELETEVAL"; Path: "HKCU\SOFTWARE\MICROSOFT\OFFICE\14.0\WORD\RESILIENCY\STARTUPITEMS"; Key: "EUF")
"WINWORD.EXE" (Access type: "DELETEVAL"; Path: "HKCU\SOFTWARE\MICROSOFT\OFFICE\14.0\WORD\RESILIENCY\STARTUPITEMS"; Key: "*BG")
"WINWORD.EXE" (Access type: "DELETEVAL"; Path: "HKCU\SOFTWARE\MICROSOFT\OFFICE\14.0\WORD\RESILIENCY\STARTUPITEMS"; Key: "<SF")
"WINWORD.EXE" (Access type: "DELETE"; Path: "HKCU\SOFTWARE\MICROSOFT\OFFICE\14.0\WORD\RESILIENCY\STARTUPITEMS") - source
- Registry Access
- relevance
- 10/10
- ATT&CK ID
- T1112 (Show technique in the MITRE ATT&CK™ matrix)
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Scanning for window names
- details
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"WINWORD.EXE" searching for class "mspim_wnd32"
"WINWORD.EXE" searching for class "MSOBALLOON"
"WINWORD.EXE" searching for class "MsoHelp10"
"WINWORD.EXE" searching for class "AgentAnim" - source
- API Call
- relevance
- 10/10
- ATT&CK ID
- T1010 (Show technique in the MITRE ATT&CK™ matrix)
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Creates a writable file in a temporary directory
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Installation/Persistance
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Dropped files
- details
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"GanMeireferencecheck2.LNK" has type "MS Windows shortcut Item id list present Points to a file or directory Has Relative path Archive ctime=Tue Jul 10 17:18:51 2018 mtime=Tue Jul 10 17:22:45 2018 atime=Tue Jul 10 17:22:45 2018 length=741782 window=hide"
"~$nMeireferencecheck2.docx" has type "data"
"index.dat" has type "data"
"~WRS{C6D3A7F1-D660-43C7-A923-EAC0323F8EA4}.tmp" has type "data"
"ExcludeDictionaryEN0409.lex" has type "Little-endian UTF-16 Unicode text with no line terminators"
"~WRD0001.tmp" has type "Microsoft Word 2007+"
"MSO3081.acl" has type "data"
"~WRS{EF526FC3-6125-4564-9C3D-974D6A478FD5}.tmp" has type "data"
"ExcludeDictionaryEN0c09.lex" has type "Little-endian UTF-16 Unicode text with no line terminators"
"~$Normal.dotm" has type "data" - source
- Binary File
- relevance
- 3/10
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Opens the MountPointManager (often used to detect additional infection locations)
- details
- "WINWORD.EXE" opened "\Device\MountPointManager"
- source
- API Call
- relevance
- 5/10
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Touches files in the Windows directory
- details
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"WINWORD.EXE" touched file "C:\Windows\AppPatch\sysmain.sdb"
"WINWORD.EXE" touched file "C:\Windows\Globalization\Sorting\SortDefault.nls"
"WINWORD.EXE" touched file "C:\Windows\Fonts\StaticCache.dat"
"WINWORD.EXE" touched file "C:\Windows\System32\en-US\user32.dll.mui"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework\v1.0.3705\clr.dll"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework\v1.0.3705\mscorwks.dll"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework\v1.1.4322\clr.dll"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework\v1.1.4322\mscorwks.dll"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework\v2.0.50727\clr.dll"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework\v4.0.30319\clr.dll"
"WINWORD.EXE" touched file "C:\Windows\System32\en-US\setupapi.dll.mui"
"WINWORD.EXE" touched file "%LOCALAPPDATA%\Microsoft\Windows\Caches"
"WINWORD.EXE" touched file "C:\Users\%USERNAME%\AppData\Local\Microsoft\Windows\Caches\cversions.1.db"
"WINWORD.EXE" touched file "C:\Users\%USERNAME%\AppData\Local\Microsoft\Windows\Caches\{AFBF9F1A-8EE8-4C77-AF34-C647E37CA0D9}.1.ver0x000000000000000c.db"
"WINWORD.EXE" touched file "C:\Windows\System32\rsaenh.dll"
"WINWORD.EXE" touched file "C:\Windows\System32\en-US\KernelBase.dll.mui"
"WINWORD.EXE" touched file "C:\Windows\System32\msxml6r.dll" - source
- API Call
- relevance
- 7/10
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Dropped files
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Network Related
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Found potential URL in binary/memory
- details
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Pattern match: "ns.adobe.com/xap/1.0/"
Pattern match: "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
Pattern match: "http://purl.org/dc/elements/1.1/"
Pattern match: "http://ns.adobe.com/xap/1.0/"
Pattern match: "http://ns.adobe.com/xap/1.0/g/img/"
Pattern match: "http://ns.adobe.com/xap/1.0/mm/"
Pattern match: "http://ns.adobe.com/xap/1.0/sType/ResourceRef#"
Pattern match: "x.xmSS/lKD"
Pattern match: "8.Xb/'3XH&"
Pattern match: "G.KG/S+7{{{{{{{{{{{{{{{{_@q"
Pattern match: "c2y.KUL/':**'dD"
Pattern match: "MEeP.KYE/\\2}=bbtf3W#jQ94#j19#j95vuThAO" - source
- File/Memory
- relevance
- 10/10
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Found potential URL in binary/memory
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System Security
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Hooks API calls
- details
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"SysAllocStringByteLen@OLEAUT32.DLL" in "WINWORD.EXE"
"VariantChangeType@OLEAUT32.DLL" in "WINWORD.EXE"
"SysFreeString@OLEAUT32.DLL" in "WINWORD.EXE"
"OleLoadFromStream@OLE32.DLL" in "WINWORD.EXE"
"VariantClear@OLEAUT32.DLL" in "WINWORD.EXE" - source
- Hook Detection
- relevance
- 10/10
- ATT&CK ID
- T1179 (Show technique in the MITRE ATT&CK™ matrix)
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Hooks API calls
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Unusual Characteristics
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Installs hooks/patches the running process
- details
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"WINWORD.EXE" wrote bytes "e99e48b6ed" to virtual address "0x75373D01" ("SetUnhandledExceptionFilter@KERNEL32.DLL")
"WINWORD.EXE" wrote bytes "198a9892" to virtual address "0x69DF9904" (part of module "RICHED20.DLL")
"WINWORD.EXE" wrote bytes "e9603392ed" to virtual address "0x755F4731" ("SysAllocStringByteLen@OLEAUT32.DLL")
"WINWORD.EXE" wrote bytes "e9239994ed" to virtual address "0x755F5DEE" ("VariantChangeType@OLEAUT32.DLL")
"WINWORD.EXE" wrote bytes "e99a5491ed" to virtual address "0x755F3E59" ("SysFreeString@OLEAUT32.DLL")
"WINWORD.EXE" wrote bytes "e9c532d1ed" to virtual address "0x757A6143" ("OleLoadFromStream@OLE32.DLL")
"WINWORD.EXE" wrote bytes "cf6ee493" to virtual address "0x2F531B94" (part of module "WINWORD.EXE")
"WINWORD.EXE" wrote bytes "683450b6" to virtual address "0x69852A00" (part of module "CSS7DATA0009.DLL")
"WINWORD.EXE" wrote bytes "9e01aab9" to virtual address "0x6A3F3408" (part of module "MSCSS7EN.DLL")
"WINWORD.EXE" wrote bytes "5c4266b8" to virtual address "0x6A2942C4" (part of module "MSPROOF7.DLL")
"WINWORD.EXE" wrote bytes "e9365592ed" to virtual address "0x755F3EAE" ("VariantClear@OLEAUT32.DLL")
"WINWORD.EXE" wrote bytes "32e07492" to virtual address "0x69A5CA70" (part of module "GFX.DLL")
"WINWORD.EXE" wrote bytes "ab117792" to virtual address "0x64EEF530" (part of module "WWLIB.DLL")
"WINWORD.EXE" wrote bytes "13979d92" to virtual address "0x69F010AC" (part of module "MSPTLS.DLL")
"WINWORD.EXE" wrote bytes "c4ca367580bb3675aa6e37759fbb367508bb367546ce367561383775de2f3775d0d9367500000000177975754f9175757f6f7575f4f7757511f77575f2837575857e757500000000" to virtual address "0x6D7D1000" (part of module "MSIMG32.DLL")
"WINWORD.EXE" wrote bytes "f2554292" to virtual address "0x63130BA8" (part of module "MSO.DLL")
"WINWORD.EXE" wrote bytes "69db7492" to virtual address "0x661B78E4" (part of module "OART.DLL") - source
- Hook Detection
- relevance
- 10/10
- ATT&CK ID
- T1179 (Show technique in the MITRE ATT&CK™ matrix)
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Installs hooks/patches the running process
File Details
Gan Mei reference check 2.docx
- Filename
- Gan Mei reference check 2.docx
- Size
- 723KiB (740404 bytes)
- Type
- docx office
- Description
- Microsoft Word 2007+
- Architecture
- WINDOWS
- SHA256
- ed0c878872ae7eb3984670543b6e7420e6020c9ae8282f8d62f3bd8d12c850ab
- MD5
- 22fcfabad9a0ce3008e90b5f711e3c0b
- SHA1
- e7421f32ad567e625893918f946062b08aed9fa7
Classification (TrID)
- 91.8% (.DOCX) Word Microsoft Office Open XML Format document
- 8.1% (.ZIP) ZIP compressed archive
Screenshots
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Hybrid Analysis
Tip: Click an analysed process below to view more details.
Analysed 1 process in total.
- WINWORD.EXE /n "C:\GanMeireferencecheck2.docx" (PID: 2420)
Network Analysis
DNS Requests
No relevant DNS requests were made.
Contacted Hosts
No relevant hosts were contacted.
HTTP Traffic
No relevant HTTP requests were made.
Extracted Strings
Extracted Files
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Informative 10
-
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GanMeireferencecheck2.LNK
- Size
- 523B (523 bytes)
- Type
- lnk
- Description
- MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Archive, ctime=Tue Jul 10 17:18:51 2018, mtime=Tue Jul 10 17:22:45 2018, atime=Tue Jul 10 17:22:45 2018, length=741782, window=hide
- Runtime Process
- WINWORD.EXE (PID: 2420)
- MD5
- 1752d9d8953a3786fd82408addda31b1
- SHA1
- 609490c0f30c9eeff876bd3fbf5808453eba8463
- SHA256
- cab2dfd590c43d74b3bf4f782c805d44240c01eb7249ca64657f3dfe7b143c5e
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index.dat
- Size
- 164B (164 bytes)
- Type
- data
- Runtime Process
- WINWORD.EXE (PID: 2420)
- MD5
- 236dcb3a7ccf3c09d9bed601f3394e56
- SHA1
- bd3b816d307a4f35f0f586d55ff26b7228bfd24f
- SHA256
- 8b24ca361c17cfb0484fee12a6b29735ffb73d54df02c2552f4f01013171c97e
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~$Normal.dotm
- Size
- 162B (162 bytes)
- Type
- data
- Runtime Process
- WINWORD.EXE (PID: 2420)
- MD5
- e195ef42325215da6817d37cce0f77d9
- SHA1
- 13f41e9a55e5f7db1fc12bdfc190fa56ddb84fcd
- SHA256
- 3d9574bf555dd79e15130e12a2a0a0d10ed47e07d9462d9e9659e6b1f6416364
-
~WRS{C6D3A7F1-D660-43C7-A923-EAC0323F8EA4}.tmp
- Size
- 1KiB (1024 bytes)
- Type
- data
- Runtime Process
- WINWORD.EXE (PID: 2420)
- MD5
- 5d4d94ee7e06bbb0af9584119797b23a
- SHA1
- dbb111419c704f116efa8e72471dd83e86e49677
- SHA256
- 4826c0d860af884d3343ca6460b0006a7a2ce7dbccc4d743208585d997cc5fd1
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~WRS{EF526FC3-6125-4564-9C3D-974D6A478FD5}.tmp
- Size
- 23KiB (23552 bytes)
- Type
- ppt office
- Description
- data
- Runtime Process
- WINWORD.EXE (PID: 2420)
- MD5
- 904e9ab9440d1f5a6c4db64b8bdadb1e
- SHA1
- 72b3198a81b099ebafd07170fe870ad30155765e
- SHA256
- 226fd1747716b8201d1572fa4b6357ab2b08b09ec4e5aacd41d424ab0349d28f
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~$nMeireferencecheck2.docx
- Size
- 162B (162 bytes)
- Type
- data
- Runtime Process
- WINWORD.EXE (PID: 2420)
- MD5
- e195ef42325215da6817d37cce0f77d9
- SHA1
- 13f41e9a55e5f7db1fc12bdfc190fa56ddb84fcd
- SHA256
- 3d9574bf555dd79e15130e12a2a0a0d10ed47e07d9462d9e9659e6b1f6416364
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ExcludeDictionaryEN0409.lex
- Size
- 2B (2 bytes)
- Type
- text
- Description
- Little-endian UTF-16 Unicode text, with no line terminators
- MD5
- f3b25701fe362ec84616a93a45ce9998
- SHA1
- d62636d8caec13f04e28442a0a6fa1afeb024bbb
- SHA256
- b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
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~WRD0001.tmp
- Size
- 1.2MiB (1245184 bytes)
- Type
- docx office
- Description
- Microsoft Word 2007+
- MD5
- 693e4eaf399da7d0922a3f1113baa10b
- SHA1
- b9cac5d1d699a956a4e7a461d74ae72b3695b413
- SHA256
- 5fe5b7400e8ae157462f784d4cf287b09425f8e1bac07f727ffe47524fe76c47
-
MSO3081.acl
- Size
- 37KiB (37762 bytes)
- Type
- data
- MD5
- 4de1f8285dbf31ae6fd333af31729da2
- SHA1
- 187789cda81a0ecf8f228faef4ef2692d7c615be
- SHA256
- 1fa765b6cbfc8eb3b7713a3d83b2595024385969561ad07862eace575bcdc199
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ExcludeDictionaryEN0c09.lex
- Size
- 2B (2 bytes)
- Type
- text
- Description
- Little-endian UTF-16 Unicode text, with no line terminators
- MD5
- f3b25701fe362ec84616a93a45ce9998
- SHA1
- d62636d8caec13f04e28442a0a6fa1afeb024bbb
- SHA256
- b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
-