56584545.doc
This report is generated from a file or URL submitted to this webservice on January 29th 2020 20:17:32 (UTC) and action script Heavy Anti-Evasion
Guest System: Windows 7 64 bit, Professional, 6.1 (build 7601), Service Pack 1
Report generated by
Falcon Sandbox v8.30 © 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: "x9@qn._mxx"
Pattern match: "rk-q@g.yvp"
Pattern match: "rbg@kcd.xt"
Pattern match: "bt1z@q.qp"
Pattern match: "ga@oy-.8"
Pattern match: "h_u_@ugro.46ut"
Pattern match: "1@ft.w"
Pattern match: "7@bf7_.pq"
Pattern match: "ruqi@pd-cv3o.or"
Pattern match: "x@ak.h5"
Pattern match: "3b@rjly.vn"
Pattern match: "z@3a8.x7"
Pattern match: "fc@x.ej"
Pattern match: "x@1sqjwmb1a.mmwzrro"
Pattern match: "c@bz.q"
Pattern match: "y@ffosp.yx9ys47vq9l" - 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 11
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External Systems
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Sample was identified as clean by Antivirus engines
- details
- 0/22 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
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"WINWORD.EXE" created file "%TEMP%\~DF5B646C97237CBA1B.TMP"
"WINWORD.EXE" created file "%TEMP%\~DF7B59501C81888191.TMP"
"WINWORD.EXE" created file "%TEMP%\~DF319BA17A54F73C6A.TMP"
"WINWORD.EXE" created file "%TEMP%\~DF29C6CB06E2DFE82A.TMP"
"WINWORD.EXE" created file "%TEMP%\~DFA59B05A355B49FCC.TMP" - source
- API Call
- relevance
- 1/10
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Creates mutants
- details
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"\Sessions\1\BaseNamedObjects\Local\x64_10MU_ACBPIDS_S-1-5-5-0-61967"
"\Sessions\1\BaseNamedObjects\Local\x64_10MU_ACB10_S-1-5-5-0-61967"
"\Sessions\1\BaseNamedObjects\Global\552FFA80-3393-423d-8671-7BA046BB5906"
"\Sessions\1\BaseNamedObjects\Local\ZonesCacheCounterMutex"
"\Sessions\1\BaseNamedObjects\Local\ZonesLockedCacheCounterMutex"
"\Sessions\1\BaseNamedObjects\Global\MsoShellExtRegAccess_S-1-5-21-686412048-2446563785-1323799475-1001"
"Global\MsoShellExtRegAccess_S-1-5-21-686412048-2446563785-1323799475-1001"
"Local\x64_10MU_ACB10_S-1-5-5-0-61967"
"Local\ZonesLockedCacheCounterMutex"
"Local\x64_10MU_ACBPIDS_S-1-5-5-0-61967"
"Global\552FFA80-3393-423d-8671-7BA046BB5906"
"Local\ZonesCacheCounterMutex" - 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 F4270000
- 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: "S#7")
"WINWORD.EXE" (Access type: "DELETEVAL"; Path: "HKCU\SOFTWARE\MICROSOFT\OFFICE\14.0\WORD\RESILIENCY\STARTUPITEMS"; Key: "8%7")
"WINWORD.EXE" (Access type: "DELETEVAL"; Path: "HKCU\SOFTWARE\MICROSOFT\OFFICE\14.0\WORD\RESILIENCY\STARTUPITEMS")
"WINWORD.EXE" (Access type: "DELETE"; Path: "HKCU\SOFTWARE\MICROSOFT\OFFICE\14.0\WORD\RESILIENCY\STARTUPITEMS")
"WINWORD.EXE" (Access type: "DELETE"; Path: "HKCU\SOFTWARE\MICROSOFT\OFFICE\14.0\WORD\RESILIENCY") - 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 "NetUICtrlNotifySink"
"WINWORD.EXE" searching for class "REListbox20W"
"WINWORD.EXE" searching for class "OfficeTooltip"
"WINWORD.EXE" searching for class "MsoCommandBarPopup"
"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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"~_584545.doc" has type "data"
"~WRS_3C6EEBD3-02F2-4BA5-8DE0-97BF222C4B63_.tmp" has type "data"
"~_Normal.dotm" has type "data" - source
- Binary File
- relevance
- 3/10
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Touches files in the Windows directory
- details
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"WINWORD.EXE" touched file "C:\Windows\Globalization\Sorting\SortDefault.nls"
"WINWORD.EXE" touched file "C:\Windows\System32\en-US\setupapi.dll.mui"
"WINWORD.EXE" touched file "C:\Windows\System32\rsaenh.dll"
"WINWORD.EXE" touched file "C:\Windows\System32\en-US\msctf.dll.mui"
"WINWORD.EXE" touched file "C:\Windows\Fonts\StaticCache.dat"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\clr.dll"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\mscorwks.dll"
"WINWORD.EXE" touched file "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll"
"WINWORD.EXE" touched file "C:\Windows\System32\en-US\user32.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.ver0x000000000000001d.db"
"WINWORD.EXE" touched file "C:\Windows\System32\en-US\KernelBase.dll.mui"
"WINWORD.EXE" touched file "C:\Windows\System32\msxml6r.dll"
"WINWORD.EXE" touched file "C:\Users\%USERNAME%\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{3C6EEBD3-02F2-4BA5-8DE0-97BF222C4B63}.tmp"
"WINWORD.EXE" touched file "C:\Windows\System32\imageres.dll"
"WINWORD.EXE" touched file "C:\Windows\System32\en-US\imageres.dll.mui"
"WINWORD.EXE" touched file "C:\Windows\System32\oleacc.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: "p.VL/EgAggloZNol7B6CyU17R"
Pattern match: "Q.Qp/YI4%8K*P\x"
Heuristic match: "Bb4N67lN.fJ"
Heuristic match: "Lw&e_w={(9M~w^O}3E:]BRN+}Q6fKXgjWH#l~+Ove8s1a_^CE6(!*.MR"
Heuristic match: "8LzDqU@n09o'OOQ>@qJoiJ%::F9cOn2M{o=Bx[fa,F5*$*kAzY %s<G;3BYroZ|`<cZ+l!h_N&%UpK`Kelv25IRY)NNR}DRhVxJ8^8hw-J$U2W}uDTSio`y2\1pA|OkkA<,e}`^qRod}'QZLbNG?rZ:&%&cJ!$PK{|RZJ1:(W^a8>I,M `A.aq"
Heuristic match: "3B@Rjly.vN"
Pattern match: "oU0.FOVT/#Zr~W{{]51.LHP6$Sz{s"
Heuristic match: "ZMF$0J+634F_.kR"
Pattern match: "4.Fz/&Y;B"
Pattern match: "awn.TR/?:CvMzekiBbkJ^GY&M4YG9w[J|aAr?W^5"
Heuristic match: "}m<M.Nr" - 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"
"VariantClear@OLEAUT32.DLL" in "WINWORD.EXE"
"OleLoadFromStream@OLE32.DLL" in "WINWORD.EXE"
"VariantChangeType@OLEAUT32.DLL" in "WINWORD.EXE"
"SysFreeString@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 "a3b53f08e1d6d501" to virtual address "0x3F143258" (part of module "WINWORD.EXE")
"WINWORD.EXE" wrote bytes "e9abc03001cc" to virtual address "0xFD824060" ("SysAllocStringByteLen@OLEAUT32.DLL")
"WINWORD.EXE" wrote bytes "b307c00be1d6d501" to virtual address "0xF16671C0" (part of module "WWLIB.DLL")
"WINWORD.EXE" wrote bytes "48b8bc528ae4fe070000ffe0" to virtual address "0x77669020" ("SetUnhandledExceptionFilter@KERNEL32.DLL")
"WINWORD.EXE" wrote bytes "0909c00be1d6d501" to virtual address "0xEBD12350" (part of module "OART.DLL")
"WINWORD.EXE" wrote bytes "e933f03001" to virtual address "0xFD821180" ("VariantClear@OLEAUT32.DLL")
"WINWORD.EXE" wrote bytes "6a0ac00be1d6d501" to virtual address "0xF4F2FA00" (part of module "GFX.DLL")
"WINWORD.EXE" wrote bytes "c08bca0be1d6d501" to virtual address "0xE5CBD610" (part of module "MSO.DLL")
"WINWORD.EXE" wrote bytes "e913b0dbff" to virtual address "0xFED750C0" ("OleLoadFromStream@OLE32.DLL")
"WINWORD.EXE" wrote bytes "e94b9f3001cccccccccc" to virtual address "0xFD826230" ("VariantChangeType@OLEAUT32.DLL")
"WINWORD.EXE" wrote bytes "e217950be1d6d501" to virtual address "0xF4980160" (part of module "MSPTLS.DLL")
"WINWORD.EXE" wrote bytes "e933ef3001cccc" to virtual address "0xFD821210" ("SysFreeString@OLEAUT32.DLL")
"WINWORD.EXE" wrote bytes "00c3bf0be1d6d501" to virtual address "0xF43DDE48" (part of module "RICHED20.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
56584545.doc
- Filename
- 56584545.doc
- Size
- 565KiB (578360 bytes)
- Type
- doc office
- Description
- CDFV2 Encrypted
- Architecture
- WINDOWS
- SHA256
- da9e63ba97c92ce04ee320760c4047f5f40180b910c968482e6a36500ce593f5
- MD5
- 1f6e16613d8b53ff0c9a2989bd3c664e
- SHA1
- 2074233eebff2b83d4252162a478f226c95ff3e3
- ssdeep
- 12288:nsDvxV9dpPHVfNjCyB7H4PFFyZ155x4euKPTyMRuiYab:nsDvxV9dpdfN+yp4PFFyZH4tKnuiYS
Classification (TrID)
- 100.0% (.) Generic OLE2 / Multistream Compound File
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:\56584545.doc" (PID: 4016)
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 3
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~_584545.doc
- Size
- 162B (162 bytes)
- Type
- data
- Runtime Process
- WINWORD.EXE (PID: 4016)
- MD5
- 16cf07b6d6f758652122f5c01b561b38
- SHA1
- 5ef543ce193044191392e2b8e887a300c52baf74
- SHA256
- 3882a3e04d6cf66707b31c8cb14a7c9fe512d10dd355f97a37e8666270f6e17d
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~WRS_3C6EEBD3-02F2-4BA5-8DE0-97BF222C4B63_.tmp
- Size
- 1KiB (1024 bytes)
- Type
- data
- Runtime Process
- WINWORD.EXE (PID: 4016)
- MD5
- 5d4d94ee7e06bbb0af9584119797b23a
- SHA1
- dbb111419c704f116efa8e72471dd83e86e49677
- SHA256
- 4826c0d860af884d3343ca6460b0006a7a2ce7dbccc4d743208585d997cc5fd1
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~_Normal.dotm
- Size
- 162B (162 bytes)
- Type
- data
- Runtime Process
- WINWORD.EXE (PID: 4016)
- MD5
- 16cf07b6d6f758652122f5c01b561b38
- SHA1
- 5ef543ce193044191392e2b8e887a300c52baf74
- SHA256
- 3882a3e04d6cf66707b31c8cb14a7c9fe512d10dd355f97a37e8666270f6e17d
-