Analysis
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max time kernel
74s -
max time network
19s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-03-2021 13:33
Behavioral task
behavioral1
Sample
Documents676.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Documents676.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
Documents676.xlsm
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Size
57KB
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MD5
8c9041813c83038de85079aa49f3d936
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SHA1
6fa687e4396b933d0b4555455b55de5b8db3baf7
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SHA256
c5444c7252d6e22f4a2de2168a4afeb08e1f841aeba675e6e632e2c64fcd71ca
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SHA512
9cf1431762f932a3bf4fd858496e4339443115676084b7b6d1f0ab206940277a3cba09c410e02232e1689dc50501286888de4ed62abc3f12ce6077bcb335b309
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://vpu03jivmm03qncgx.com/index.gif
Signatures
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Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
wmic.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1848 1832 wmic.exe EXCEL.EXE Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 780 484 regsvr32.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1832 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 40 IoCs
Processes:
wmic.exedescription pid process Token: SeIncreaseQuotaPrivilege 1848 wmic.exe Token: SeSecurityPrivilege 1848 wmic.exe Token: SeTakeOwnershipPrivilege 1848 wmic.exe Token: SeLoadDriverPrivilege 1848 wmic.exe Token: SeSystemProfilePrivilege 1848 wmic.exe Token: SeSystemtimePrivilege 1848 wmic.exe Token: SeProfSingleProcessPrivilege 1848 wmic.exe Token: SeIncBasePriorityPrivilege 1848 wmic.exe Token: SeCreatePagefilePrivilege 1848 wmic.exe Token: SeBackupPrivilege 1848 wmic.exe Token: SeRestorePrivilege 1848 wmic.exe Token: SeShutdownPrivilege 1848 wmic.exe Token: SeDebugPrivilege 1848 wmic.exe Token: SeSystemEnvironmentPrivilege 1848 wmic.exe Token: SeRemoteShutdownPrivilege 1848 wmic.exe Token: SeUndockPrivilege 1848 wmic.exe Token: SeManageVolumePrivilege 1848 wmic.exe Token: 33 1848 wmic.exe Token: 34 1848 wmic.exe Token: 35 1848 wmic.exe Token: SeIncreaseQuotaPrivilege 1848 wmic.exe Token: SeSecurityPrivilege 1848 wmic.exe Token: SeTakeOwnershipPrivilege 1848 wmic.exe Token: SeLoadDriverPrivilege 1848 wmic.exe Token: SeSystemProfilePrivilege 1848 wmic.exe Token: SeSystemtimePrivilege 1848 wmic.exe Token: SeProfSingleProcessPrivilege 1848 wmic.exe Token: SeIncBasePriorityPrivilege 1848 wmic.exe Token: SeCreatePagefilePrivilege 1848 wmic.exe Token: SeBackupPrivilege 1848 wmic.exe Token: SeRestorePrivilege 1848 wmic.exe Token: SeShutdownPrivilege 1848 wmic.exe Token: SeDebugPrivilege 1848 wmic.exe Token: SeSystemEnvironmentPrivilege 1848 wmic.exe Token: SeRemoteShutdownPrivilege 1848 wmic.exe Token: SeUndockPrivilege 1848 wmic.exe Token: SeManageVolumePrivilege 1848 wmic.exe Token: 33 1848 wmic.exe Token: 34 1848 wmic.exe Token: 35 1848 wmic.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1832 wrote to memory of 1848 1832 EXCEL.EXE wmic.exe PID 1832 wrote to memory of 1848 1832 EXCEL.EXE wmic.exe PID 1832 wrote to memory of 1848 1832 EXCEL.EXE wmic.exe PID 1832 wrote to memory of 1848 1832 EXCEL.EXE wmic.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Documents676.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe process call create 'regsvr32 -s C:\Users\Public\microsoft.security'2⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\regsvr32.exeregsvr32 -s C:\Users\Public\microsoft.security1⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/752-5-0x000007FEF6670000-0x000007FEF68EA000-memory.dmpFilesize
2.5MB
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memory/780-7-0x000007FEFC011000-0x000007FEFC013000-memory.dmpFilesize
8KB
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memory/1832-2-0x000000002FFF1000-0x000000002FFF4000-memory.dmpFilesize
12KB
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memory/1832-3-0x0000000071811000-0x0000000071813000-memory.dmpFilesize
8KB
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memory/1832-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1848-6-0x0000000000000000-mapping.dmp