Analysis
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max time kernel
74s -
max time network
20s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-03-2021 13:33
Behavioral task
behavioral1
Sample
Documents56.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Documents56.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
Documents56.xlsm
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Size
57KB
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MD5
4168738fae0705c01339de24d3f94b42
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SHA1
57f932261157a009d070dd0e1475474ca8f7948c
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SHA256
9bbc391b874c7a1365df81fd20d85cfdc5ec42efab14cbdd00125ec869837043
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SHA512
3d1ac743d81e629d621f3acbf5848f525f5df7397632553b4576ff162fd1c5fa59285cb4c931329e4739c1cdf17ce1fe72071652de348cf612ffebaa05ef68df
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://sal03gicu03qcwtif.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 1724 324 wmic.exe EXCEL.EXE Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 668 792 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 Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar 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 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 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 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 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 324 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 40 IoCs
Processes:
wmic.exedescription pid process Token: SeIncreaseQuotaPrivilege 1724 wmic.exe Token: SeSecurityPrivilege 1724 wmic.exe Token: SeTakeOwnershipPrivilege 1724 wmic.exe Token: SeLoadDriverPrivilege 1724 wmic.exe Token: SeSystemProfilePrivilege 1724 wmic.exe Token: SeSystemtimePrivilege 1724 wmic.exe Token: SeProfSingleProcessPrivilege 1724 wmic.exe Token: SeIncBasePriorityPrivilege 1724 wmic.exe Token: SeCreatePagefilePrivilege 1724 wmic.exe Token: SeBackupPrivilege 1724 wmic.exe Token: SeRestorePrivilege 1724 wmic.exe Token: SeShutdownPrivilege 1724 wmic.exe Token: SeDebugPrivilege 1724 wmic.exe Token: SeSystemEnvironmentPrivilege 1724 wmic.exe Token: SeRemoteShutdownPrivilege 1724 wmic.exe Token: SeUndockPrivilege 1724 wmic.exe Token: SeManageVolumePrivilege 1724 wmic.exe Token: 33 1724 wmic.exe Token: 34 1724 wmic.exe Token: 35 1724 wmic.exe Token: SeIncreaseQuotaPrivilege 1724 wmic.exe Token: SeSecurityPrivilege 1724 wmic.exe Token: SeTakeOwnershipPrivilege 1724 wmic.exe Token: SeLoadDriverPrivilege 1724 wmic.exe Token: SeSystemProfilePrivilege 1724 wmic.exe Token: SeSystemtimePrivilege 1724 wmic.exe Token: SeProfSingleProcessPrivilege 1724 wmic.exe Token: SeIncBasePriorityPrivilege 1724 wmic.exe Token: SeCreatePagefilePrivilege 1724 wmic.exe Token: SeBackupPrivilege 1724 wmic.exe Token: SeRestorePrivilege 1724 wmic.exe Token: SeShutdownPrivilege 1724 wmic.exe Token: SeDebugPrivilege 1724 wmic.exe Token: SeSystemEnvironmentPrivilege 1724 wmic.exe Token: SeRemoteShutdownPrivilege 1724 wmic.exe Token: SeUndockPrivilege 1724 wmic.exe Token: SeManageVolumePrivilege 1724 wmic.exe Token: 33 1724 wmic.exe Token: 34 1724 wmic.exe Token: 35 1724 wmic.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 324 EXCEL.EXE 324 EXCEL.EXE 324 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 324 wrote to memory of 1724 324 EXCEL.EXE wmic.exe PID 324 wrote to memory of 1724 324 EXCEL.EXE wmic.exe PID 324 wrote to memory of 1724 324 EXCEL.EXE wmic.exe PID 324 wrote to memory of 1724 324 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\Documents56.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:324 -
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
PID:1724
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C:\Windows\system32\regsvr32.exeregsvr32 -s C:\Users\Public\microsoft.security1⤵
- Process spawned unexpected child process
PID:668