Analysis
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max time kernel
145s -
max time network
146s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
03-12-2020 16:53
Static task
static1
Behavioral task
behavioral1
Sample
winserv.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
winserv.exe
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
winserv.exe
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Size
2.7MB
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MD5
cf2ab077a46219b6ce4a53517dd489ea
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SHA1
651b8d1377910e4728e85dcd231e269313ab9e1d
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SHA256
609b0a416f9b16a6df9b967dc32cd739402af31566e019a8fb8abdf3cb573e30
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SHA512
53fb1ac822467168ea8e7abdd72c78cdd90070b10773ce8c700c6784ab4cc3a03eb53887d158ce3a27779a5fbcf3300d2ccbedab79a34bfd42ddc91f68dbdad7
Score
7/10
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation winserv.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1424 winserv.exe 1424 winserv.exe 1424 winserv.exe 1424 winserv.exe 1424 winserv.exe 1976 winserv.exe 1976 winserv.exe 1976 winserv.exe 1976 winserv.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1424 winserv.exe Token: SeTakeOwnershipPrivilege 1976 winserv.exe Token: SeTcbPrivilege 1976 winserv.exe Token: SeTcbPrivilege 1976 winserv.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1424 winserv.exe 1424 winserv.exe 1424 winserv.exe 1424 winserv.exe 1976 winserv.exe 1976 winserv.exe 1976 winserv.exe 1976 winserv.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\winserv.exe"C:\Users\Admin\AppData\Local\Temp\winserv.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1424 -
C:\Users\Admin\AppData\Local\Temp\winserv.exeC:\Users\Admin\AppData\Local\Temp\winserv.exe -second2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1976
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