Analysis
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max time kernel
104s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2025, 01:28
Behavioral task
behavioral1
Sample
c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe
Resource
win7-20240903-en
windows7-x64
6 signatures
120 seconds
General
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Target
c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe
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Size
230KB
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MD5
b49420e3edc45ce1e356a5b8fa2a9c90
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SHA1
8e8db5c97a1a4a80ee366269e841df2b2ae523c7
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SHA256
c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371
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SHA512
c0ab221a259f4a112a1459ffd231f078d097e63ebd5c05f77c5746b03f1020969e375b78c438c675ddb01062dd87235253e13187ff0f6576e4589ca3157029fe
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SSDEEP
6144:dloZM+rIkd8g+EtXHkv/iD4LJeTywvrYChkijD6h1b8e1mFi:/oZtL+EP8LJeTywvrYChkijD6b3
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/1876-1-0x0000020BA1380000-0x0000020BA13C0000-memory.dmp family_umbral -
Umbral family
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 ip-api.com -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 1876 c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe Token: SeIncreaseQuotaPrivilege 5660 wmic.exe Token: SeSecurityPrivilege 5660 wmic.exe Token: SeTakeOwnershipPrivilege 5660 wmic.exe Token: SeLoadDriverPrivilege 5660 wmic.exe Token: SeSystemProfilePrivilege 5660 wmic.exe Token: SeSystemtimePrivilege 5660 wmic.exe Token: SeProfSingleProcessPrivilege 5660 wmic.exe Token: SeIncBasePriorityPrivilege 5660 wmic.exe Token: SeCreatePagefilePrivilege 5660 wmic.exe Token: SeBackupPrivilege 5660 wmic.exe Token: SeRestorePrivilege 5660 wmic.exe Token: SeShutdownPrivilege 5660 wmic.exe Token: SeDebugPrivilege 5660 wmic.exe Token: SeSystemEnvironmentPrivilege 5660 wmic.exe Token: SeRemoteShutdownPrivilege 5660 wmic.exe Token: SeUndockPrivilege 5660 wmic.exe Token: SeManageVolumePrivilege 5660 wmic.exe Token: 33 5660 wmic.exe Token: 34 5660 wmic.exe Token: 35 5660 wmic.exe Token: 36 5660 wmic.exe Token: SeIncreaseQuotaPrivilege 5660 wmic.exe Token: SeSecurityPrivilege 5660 wmic.exe Token: SeTakeOwnershipPrivilege 5660 wmic.exe Token: SeLoadDriverPrivilege 5660 wmic.exe Token: SeSystemProfilePrivilege 5660 wmic.exe Token: SeSystemtimePrivilege 5660 wmic.exe Token: SeProfSingleProcessPrivilege 5660 wmic.exe Token: SeIncBasePriorityPrivilege 5660 wmic.exe Token: SeCreatePagefilePrivilege 5660 wmic.exe Token: SeBackupPrivilege 5660 wmic.exe Token: SeRestorePrivilege 5660 wmic.exe Token: SeShutdownPrivilege 5660 wmic.exe Token: SeDebugPrivilege 5660 wmic.exe Token: SeSystemEnvironmentPrivilege 5660 wmic.exe Token: SeRemoteShutdownPrivilege 5660 wmic.exe Token: SeUndockPrivilege 5660 wmic.exe Token: SeManageVolumePrivilege 5660 wmic.exe Token: 33 5660 wmic.exe Token: 34 5660 wmic.exe Token: 35 5660 wmic.exe Token: 36 5660 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1876 wrote to memory of 5660 1876 c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe 87 PID 1876 wrote to memory of 5660 1876 c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe"C:\Users\Admin\AppData\Local\Temp\c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:5660
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