Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
29-05-2024 18:54
Behavioral task
behavioral1
Sample
Umbral.exe
Resource
win7-20240215-en
windows7-x64
4 signatures
150 seconds
General
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Target
Umbral.exe
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Size
227KB
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MD5
352d7bc3f16944c271e510f0bfad2b71
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SHA1
fb31618e42f6beecf323f045f8453e7ecb67f0ea
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SHA256
18b39864c478ca8d947a0b08e48965402477064b4c6975831f18b141d2a1d21f
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SHA512
c69b31c6d74dbd6342e857a2411c96af670022831ce48000385ec05a07f9465e24878eeefbdd6f26f7f9ef34a6b2e8501523151a38f63dc51294e7f280bdaf0f
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SSDEEP
6144:+loZM+rIkd8g+EtXHkv/iD4nAaBJX8QfF+nJUg1vbb8e1mUMi:ooZtL+EP8nAaBJX8QfF+nJUg1XFF
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/3032-1-0x00000000000F0000-0x0000000000130000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 3032 Umbral.exe Token: SeIncreaseQuotaPrivilege 2588 wmic.exe Token: SeSecurityPrivilege 2588 wmic.exe Token: SeTakeOwnershipPrivilege 2588 wmic.exe Token: SeLoadDriverPrivilege 2588 wmic.exe Token: SeSystemProfilePrivilege 2588 wmic.exe Token: SeSystemtimePrivilege 2588 wmic.exe Token: SeProfSingleProcessPrivilege 2588 wmic.exe Token: SeIncBasePriorityPrivilege 2588 wmic.exe Token: SeCreatePagefilePrivilege 2588 wmic.exe Token: SeBackupPrivilege 2588 wmic.exe Token: SeRestorePrivilege 2588 wmic.exe Token: SeShutdownPrivilege 2588 wmic.exe Token: SeDebugPrivilege 2588 wmic.exe Token: SeSystemEnvironmentPrivilege 2588 wmic.exe Token: SeRemoteShutdownPrivilege 2588 wmic.exe Token: SeUndockPrivilege 2588 wmic.exe Token: SeManageVolumePrivilege 2588 wmic.exe Token: 33 2588 wmic.exe Token: 34 2588 wmic.exe Token: 35 2588 wmic.exe Token: SeIncreaseQuotaPrivilege 2588 wmic.exe Token: SeSecurityPrivilege 2588 wmic.exe Token: SeTakeOwnershipPrivilege 2588 wmic.exe Token: SeLoadDriverPrivilege 2588 wmic.exe Token: SeSystemProfilePrivilege 2588 wmic.exe Token: SeSystemtimePrivilege 2588 wmic.exe Token: SeProfSingleProcessPrivilege 2588 wmic.exe Token: SeIncBasePriorityPrivilege 2588 wmic.exe Token: SeCreatePagefilePrivilege 2588 wmic.exe Token: SeBackupPrivilege 2588 wmic.exe Token: SeRestorePrivilege 2588 wmic.exe Token: SeShutdownPrivilege 2588 wmic.exe Token: SeDebugPrivilege 2588 wmic.exe Token: SeSystemEnvironmentPrivilege 2588 wmic.exe Token: SeRemoteShutdownPrivilege 2588 wmic.exe Token: SeUndockPrivilege 2588 wmic.exe Token: SeManageVolumePrivilege 2588 wmic.exe Token: 33 2588 wmic.exe Token: 34 2588 wmic.exe Token: 35 2588 wmic.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3032 wrote to memory of 2588 3032 Umbral.exe 28 PID 3032 wrote to memory of 2588 3032 Umbral.exe 28 PID 3032 wrote to memory of 2588 3032 Umbral.exe 28