Analysis
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max time kernel
16s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
30-06-2024 07:30
Behavioral task
behavioral1
Sample
Umbral.exe
Resource
win7-20240220-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
9373f372b640980c2c21635ea1d0e198
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SHA1
4a839ba396c68479c9b78cbfd1ea9005c9c1840e
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SHA256
1d4614f2beab6bab69464e7cf41e34db255e42a9b8d754d598faa0b9ec4d7b99
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SHA512
9a6db6f4a87666e9789273027217d9656257917f530b36c60f9e026bbc9ef2229f66718b6365d0691ec254e153a537bfa1c577f7df4d588218b3c110ffbd46d8
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SSDEEP
6144:+loZM+rIkd8g+EtXHkv/iD4SRLvW0b3c5NImHHm9cb8e1m6i:ooZtL+EP8SRLvW0b3c5NImHHmec
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/2604-1-0x0000000000180000-0x00000000001C0000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 2604 Umbral.exe Token: SeIncreaseQuotaPrivilege 2672 wmic.exe Token: SeSecurityPrivilege 2672 wmic.exe Token: SeTakeOwnershipPrivilege 2672 wmic.exe Token: SeLoadDriverPrivilege 2672 wmic.exe Token: SeSystemProfilePrivilege 2672 wmic.exe Token: SeSystemtimePrivilege 2672 wmic.exe Token: SeProfSingleProcessPrivilege 2672 wmic.exe Token: SeIncBasePriorityPrivilege 2672 wmic.exe Token: SeCreatePagefilePrivilege 2672 wmic.exe Token: SeBackupPrivilege 2672 wmic.exe Token: SeRestorePrivilege 2672 wmic.exe Token: SeShutdownPrivilege 2672 wmic.exe Token: SeDebugPrivilege 2672 wmic.exe Token: SeSystemEnvironmentPrivilege 2672 wmic.exe Token: SeRemoteShutdownPrivilege 2672 wmic.exe Token: SeUndockPrivilege 2672 wmic.exe Token: SeManageVolumePrivilege 2672 wmic.exe Token: 33 2672 wmic.exe Token: 34 2672 wmic.exe Token: 35 2672 wmic.exe Token: SeIncreaseQuotaPrivilege 2672 wmic.exe Token: SeSecurityPrivilege 2672 wmic.exe Token: SeTakeOwnershipPrivilege 2672 wmic.exe Token: SeLoadDriverPrivilege 2672 wmic.exe Token: SeSystemProfilePrivilege 2672 wmic.exe Token: SeSystemtimePrivilege 2672 wmic.exe Token: SeProfSingleProcessPrivilege 2672 wmic.exe Token: SeIncBasePriorityPrivilege 2672 wmic.exe Token: SeCreatePagefilePrivilege 2672 wmic.exe Token: SeBackupPrivilege 2672 wmic.exe Token: SeRestorePrivilege 2672 wmic.exe Token: SeShutdownPrivilege 2672 wmic.exe Token: SeDebugPrivilege 2672 wmic.exe Token: SeSystemEnvironmentPrivilege 2672 wmic.exe Token: SeRemoteShutdownPrivilege 2672 wmic.exe Token: SeUndockPrivilege 2672 wmic.exe Token: SeManageVolumePrivilege 2672 wmic.exe Token: 33 2672 wmic.exe Token: 34 2672 wmic.exe Token: 35 2672 wmic.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2604 wrote to memory of 2672 2604 Umbral.exe 28 PID 2604 wrote to memory of 2672 2604 Umbral.exe 28 PID 2604 wrote to memory of 2672 2604 Umbral.exe 28