Analysis
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max time kernel
239s -
max time network
242s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2023 21:56
General
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Target
Umbral.exe
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Size
231KB
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MD5
910a5896b1488769e91e985b0dbba73f
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SHA1
2416ce9e4e5b8843520acc93b4ac4a157a29b261
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SHA256
60edfe75e435ed4ce8c42bad52ba9986c1d5bb3359fad93da6987e2131124888
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SHA512
bcc0fc3c9b6fd8eacfa62b83053e2637a8ec61520ce72795317f2719136f1883ad4b5cbd386a7c71064ae55958cadc7b03055dfefe2511b2b78843c32d18ee83
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SSDEEP
6144:RloZM+rIkd8g+EtXHkv/iD4uzBdCg/7IiR0STTKBoXb8e1mJi:joZtL+EP8uzBdCg/7IiR0STTKgf
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/3056-0-0x000001D819840000-0x000001D819880000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 3056 Umbral.exe Token: SeIncreaseQuotaPrivilege 876 wmic.exe Token: SeSecurityPrivilege 876 wmic.exe Token: SeTakeOwnershipPrivilege 876 wmic.exe Token: SeLoadDriverPrivilege 876 wmic.exe Token: SeSystemProfilePrivilege 876 wmic.exe Token: SeSystemtimePrivilege 876 wmic.exe Token: SeProfSingleProcessPrivilege 876 wmic.exe Token: SeIncBasePriorityPrivilege 876 wmic.exe Token: SeCreatePagefilePrivilege 876 wmic.exe Token: SeBackupPrivilege 876 wmic.exe Token: SeRestorePrivilege 876 wmic.exe Token: SeShutdownPrivilege 876 wmic.exe Token: SeDebugPrivilege 876 wmic.exe Token: SeSystemEnvironmentPrivilege 876 wmic.exe Token: SeRemoteShutdownPrivilege 876 wmic.exe Token: SeUndockPrivilege 876 wmic.exe Token: SeManageVolumePrivilege 876 wmic.exe Token: 33 876 wmic.exe Token: 34 876 wmic.exe Token: 35 876 wmic.exe Token: 36 876 wmic.exe Token: SeIncreaseQuotaPrivilege 876 wmic.exe Token: SeSecurityPrivilege 876 wmic.exe Token: SeTakeOwnershipPrivilege 876 wmic.exe Token: SeLoadDriverPrivilege 876 wmic.exe Token: SeSystemProfilePrivilege 876 wmic.exe Token: SeSystemtimePrivilege 876 wmic.exe Token: SeProfSingleProcessPrivilege 876 wmic.exe Token: SeIncBasePriorityPrivilege 876 wmic.exe Token: SeCreatePagefilePrivilege 876 wmic.exe Token: SeBackupPrivilege 876 wmic.exe Token: SeRestorePrivilege 876 wmic.exe Token: SeShutdownPrivilege 876 wmic.exe Token: SeDebugPrivilege 876 wmic.exe Token: SeSystemEnvironmentPrivilege 876 wmic.exe Token: SeRemoteShutdownPrivilege 876 wmic.exe Token: SeUndockPrivilege 876 wmic.exe Token: SeManageVolumePrivilege 876 wmic.exe Token: 33 876 wmic.exe Token: 34 876 wmic.exe Token: 35 876 wmic.exe Token: 36 876 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3056 wrote to memory of 876 3056 Umbral.exe 85 PID 3056 wrote to memory of 876 3056 Umbral.exe 85