Analysis
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max time kernel
153s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 13:01
Behavioral task
behavioral1
Sample
Umbral.exe
Resource
win7-20230831-en
windows7-x64
4 signatures
150 seconds
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 behavioral2/memory/3252-0-0x000001AA849F0000-0x000001AA84A30000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 3252 Umbral.exe Token: SeIncreaseQuotaPrivilege 3944 wmic.exe Token: SeSecurityPrivilege 3944 wmic.exe Token: SeTakeOwnershipPrivilege 3944 wmic.exe Token: SeLoadDriverPrivilege 3944 wmic.exe Token: SeSystemProfilePrivilege 3944 wmic.exe Token: SeSystemtimePrivilege 3944 wmic.exe Token: SeProfSingleProcessPrivilege 3944 wmic.exe Token: SeIncBasePriorityPrivilege 3944 wmic.exe Token: SeCreatePagefilePrivilege 3944 wmic.exe Token: SeBackupPrivilege 3944 wmic.exe Token: SeRestorePrivilege 3944 wmic.exe Token: SeShutdownPrivilege 3944 wmic.exe Token: SeDebugPrivilege 3944 wmic.exe Token: SeSystemEnvironmentPrivilege 3944 wmic.exe Token: SeRemoteShutdownPrivilege 3944 wmic.exe Token: SeUndockPrivilege 3944 wmic.exe Token: SeManageVolumePrivilege 3944 wmic.exe Token: 33 3944 wmic.exe Token: 34 3944 wmic.exe Token: 35 3944 wmic.exe Token: 36 3944 wmic.exe Token: SeIncreaseQuotaPrivilege 3944 wmic.exe Token: SeSecurityPrivilege 3944 wmic.exe Token: SeTakeOwnershipPrivilege 3944 wmic.exe Token: SeLoadDriverPrivilege 3944 wmic.exe Token: SeSystemProfilePrivilege 3944 wmic.exe Token: SeSystemtimePrivilege 3944 wmic.exe Token: SeProfSingleProcessPrivilege 3944 wmic.exe Token: SeIncBasePriorityPrivilege 3944 wmic.exe Token: SeCreatePagefilePrivilege 3944 wmic.exe Token: SeBackupPrivilege 3944 wmic.exe Token: SeRestorePrivilege 3944 wmic.exe Token: SeShutdownPrivilege 3944 wmic.exe Token: SeDebugPrivilege 3944 wmic.exe Token: SeSystemEnvironmentPrivilege 3944 wmic.exe Token: SeRemoteShutdownPrivilege 3944 wmic.exe Token: SeUndockPrivilege 3944 wmic.exe Token: SeManageVolumePrivilege 3944 wmic.exe Token: 33 3944 wmic.exe Token: 34 3944 wmic.exe Token: 35 3944 wmic.exe Token: 36 3944 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3252 wrote to memory of 3944 3252 Umbral.exe 86 PID 3252 wrote to memory of 3944 3252 Umbral.exe 86