Analysis
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max time kernel
36s -
max time network
18s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
01-10-2024 13:28
General
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Target
Umbral.exe
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Size
232KB
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MD5
37974e87e6ab2f57a45f6a59f774d5a0
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SHA1
af8b0ce0a30c70f23ec081cc9c713f200c931241
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SHA256
d49509d2f27099e6884319fc50b7cecd8cf837ef1af03d9516a558e54bc7b8e8
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SHA512
1f17d68a77894f28ab09fbec5d9f499425523512de19b81829dda7b613ddd7a2fadc937ed3933f28048a45cc678a79813ad0e767f6585f60286fd45db44f6344
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SSDEEP
6144:IloZM+rIkd8g+EtXHkv/iD47xX5kuMzvE5lwOffumn/x0i8e1mi5i:WoZtL+EP8795kuMzvE5lwOffumnrpg
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/3376-1-0x000001B2C78A0000-0x000001B2C78E0000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 3376 Umbral.exe Token: SeIncreaseQuotaPrivilege 4276 wmic.exe Token: SeSecurityPrivilege 4276 wmic.exe Token: SeTakeOwnershipPrivilege 4276 wmic.exe Token: SeLoadDriverPrivilege 4276 wmic.exe Token: SeSystemProfilePrivilege 4276 wmic.exe Token: SeSystemtimePrivilege 4276 wmic.exe Token: SeProfSingleProcessPrivilege 4276 wmic.exe Token: SeIncBasePriorityPrivilege 4276 wmic.exe Token: SeCreatePagefilePrivilege 4276 wmic.exe Token: SeBackupPrivilege 4276 wmic.exe Token: SeRestorePrivilege 4276 wmic.exe Token: SeShutdownPrivilege 4276 wmic.exe Token: SeDebugPrivilege 4276 wmic.exe Token: SeSystemEnvironmentPrivilege 4276 wmic.exe Token: SeRemoteShutdownPrivilege 4276 wmic.exe Token: SeUndockPrivilege 4276 wmic.exe Token: SeManageVolumePrivilege 4276 wmic.exe Token: 33 4276 wmic.exe Token: 34 4276 wmic.exe Token: 35 4276 wmic.exe Token: 36 4276 wmic.exe Token: SeIncreaseQuotaPrivilege 4276 wmic.exe Token: SeSecurityPrivilege 4276 wmic.exe Token: SeTakeOwnershipPrivilege 4276 wmic.exe Token: SeLoadDriverPrivilege 4276 wmic.exe Token: SeSystemProfilePrivilege 4276 wmic.exe Token: SeSystemtimePrivilege 4276 wmic.exe Token: SeProfSingleProcessPrivilege 4276 wmic.exe Token: SeIncBasePriorityPrivilege 4276 wmic.exe Token: SeCreatePagefilePrivilege 4276 wmic.exe Token: SeBackupPrivilege 4276 wmic.exe Token: SeRestorePrivilege 4276 wmic.exe Token: SeShutdownPrivilege 4276 wmic.exe Token: SeDebugPrivilege 4276 wmic.exe Token: SeSystemEnvironmentPrivilege 4276 wmic.exe Token: SeRemoteShutdownPrivilege 4276 wmic.exe Token: SeUndockPrivilege 4276 wmic.exe Token: SeManageVolumePrivilege 4276 wmic.exe Token: 33 4276 wmic.exe Token: 34 4276 wmic.exe Token: 35 4276 wmic.exe Token: 36 4276 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3376 wrote to memory of 4276 3376 Umbral.exe 73 PID 3376 wrote to memory of 4276 3376 Umbral.exe 73