Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-10-2024 05:25
Behavioral task
behavioral1
Sample
Umbra1.exe
Resource
win7-20240903-en
windows7-x64
5 signatures
150 seconds
General
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Target
Umbra1.exe
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Size
227KB
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MD5
e05f912c51e4a9928935a2738eab71fb
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SHA1
d200445ad98692386f1980466139533e8e63903c
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SHA256
f1957d71c46891f4531175340ff6d01cfab6ec22f17bec699bfa0c803c0964dc
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SHA512
35bb91dd64598ddf2c839097b398c1aa685b82abf60781fc1684d26490c096c3adc3f6cfa4f56be4d2a5aa6ac987acd369626072735d0e16185f55dfc53163e7
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SSDEEP
6144:eloZM+rIkd8g+EtXHkv/iD4A0CoNbYMTUqL9Y0hIVb8e1m7i:IoZtL+EP8A0CoNbYMTUqL9Y0hYx
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/4904-1-0x0000024D8BA30000-0x0000024D8BA70000-memory.dmp family_umbral -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 9 ip-api.com -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4904 Umbra1.exe Token: SeIncreaseQuotaPrivilege 4816 wmic.exe Token: SeSecurityPrivilege 4816 wmic.exe Token: SeTakeOwnershipPrivilege 4816 wmic.exe Token: SeLoadDriverPrivilege 4816 wmic.exe Token: SeSystemProfilePrivilege 4816 wmic.exe Token: SeSystemtimePrivilege 4816 wmic.exe Token: SeProfSingleProcessPrivilege 4816 wmic.exe Token: SeIncBasePriorityPrivilege 4816 wmic.exe Token: SeCreatePagefilePrivilege 4816 wmic.exe Token: SeBackupPrivilege 4816 wmic.exe Token: SeRestorePrivilege 4816 wmic.exe Token: SeShutdownPrivilege 4816 wmic.exe Token: SeDebugPrivilege 4816 wmic.exe Token: SeSystemEnvironmentPrivilege 4816 wmic.exe Token: SeRemoteShutdownPrivilege 4816 wmic.exe Token: SeUndockPrivilege 4816 wmic.exe Token: SeManageVolumePrivilege 4816 wmic.exe Token: 33 4816 wmic.exe Token: 34 4816 wmic.exe Token: 35 4816 wmic.exe Token: 36 4816 wmic.exe Token: SeIncreaseQuotaPrivilege 4816 wmic.exe Token: SeSecurityPrivilege 4816 wmic.exe Token: SeTakeOwnershipPrivilege 4816 wmic.exe Token: SeLoadDriverPrivilege 4816 wmic.exe Token: SeSystemProfilePrivilege 4816 wmic.exe Token: SeSystemtimePrivilege 4816 wmic.exe Token: SeProfSingleProcessPrivilege 4816 wmic.exe Token: SeIncBasePriorityPrivilege 4816 wmic.exe Token: SeCreatePagefilePrivilege 4816 wmic.exe Token: SeBackupPrivilege 4816 wmic.exe Token: SeRestorePrivilege 4816 wmic.exe Token: SeShutdownPrivilege 4816 wmic.exe Token: SeDebugPrivilege 4816 wmic.exe Token: SeSystemEnvironmentPrivilege 4816 wmic.exe Token: SeRemoteShutdownPrivilege 4816 wmic.exe Token: SeUndockPrivilege 4816 wmic.exe Token: SeManageVolumePrivilege 4816 wmic.exe Token: 33 4816 wmic.exe Token: 34 4816 wmic.exe Token: 35 4816 wmic.exe Token: 36 4816 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4904 wrote to memory of 4816 4904 Umbra1.exe 85 PID 4904 wrote to memory of 4816 4904 Umbra1.exe 85