Analysis
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max time kernel
134s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2024 16:05
Behavioral task
behavioral1
Sample
cmclient.exe
Resource
win7-20240903-en
windows7-x64
5 signatures
150 seconds
General
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Target
cmclient.exe
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Size
227KB
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MD5
2ff5eea0426612b967301396523c9835
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SHA1
af092e6d35d0c0c09d07102fb7e4416459b3d056
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SHA256
d36f3b379bcafb2f206a5dc18297c0c0fa0fa6afb44f7640da54cd809051b24c
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SHA512
d442d98abd61aa7f551e3309028e303c4390ab54bb94149d8bf0022b7faab1d70e40c66875f8d997e2203964dc8213084d50b108e088af5b433dce2c225f7a3c
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SSDEEP
6144:+loZM+rIkd8g+EtXHkv/iD46NdMiAfbokxUyzzqZYw8e1m9Qi:ooZtL+EP86NdMiAfbokxUyzzqfWJ
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/1164-1-0x000001C73DDA0000-0x000001C73DDE0000-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 1164 cmclient.exe Token: SeIncreaseQuotaPrivilege 348 wmic.exe Token: SeSecurityPrivilege 348 wmic.exe Token: SeTakeOwnershipPrivilege 348 wmic.exe Token: SeLoadDriverPrivilege 348 wmic.exe Token: SeSystemProfilePrivilege 348 wmic.exe Token: SeSystemtimePrivilege 348 wmic.exe Token: SeProfSingleProcessPrivilege 348 wmic.exe Token: SeIncBasePriorityPrivilege 348 wmic.exe Token: SeCreatePagefilePrivilege 348 wmic.exe Token: SeBackupPrivilege 348 wmic.exe Token: SeRestorePrivilege 348 wmic.exe Token: SeShutdownPrivilege 348 wmic.exe Token: SeDebugPrivilege 348 wmic.exe Token: SeSystemEnvironmentPrivilege 348 wmic.exe Token: SeRemoteShutdownPrivilege 348 wmic.exe Token: SeUndockPrivilege 348 wmic.exe Token: SeManageVolumePrivilege 348 wmic.exe Token: 33 348 wmic.exe Token: 34 348 wmic.exe Token: 35 348 wmic.exe Token: 36 348 wmic.exe Token: SeIncreaseQuotaPrivilege 348 wmic.exe Token: SeSecurityPrivilege 348 wmic.exe Token: SeTakeOwnershipPrivilege 348 wmic.exe Token: SeLoadDriverPrivilege 348 wmic.exe Token: SeSystemProfilePrivilege 348 wmic.exe Token: SeSystemtimePrivilege 348 wmic.exe Token: SeProfSingleProcessPrivilege 348 wmic.exe Token: SeIncBasePriorityPrivilege 348 wmic.exe Token: SeCreatePagefilePrivilege 348 wmic.exe Token: SeBackupPrivilege 348 wmic.exe Token: SeRestorePrivilege 348 wmic.exe Token: SeShutdownPrivilege 348 wmic.exe Token: SeDebugPrivilege 348 wmic.exe Token: SeSystemEnvironmentPrivilege 348 wmic.exe Token: SeRemoteShutdownPrivilege 348 wmic.exe Token: SeUndockPrivilege 348 wmic.exe Token: SeManageVolumePrivilege 348 wmic.exe Token: 33 348 wmic.exe Token: 34 348 wmic.exe Token: 35 348 wmic.exe Token: 36 348 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1164 wrote to memory of 348 1164 cmclient.exe 84 PID 1164 wrote to memory of 348 1164 cmclient.exe 84