Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-10-2024 15:55
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 behavioral1/memory/2268-1-0x0000000000C10000-0x0000000000C50000-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 6 ip-api.com -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 2268 cmclient.exe Token: SeIncreaseQuotaPrivilege 2940 wmic.exe Token: SeSecurityPrivilege 2940 wmic.exe Token: SeTakeOwnershipPrivilege 2940 wmic.exe Token: SeLoadDriverPrivilege 2940 wmic.exe Token: SeSystemProfilePrivilege 2940 wmic.exe Token: SeSystemtimePrivilege 2940 wmic.exe Token: SeProfSingleProcessPrivilege 2940 wmic.exe Token: SeIncBasePriorityPrivilege 2940 wmic.exe Token: SeCreatePagefilePrivilege 2940 wmic.exe Token: SeBackupPrivilege 2940 wmic.exe Token: SeRestorePrivilege 2940 wmic.exe Token: SeShutdownPrivilege 2940 wmic.exe Token: SeDebugPrivilege 2940 wmic.exe Token: SeSystemEnvironmentPrivilege 2940 wmic.exe Token: SeRemoteShutdownPrivilege 2940 wmic.exe Token: SeUndockPrivilege 2940 wmic.exe Token: SeManageVolumePrivilege 2940 wmic.exe Token: 33 2940 wmic.exe Token: 34 2940 wmic.exe Token: 35 2940 wmic.exe Token: SeIncreaseQuotaPrivilege 2940 wmic.exe Token: SeSecurityPrivilege 2940 wmic.exe Token: SeTakeOwnershipPrivilege 2940 wmic.exe Token: SeLoadDriverPrivilege 2940 wmic.exe Token: SeSystemProfilePrivilege 2940 wmic.exe Token: SeSystemtimePrivilege 2940 wmic.exe Token: SeProfSingleProcessPrivilege 2940 wmic.exe Token: SeIncBasePriorityPrivilege 2940 wmic.exe Token: SeCreatePagefilePrivilege 2940 wmic.exe Token: SeBackupPrivilege 2940 wmic.exe Token: SeRestorePrivilege 2940 wmic.exe Token: SeShutdownPrivilege 2940 wmic.exe Token: SeDebugPrivilege 2940 wmic.exe Token: SeSystemEnvironmentPrivilege 2940 wmic.exe Token: SeRemoteShutdownPrivilege 2940 wmic.exe Token: SeUndockPrivilege 2940 wmic.exe Token: SeManageVolumePrivilege 2940 wmic.exe Token: 33 2940 wmic.exe Token: 34 2940 wmic.exe Token: 35 2940 wmic.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2268 wrote to memory of 2940 2268 cmclient.exe 30 PID 2268 wrote to memory of 2940 2268 cmclient.exe 30 PID 2268 wrote to memory of 2940 2268 cmclient.exe 30