Analysis
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max time kernel
94s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
21-02-2025 14:14
Behavioral task
behavioral1
Sample
2720-108-0x0000000000810000-0x0000000000BB6000-memory.exe
Resource
win7-20240903-en
windows7-x64
6 signatures
150 seconds
General
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Target
2720-108-0x0000000000810000-0x0000000000BB6000-memory.exe
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Size
3.6MB
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MD5
4de9b1a267f2d657eb204fc996293cdb
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SHA1
70216acc66c0a6f4d79a2238137223eebcc4979f
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SHA256
c85d06f1b43bef037664498eb6573214a314cacb174d1e97a9482410bc62376f
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SHA512
b4918d5687315f04ea2e20762f47c957d15f77ae2675c2c0114e055fab4be2ef23151f8dee3e943fce550b580d29aade2d15d405b3796014a6f1d1721b25caff
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SSDEEP
49152:ePWbhwss+52eagTpIR5QFP0rdKWW9DE5Tl+qKlLdSh:eP2hsv94I08MWW9DShKlLUh
Malware Config
Extracted
Family
umbral
C2
https://discord.com/api/webhooks/1339207974182191194/Cbspp1D1YgKvkqPsxxLAOiahYoeW0ceIteSYlYtjG202TSZnR-Kj6vR7I8pJsgFtUunb
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/4444-1-0x0000020859950000-0x0000020859CF6000-memory.dmp family_umbral -
Umbral family
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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 4 ip-api.com -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4444 2720-108-0x0000000000810000-0x0000000000BB6000-memory.exe Token: SeIncreaseQuotaPrivilege 4404 wmic.exe Token: SeSecurityPrivilege 4404 wmic.exe Token: SeTakeOwnershipPrivilege 4404 wmic.exe Token: SeLoadDriverPrivilege 4404 wmic.exe Token: SeSystemProfilePrivilege 4404 wmic.exe Token: SeSystemtimePrivilege 4404 wmic.exe Token: SeProfSingleProcessPrivilege 4404 wmic.exe Token: SeIncBasePriorityPrivilege 4404 wmic.exe Token: SeCreatePagefilePrivilege 4404 wmic.exe Token: SeBackupPrivilege 4404 wmic.exe Token: SeRestorePrivilege 4404 wmic.exe Token: SeShutdownPrivilege 4404 wmic.exe Token: SeDebugPrivilege 4404 wmic.exe Token: SeSystemEnvironmentPrivilege 4404 wmic.exe Token: SeRemoteShutdownPrivilege 4404 wmic.exe Token: SeUndockPrivilege 4404 wmic.exe Token: SeManageVolumePrivilege 4404 wmic.exe Token: 33 4404 wmic.exe Token: 34 4404 wmic.exe Token: 35 4404 wmic.exe Token: 36 4404 wmic.exe Token: SeIncreaseQuotaPrivilege 4404 wmic.exe Token: SeSecurityPrivilege 4404 wmic.exe Token: SeTakeOwnershipPrivilege 4404 wmic.exe Token: SeLoadDriverPrivilege 4404 wmic.exe Token: SeSystemProfilePrivilege 4404 wmic.exe Token: SeSystemtimePrivilege 4404 wmic.exe Token: SeProfSingleProcessPrivilege 4404 wmic.exe Token: SeIncBasePriorityPrivilege 4404 wmic.exe Token: SeCreatePagefilePrivilege 4404 wmic.exe Token: SeBackupPrivilege 4404 wmic.exe Token: SeRestorePrivilege 4404 wmic.exe Token: SeShutdownPrivilege 4404 wmic.exe Token: SeDebugPrivilege 4404 wmic.exe Token: SeSystemEnvironmentPrivilege 4404 wmic.exe Token: SeRemoteShutdownPrivilege 4404 wmic.exe Token: SeUndockPrivilege 4404 wmic.exe Token: SeManageVolumePrivilege 4404 wmic.exe Token: 33 4404 wmic.exe Token: 34 4404 wmic.exe Token: 35 4404 wmic.exe Token: 36 4404 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4444 wrote to memory of 4404 4444 2720-108-0x0000000000810000-0x0000000000BB6000-memory.exe 86 PID 4444 wrote to memory of 4404 4444 2720-108-0x0000000000810000-0x0000000000BB6000-memory.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2720-108-0x0000000000810000-0x0000000000BB6000-memory.exe"C:\Users\Admin\AppData\Local\Temp\2720-108-0x0000000000810000-0x0000000000BB6000-memory.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4404
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