Analysis
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max time kernel
95s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 21:00
Behavioral task
behavioral1
Sample
31c061c83666b251d96b66caf93b422948e3dfad205d1843dacfbd4ef8a21936.exe
Resource
win7-20241023-en
windows7-x64
6 signatures
150 seconds
General
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Target
31c061c83666b251d96b66caf93b422948e3dfad205d1843dacfbd4ef8a21936.exe
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Size
235KB
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MD5
87dd9769f8dac6c5c8f6fb8cd36ba1db
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SHA1
7cb356796d88dfa8e6a64b5fbcdd98ae6766a736
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SHA256
31c061c83666b251d96b66caf93b422948e3dfad205d1843dacfbd4ef8a21936
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SHA512
e14aad1acaea634a10c85137a6a5dd67de43837286474aa37088149e92c0c7090716e62414a8b212632d64e9d9a6bc5c070635ea935d7acd351b3ac1653f48a4
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SSDEEP
6144:TloZM+rIkd8g+EtXHkv/iD4P4x+NbYMTiqL9Y0he/b8e1msi:RoZtL+EP8P4x+NbYMTiqL9Y0hom
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/1556-1-0x000001C87C230000-0x000001C87C270000-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 16 ip-api.com -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 1556 31c061c83666b251d96b66caf93b422948e3dfad205d1843dacfbd4ef8a21936.exe Token: SeIncreaseQuotaPrivilege 8 wmic.exe Token: SeSecurityPrivilege 8 wmic.exe Token: SeTakeOwnershipPrivilege 8 wmic.exe Token: SeLoadDriverPrivilege 8 wmic.exe Token: SeSystemProfilePrivilege 8 wmic.exe Token: SeSystemtimePrivilege 8 wmic.exe Token: SeProfSingleProcessPrivilege 8 wmic.exe Token: SeIncBasePriorityPrivilege 8 wmic.exe Token: SeCreatePagefilePrivilege 8 wmic.exe Token: SeBackupPrivilege 8 wmic.exe Token: SeRestorePrivilege 8 wmic.exe Token: SeShutdownPrivilege 8 wmic.exe Token: SeDebugPrivilege 8 wmic.exe Token: SeSystemEnvironmentPrivilege 8 wmic.exe Token: SeRemoteShutdownPrivilege 8 wmic.exe Token: SeUndockPrivilege 8 wmic.exe Token: SeManageVolumePrivilege 8 wmic.exe Token: 33 8 wmic.exe Token: 34 8 wmic.exe Token: 35 8 wmic.exe Token: 36 8 wmic.exe Token: SeIncreaseQuotaPrivilege 8 wmic.exe Token: SeSecurityPrivilege 8 wmic.exe Token: SeTakeOwnershipPrivilege 8 wmic.exe Token: SeLoadDriverPrivilege 8 wmic.exe Token: SeSystemProfilePrivilege 8 wmic.exe Token: SeSystemtimePrivilege 8 wmic.exe Token: SeProfSingleProcessPrivilege 8 wmic.exe Token: SeIncBasePriorityPrivilege 8 wmic.exe Token: SeCreatePagefilePrivilege 8 wmic.exe Token: SeBackupPrivilege 8 wmic.exe Token: SeRestorePrivilege 8 wmic.exe Token: SeShutdownPrivilege 8 wmic.exe Token: SeDebugPrivilege 8 wmic.exe Token: SeSystemEnvironmentPrivilege 8 wmic.exe Token: SeRemoteShutdownPrivilege 8 wmic.exe Token: SeUndockPrivilege 8 wmic.exe Token: SeManageVolumePrivilege 8 wmic.exe Token: 33 8 wmic.exe Token: 34 8 wmic.exe Token: 35 8 wmic.exe Token: 36 8 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1556 wrote to memory of 8 1556 31c061c83666b251d96b66caf93b422948e3dfad205d1843dacfbd4ef8a21936.exe 87 PID 1556 wrote to memory of 8 1556 31c061c83666b251d96b66caf93b422948e3dfad205d1843dacfbd4ef8a21936.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\31c061c83666b251d96b66caf93b422948e3dfad205d1843dacfbd4ef8a21936.exe"C:\Users\Admin\AppData\Local\Temp\31c061c83666b251d96b66caf93b422948e3dfad205d1843dacfbd4ef8a21936.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:8
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