Analysis
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max time kernel
138s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2024 19:50
Behavioral task
behavioral1
Sample
Umbral.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
5 signatures
150 seconds
General
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Target
Umbral.exe
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Size
231KB
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MD5
2a34868cee558d4409d8fc0ba7739862
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SHA1
ce4ff55f6ff82fec5828fb46216b9932541c03f6
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SHA256
e8857644b82de029a1405a44af687c1fe56b84321dfafa46ebeaefde2c6cc6d2
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SHA512
bb2b020fbb87ffe5f97382aacc3350517c7a65344f84ac06b3323e3590dc0a210eebdddd3bc3c74a099217488f0d836a1ffcb80fa23f60937b916429c7d383ab
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SSDEEP
6144:RloZM+rIkd8g+EtXHkv/iD4jHwtxds8e1mCi:joZtL+EP8rAx0U
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/2412-1-0x00000176E1E30000-0x00000176E1E70000-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 8 ip-api.com -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 2412 Umbral.exe Token: SeIncreaseQuotaPrivilege 3708 wmic.exe Token: SeSecurityPrivilege 3708 wmic.exe Token: SeTakeOwnershipPrivilege 3708 wmic.exe Token: SeLoadDriverPrivilege 3708 wmic.exe Token: SeSystemProfilePrivilege 3708 wmic.exe Token: SeSystemtimePrivilege 3708 wmic.exe Token: SeProfSingleProcessPrivilege 3708 wmic.exe Token: SeIncBasePriorityPrivilege 3708 wmic.exe Token: SeCreatePagefilePrivilege 3708 wmic.exe Token: SeBackupPrivilege 3708 wmic.exe Token: SeRestorePrivilege 3708 wmic.exe Token: SeShutdownPrivilege 3708 wmic.exe Token: SeDebugPrivilege 3708 wmic.exe Token: SeSystemEnvironmentPrivilege 3708 wmic.exe Token: SeRemoteShutdownPrivilege 3708 wmic.exe Token: SeUndockPrivilege 3708 wmic.exe Token: SeManageVolumePrivilege 3708 wmic.exe Token: 33 3708 wmic.exe Token: 34 3708 wmic.exe Token: 35 3708 wmic.exe Token: 36 3708 wmic.exe Token: SeIncreaseQuotaPrivilege 3708 wmic.exe Token: SeSecurityPrivilege 3708 wmic.exe Token: SeTakeOwnershipPrivilege 3708 wmic.exe Token: SeLoadDriverPrivilege 3708 wmic.exe Token: SeSystemProfilePrivilege 3708 wmic.exe Token: SeSystemtimePrivilege 3708 wmic.exe Token: SeProfSingleProcessPrivilege 3708 wmic.exe Token: SeIncBasePriorityPrivilege 3708 wmic.exe Token: SeCreatePagefilePrivilege 3708 wmic.exe Token: SeBackupPrivilege 3708 wmic.exe Token: SeRestorePrivilege 3708 wmic.exe Token: SeShutdownPrivilege 3708 wmic.exe Token: SeDebugPrivilege 3708 wmic.exe Token: SeSystemEnvironmentPrivilege 3708 wmic.exe Token: SeRemoteShutdownPrivilege 3708 wmic.exe Token: SeUndockPrivilege 3708 wmic.exe Token: SeManageVolumePrivilege 3708 wmic.exe Token: 33 3708 wmic.exe Token: 34 3708 wmic.exe Token: 35 3708 wmic.exe Token: 36 3708 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2412 wrote to memory of 3708 2412 Umbral.exe 85 PID 2412 wrote to memory of 3708 2412 Umbral.exe 85