Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
12-02-2025 00:05
Behavioral task
behavioral1
Sample
Umbral.exe
Resource
win7-20241023-en
windows7-x64
6 signatures
150 seconds
General
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Target
Umbral.exe
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Size
229KB
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MD5
fd99541be9d7e3690c02aacc9b25fb64
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SHA1
d1031c9cfde65a08f2682727dab72fd0373bbaa7
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SHA256
d9f33d5d2633fbb0038ee965a140a7a26e2f28b10aee8b3ea0e729452128d19c
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SHA512
d2a8cb3d82874475ee955831e952834b4626ed0a0931f76ee38a910295aacb39e4e6da60598df1335e840685ece7d8394e3b64272f5172ceecd78d257b944245
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SSDEEP
6144:9loZM+rIkd8g+EtXHkv/iD4DMw2KInDAPZMK7bCR9b8e1mogi:foZtL+EP8DMw2KInDAPZMK7bCnz5
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/2848-1-0x0000000000CE0000-0x0000000000D20000-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 7 ip-api.com -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 2848 Umbral.exe Token: SeIncreaseQuotaPrivilege 2176 wmic.exe Token: SeSecurityPrivilege 2176 wmic.exe Token: SeTakeOwnershipPrivilege 2176 wmic.exe Token: SeLoadDriverPrivilege 2176 wmic.exe Token: SeSystemProfilePrivilege 2176 wmic.exe Token: SeSystemtimePrivilege 2176 wmic.exe Token: SeProfSingleProcessPrivilege 2176 wmic.exe Token: SeIncBasePriorityPrivilege 2176 wmic.exe Token: SeCreatePagefilePrivilege 2176 wmic.exe Token: SeBackupPrivilege 2176 wmic.exe Token: SeRestorePrivilege 2176 wmic.exe Token: SeShutdownPrivilege 2176 wmic.exe Token: SeDebugPrivilege 2176 wmic.exe Token: SeSystemEnvironmentPrivilege 2176 wmic.exe Token: SeRemoteShutdownPrivilege 2176 wmic.exe Token: SeUndockPrivilege 2176 wmic.exe Token: SeManageVolumePrivilege 2176 wmic.exe Token: 33 2176 wmic.exe Token: 34 2176 wmic.exe Token: 35 2176 wmic.exe Token: SeIncreaseQuotaPrivilege 2176 wmic.exe Token: SeSecurityPrivilege 2176 wmic.exe Token: SeTakeOwnershipPrivilege 2176 wmic.exe Token: SeLoadDriverPrivilege 2176 wmic.exe Token: SeSystemProfilePrivilege 2176 wmic.exe Token: SeSystemtimePrivilege 2176 wmic.exe Token: SeProfSingleProcessPrivilege 2176 wmic.exe Token: SeIncBasePriorityPrivilege 2176 wmic.exe Token: SeCreatePagefilePrivilege 2176 wmic.exe Token: SeBackupPrivilege 2176 wmic.exe Token: SeRestorePrivilege 2176 wmic.exe Token: SeShutdownPrivilege 2176 wmic.exe Token: SeDebugPrivilege 2176 wmic.exe Token: SeSystemEnvironmentPrivilege 2176 wmic.exe Token: SeRemoteShutdownPrivilege 2176 wmic.exe Token: SeUndockPrivilege 2176 wmic.exe Token: SeManageVolumePrivilege 2176 wmic.exe Token: 33 2176 wmic.exe Token: 34 2176 wmic.exe Token: 35 2176 wmic.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2848 wrote to memory of 2176 2848 Umbral.exe 31 PID 2848 wrote to memory of 2176 2848 Umbral.exe 31 PID 2848 wrote to memory of 2176 2848 Umbral.exe 31