Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
13-02-2024 18:26
Behavioral task
behavioral1
Sample
Umbral.exe
Resource
win7-20231215-en
windows7-x64
4 signatures
150 seconds
General
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Target
Umbral.exe
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Size
230KB
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MD5
133b51b989ffb3d42bfe0fa5f07ef542
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SHA1
5a80a0ca68438ad36cb540b8685d09750f98c2d2
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SHA256
da00749bd6a9cf20ee586951616f3bab8fee53535107240ff12123acf181e2e9
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SHA512
39b95bbf585f2b52b27b041d00be5aa791d4586ce16aa9db277d79cdc213e891ca32fa58687f4da9b0c27f0114872e29178e63b9c949860f1bc1def45ec93cf6
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SSDEEP
6144:9loZM+rIkd8g+EtXHkv/iD432++EKtFuMr20VJg17b8e1m4bi:foZtL+EP832++EKtFuMr20VJgNG
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/1720-0-0x0000000000DD0000-0x0000000000E10000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 1720 Umbral.exe Token: SeIncreaseQuotaPrivilege 2232 wmic.exe Token: SeSecurityPrivilege 2232 wmic.exe Token: SeTakeOwnershipPrivilege 2232 wmic.exe Token: SeLoadDriverPrivilege 2232 wmic.exe Token: SeSystemProfilePrivilege 2232 wmic.exe Token: SeSystemtimePrivilege 2232 wmic.exe Token: SeProfSingleProcessPrivilege 2232 wmic.exe Token: SeIncBasePriorityPrivilege 2232 wmic.exe Token: SeCreatePagefilePrivilege 2232 wmic.exe Token: SeBackupPrivilege 2232 wmic.exe Token: SeRestorePrivilege 2232 wmic.exe Token: SeShutdownPrivilege 2232 wmic.exe Token: SeDebugPrivilege 2232 wmic.exe Token: SeSystemEnvironmentPrivilege 2232 wmic.exe Token: SeRemoteShutdownPrivilege 2232 wmic.exe Token: SeUndockPrivilege 2232 wmic.exe Token: SeManageVolumePrivilege 2232 wmic.exe Token: 33 2232 wmic.exe Token: 34 2232 wmic.exe Token: 35 2232 wmic.exe Token: SeIncreaseQuotaPrivilege 2232 wmic.exe Token: SeSecurityPrivilege 2232 wmic.exe Token: SeTakeOwnershipPrivilege 2232 wmic.exe Token: SeLoadDriverPrivilege 2232 wmic.exe Token: SeSystemProfilePrivilege 2232 wmic.exe Token: SeSystemtimePrivilege 2232 wmic.exe Token: SeProfSingleProcessPrivilege 2232 wmic.exe Token: SeIncBasePriorityPrivilege 2232 wmic.exe Token: SeCreatePagefilePrivilege 2232 wmic.exe Token: SeBackupPrivilege 2232 wmic.exe Token: SeRestorePrivilege 2232 wmic.exe Token: SeShutdownPrivilege 2232 wmic.exe Token: SeDebugPrivilege 2232 wmic.exe Token: SeSystemEnvironmentPrivilege 2232 wmic.exe Token: SeRemoteShutdownPrivilege 2232 wmic.exe Token: SeUndockPrivilege 2232 wmic.exe Token: SeManageVolumePrivilege 2232 wmic.exe Token: 33 2232 wmic.exe Token: 34 2232 wmic.exe Token: 35 2232 wmic.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1720 wrote to memory of 2232 1720 Umbral.exe 28 PID 1720 wrote to memory of 2232 1720 Umbral.exe 28 PID 1720 wrote to memory of 2232 1720 Umbral.exe 28