Analysis
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max time kernel
145s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2024, 02:13
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
232KB
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MD5
026573734d52b82132fe213163f53273
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SHA1
6a0651b69e20e3a491c1f98e07710ddbdac85868
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SHA256
336767cc7d04211aaad18b27760226ade4ce15c5787bc2e71cf66535af2f174e
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SHA512
0c9c04dc8e6245cf606b0849afb5e486f5cd145a7f0da9371aad29f2022d288c13c52fb63c6e06f3e57ec62db909e8273eb77b372817432a916cb0646261685f
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SSDEEP
6144:7loZM+rIkd8g+EtXHkv/iD4Hq14QcCFdWfj+ctBI7zb8e1mTi:ZoZtL+EP8Hq14QcCFdWfj+ctBIDR
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/2532-0-0x000002C7A1AC0000-0x000002C7A1B00000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 2532 Umbral.exe Token: SeIncreaseQuotaPrivilege 3120 wmic.exe Token: SeSecurityPrivilege 3120 wmic.exe Token: SeTakeOwnershipPrivilege 3120 wmic.exe Token: SeLoadDriverPrivilege 3120 wmic.exe Token: SeSystemProfilePrivilege 3120 wmic.exe Token: SeSystemtimePrivilege 3120 wmic.exe Token: SeProfSingleProcessPrivilege 3120 wmic.exe Token: SeIncBasePriorityPrivilege 3120 wmic.exe Token: SeCreatePagefilePrivilege 3120 wmic.exe Token: SeBackupPrivilege 3120 wmic.exe Token: SeRestorePrivilege 3120 wmic.exe Token: SeShutdownPrivilege 3120 wmic.exe Token: SeDebugPrivilege 3120 wmic.exe Token: SeSystemEnvironmentPrivilege 3120 wmic.exe Token: SeRemoteShutdownPrivilege 3120 wmic.exe Token: SeUndockPrivilege 3120 wmic.exe Token: SeManageVolumePrivilege 3120 wmic.exe Token: 33 3120 wmic.exe Token: 34 3120 wmic.exe Token: 35 3120 wmic.exe Token: 36 3120 wmic.exe Token: SeIncreaseQuotaPrivilege 3120 wmic.exe Token: SeSecurityPrivilege 3120 wmic.exe Token: SeTakeOwnershipPrivilege 3120 wmic.exe Token: SeLoadDriverPrivilege 3120 wmic.exe Token: SeSystemProfilePrivilege 3120 wmic.exe Token: SeSystemtimePrivilege 3120 wmic.exe Token: SeProfSingleProcessPrivilege 3120 wmic.exe Token: SeIncBasePriorityPrivilege 3120 wmic.exe Token: SeCreatePagefilePrivilege 3120 wmic.exe Token: SeBackupPrivilege 3120 wmic.exe Token: SeRestorePrivilege 3120 wmic.exe Token: SeShutdownPrivilege 3120 wmic.exe Token: SeDebugPrivilege 3120 wmic.exe Token: SeSystemEnvironmentPrivilege 3120 wmic.exe Token: SeRemoteShutdownPrivilege 3120 wmic.exe Token: SeUndockPrivilege 3120 wmic.exe Token: SeManageVolumePrivilege 3120 wmic.exe Token: 33 3120 wmic.exe Token: 34 3120 wmic.exe Token: 35 3120 wmic.exe Token: 36 3120 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2532 wrote to memory of 3120 2532 Umbral.exe 88 PID 2532 wrote to memory of 3120 2532 Umbral.exe 88