Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 14:25
Behavioral task
behavioral1
Sample
start.dll.exe
Resource
win7-20240215-en
windows7-x64
4 signatures
150 seconds
General
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Target
start.dll.exe
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Size
232KB
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MD5
ec6f1481d7bb030213e34efe0590f54b
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SHA1
f3e453c2534a88bea7da27043a781e3eb8650e90
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SHA256
bb8117f1bf2b6af1409762f7959448c15f7cad6a3ad5c8cf484da64fe1dcafc0
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SHA512
9284b5f85a730c70c7a88a70751d1e20bce7eb7d55d98f808e8cbab83e3f36df87e344091de5b04c0738cad47569d704cf5537e1e40ad50cc73508b8bff16fc0
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SSDEEP
6144:tloZM3fsXtioRkts/cnnK6cMl3kOA4+ZRSZ3qCDjaI1/b8e1mWi:voZ1tlRk83Ml3kOA4+ZRSZ3qCDjaoc
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/2268-1-0x0000000000CF0000-0x0000000000D30000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 2268 start.dll.exe Token: SeIncreaseQuotaPrivilege 2888 wmic.exe Token: SeSecurityPrivilege 2888 wmic.exe Token: SeTakeOwnershipPrivilege 2888 wmic.exe Token: SeLoadDriverPrivilege 2888 wmic.exe Token: SeSystemProfilePrivilege 2888 wmic.exe Token: SeSystemtimePrivilege 2888 wmic.exe Token: SeProfSingleProcessPrivilege 2888 wmic.exe Token: SeIncBasePriorityPrivilege 2888 wmic.exe Token: SeCreatePagefilePrivilege 2888 wmic.exe Token: SeBackupPrivilege 2888 wmic.exe Token: SeRestorePrivilege 2888 wmic.exe Token: SeShutdownPrivilege 2888 wmic.exe Token: SeDebugPrivilege 2888 wmic.exe Token: SeSystemEnvironmentPrivilege 2888 wmic.exe Token: SeRemoteShutdownPrivilege 2888 wmic.exe Token: SeUndockPrivilege 2888 wmic.exe Token: SeManageVolumePrivilege 2888 wmic.exe Token: 33 2888 wmic.exe Token: 34 2888 wmic.exe Token: 35 2888 wmic.exe Token: SeIncreaseQuotaPrivilege 2888 wmic.exe Token: SeSecurityPrivilege 2888 wmic.exe Token: SeTakeOwnershipPrivilege 2888 wmic.exe Token: SeLoadDriverPrivilege 2888 wmic.exe Token: SeSystemProfilePrivilege 2888 wmic.exe Token: SeSystemtimePrivilege 2888 wmic.exe Token: SeProfSingleProcessPrivilege 2888 wmic.exe Token: SeIncBasePriorityPrivilege 2888 wmic.exe Token: SeCreatePagefilePrivilege 2888 wmic.exe Token: SeBackupPrivilege 2888 wmic.exe Token: SeRestorePrivilege 2888 wmic.exe Token: SeShutdownPrivilege 2888 wmic.exe Token: SeDebugPrivilege 2888 wmic.exe Token: SeSystemEnvironmentPrivilege 2888 wmic.exe Token: SeRemoteShutdownPrivilege 2888 wmic.exe Token: SeUndockPrivilege 2888 wmic.exe Token: SeManageVolumePrivilege 2888 wmic.exe Token: 33 2888 wmic.exe Token: 34 2888 wmic.exe Token: 35 2888 wmic.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2268 wrote to memory of 2888 2268 start.dll.exe 28 PID 2268 wrote to memory of 2888 2268 start.dll.exe 28 PID 2268 wrote to memory of 2888 2268 start.dll.exe 28