Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 16:44
Behavioral task
behavioral1
Sample
Loader(1).exe
Resource
win10-20240404-en
windows10-1703-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
Loader(1).exe
Resource
win10v2004-20240226-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
Loader(1).exe
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Size
495KB
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MD5
6c200e0e8ddc021a16094bd07c17b1b6
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SHA1
faa1dba99441d84898171d9ec2962955235183e9
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SHA256
837e540ab292132a621130757c1d5f1738f83e44568847e9278472eac3dc3046
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SHA512
bd5e8d976dbdad7d8f5511d777a0998f3d831054b7d3dad2d0a9969ddd622a519b63c1b06b677fef16c90f9ed9de226b25be6ca5f11752a053d6669ce726a15f
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SSDEEP
12288:doZ1tlRk83MlgvNh0ad1+F7mEl5Qw5nTiii/Izoqs2PiixJ:G5r39Nh0ad1+F7mEl5QwFzoqs2
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/3220-1-0x0000023F94E40000-0x0000023F94EC2000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 3220 Loader(1).exe Token: SeIncreaseQuotaPrivilege 4468 wmic.exe Token: SeSecurityPrivilege 4468 wmic.exe Token: SeTakeOwnershipPrivilege 4468 wmic.exe Token: SeLoadDriverPrivilege 4468 wmic.exe Token: SeSystemProfilePrivilege 4468 wmic.exe Token: SeSystemtimePrivilege 4468 wmic.exe Token: SeProfSingleProcessPrivilege 4468 wmic.exe Token: SeIncBasePriorityPrivilege 4468 wmic.exe Token: SeCreatePagefilePrivilege 4468 wmic.exe Token: SeBackupPrivilege 4468 wmic.exe Token: SeRestorePrivilege 4468 wmic.exe Token: SeShutdownPrivilege 4468 wmic.exe Token: SeDebugPrivilege 4468 wmic.exe Token: SeSystemEnvironmentPrivilege 4468 wmic.exe Token: SeRemoteShutdownPrivilege 4468 wmic.exe Token: SeUndockPrivilege 4468 wmic.exe Token: SeManageVolumePrivilege 4468 wmic.exe Token: 33 4468 wmic.exe Token: 34 4468 wmic.exe Token: 35 4468 wmic.exe Token: 36 4468 wmic.exe Token: SeIncreaseQuotaPrivilege 4468 wmic.exe Token: SeSecurityPrivilege 4468 wmic.exe Token: SeTakeOwnershipPrivilege 4468 wmic.exe Token: SeLoadDriverPrivilege 4468 wmic.exe Token: SeSystemProfilePrivilege 4468 wmic.exe Token: SeSystemtimePrivilege 4468 wmic.exe Token: SeProfSingleProcessPrivilege 4468 wmic.exe Token: SeIncBasePriorityPrivilege 4468 wmic.exe Token: SeCreatePagefilePrivilege 4468 wmic.exe Token: SeBackupPrivilege 4468 wmic.exe Token: SeRestorePrivilege 4468 wmic.exe Token: SeShutdownPrivilege 4468 wmic.exe Token: SeDebugPrivilege 4468 wmic.exe Token: SeSystemEnvironmentPrivilege 4468 wmic.exe Token: SeRemoteShutdownPrivilege 4468 wmic.exe Token: SeUndockPrivilege 4468 wmic.exe Token: SeManageVolumePrivilege 4468 wmic.exe Token: 33 4468 wmic.exe Token: 34 4468 wmic.exe Token: 35 4468 wmic.exe Token: 36 4468 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3220 wrote to memory of 4468 3220 Loader(1).exe 90 PID 3220 wrote to memory of 4468 3220 Loader(1).exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\Loader(1).exe"C:\Users\Admin\AppData\Local\Temp\Loader(1).exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4468
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:81⤵PID:2344