Analysis
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max time kernel
93s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2023, 11:41
Behavioral task
behavioral1
Sample
Blood EXTERNAL.exe
Resource
win10-20231020-en
windows10-1703-x64
4 signatures
150 seconds
General
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Target
Blood EXTERNAL.exe
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Size
256KB
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MD5
a4379fc86adc58efb212f662f3d6b8cc
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SHA1
5bf25771ff9006b0cfb6ad820503eedc054362e6
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SHA256
bdc7f2fa2abd884838f90a2a44af32c48f7e87d38ed4d887c80bc2f0d4e02930
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SHA512
3434272593c73e2ea9b3110e1e54b3ceae20634796dbbc0c1191a2983031171227b968d464de9e106c148e410ecf97ac854d45c741dad00cc76b7d1977a16df1
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SSDEEP
6144:oloZM+rIkd8g+EtXHkv/iD4FhHb1DA0r5SjVg8Zg+tB48e1m+ifX:2oZtL+EP8vHb1DA0r5SjVg8ZlAkf
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/1176-0-0x0000020E487F0000-0x0000020E48836000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 1176 Blood EXTERNAL.exe Token: SeIncreaseQuotaPrivilege 5112 wmic.exe Token: SeSecurityPrivilege 5112 wmic.exe Token: SeTakeOwnershipPrivilege 5112 wmic.exe Token: SeLoadDriverPrivilege 5112 wmic.exe Token: SeSystemProfilePrivilege 5112 wmic.exe Token: SeSystemtimePrivilege 5112 wmic.exe Token: SeProfSingleProcessPrivilege 5112 wmic.exe Token: SeIncBasePriorityPrivilege 5112 wmic.exe Token: SeCreatePagefilePrivilege 5112 wmic.exe Token: SeBackupPrivilege 5112 wmic.exe Token: SeRestorePrivilege 5112 wmic.exe Token: SeShutdownPrivilege 5112 wmic.exe Token: SeDebugPrivilege 5112 wmic.exe Token: SeSystemEnvironmentPrivilege 5112 wmic.exe Token: SeRemoteShutdownPrivilege 5112 wmic.exe Token: SeUndockPrivilege 5112 wmic.exe Token: SeManageVolumePrivilege 5112 wmic.exe Token: 33 5112 wmic.exe Token: 34 5112 wmic.exe Token: 35 5112 wmic.exe Token: 36 5112 wmic.exe Token: SeIncreaseQuotaPrivilege 5112 wmic.exe Token: SeSecurityPrivilege 5112 wmic.exe Token: SeTakeOwnershipPrivilege 5112 wmic.exe Token: SeLoadDriverPrivilege 5112 wmic.exe Token: SeSystemProfilePrivilege 5112 wmic.exe Token: SeSystemtimePrivilege 5112 wmic.exe Token: SeProfSingleProcessPrivilege 5112 wmic.exe Token: SeIncBasePriorityPrivilege 5112 wmic.exe Token: SeCreatePagefilePrivilege 5112 wmic.exe Token: SeBackupPrivilege 5112 wmic.exe Token: SeRestorePrivilege 5112 wmic.exe Token: SeShutdownPrivilege 5112 wmic.exe Token: SeDebugPrivilege 5112 wmic.exe Token: SeSystemEnvironmentPrivilege 5112 wmic.exe Token: SeRemoteShutdownPrivilege 5112 wmic.exe Token: SeUndockPrivilege 5112 wmic.exe Token: SeManageVolumePrivilege 5112 wmic.exe Token: 33 5112 wmic.exe Token: 34 5112 wmic.exe Token: 35 5112 wmic.exe Token: 36 5112 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1176 wrote to memory of 5112 1176 Blood EXTERNAL.exe 85 PID 1176 wrote to memory of 5112 1176 Blood EXTERNAL.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\Blood EXTERNAL.exe"C:\Users\Admin\AppData\Local\Temp\Blood EXTERNAL.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:5112
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