Analysis
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max time kernel
147s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2023 21:05
Behavioral task
behavioral1
Sample
rbxfpsunlocker.exe
Resource
win7-20230831-en
windows7-x64
4 signatures
150 seconds
General
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Target
rbxfpsunlocker.exe
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Size
235KB
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MD5
cef4e684fe752c81d8a1373e622719e0
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SHA1
ed204610451f108b441d3b7b06b3dc95aeda80e4
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SHA256
24d2bc2920f563e67a63e82a6ad93c61e2a1e118e927385f71f55755ce8763cc
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SHA512
d07e6f763e0f970ac63e8dd7a3fe2b6bd6f38d91f0ebfadba8d6bd650b27c03cd68893d4de800078eafb75b6f24ac004976500585a8b7266ed64680827020f38
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SSDEEP
6144:TloZM+rIkd8g+EtXHkv/iD4dcFMrRiK1iwBzOurmaqb8e1mgui:RoZtL+EP8dcFMrRiK1iwBzOuroND
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/1256-0-0x000002424ABD0000-0x000002424AC10000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 1256 rbxfpsunlocker.exe Token: SeIncreaseQuotaPrivilege 4812 wmic.exe Token: SeSecurityPrivilege 4812 wmic.exe Token: SeTakeOwnershipPrivilege 4812 wmic.exe Token: SeLoadDriverPrivilege 4812 wmic.exe Token: SeSystemProfilePrivilege 4812 wmic.exe Token: SeSystemtimePrivilege 4812 wmic.exe Token: SeProfSingleProcessPrivilege 4812 wmic.exe Token: SeIncBasePriorityPrivilege 4812 wmic.exe Token: SeCreatePagefilePrivilege 4812 wmic.exe Token: SeBackupPrivilege 4812 wmic.exe Token: SeRestorePrivilege 4812 wmic.exe Token: SeShutdownPrivilege 4812 wmic.exe Token: SeDebugPrivilege 4812 wmic.exe Token: SeSystemEnvironmentPrivilege 4812 wmic.exe Token: SeRemoteShutdownPrivilege 4812 wmic.exe Token: SeUndockPrivilege 4812 wmic.exe Token: SeManageVolumePrivilege 4812 wmic.exe Token: 33 4812 wmic.exe Token: 34 4812 wmic.exe Token: 35 4812 wmic.exe Token: 36 4812 wmic.exe Token: SeIncreaseQuotaPrivilege 4812 wmic.exe Token: SeSecurityPrivilege 4812 wmic.exe Token: SeTakeOwnershipPrivilege 4812 wmic.exe Token: SeLoadDriverPrivilege 4812 wmic.exe Token: SeSystemProfilePrivilege 4812 wmic.exe Token: SeSystemtimePrivilege 4812 wmic.exe Token: SeProfSingleProcessPrivilege 4812 wmic.exe Token: SeIncBasePriorityPrivilege 4812 wmic.exe Token: SeCreatePagefilePrivilege 4812 wmic.exe Token: SeBackupPrivilege 4812 wmic.exe Token: SeRestorePrivilege 4812 wmic.exe Token: SeShutdownPrivilege 4812 wmic.exe Token: SeDebugPrivilege 4812 wmic.exe Token: SeSystemEnvironmentPrivilege 4812 wmic.exe Token: SeRemoteShutdownPrivilege 4812 wmic.exe Token: SeUndockPrivilege 4812 wmic.exe Token: SeManageVolumePrivilege 4812 wmic.exe Token: 33 4812 wmic.exe Token: 34 4812 wmic.exe Token: 35 4812 wmic.exe Token: 36 4812 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1256 wrote to memory of 4812 1256 rbxfpsunlocker.exe 86 PID 1256 wrote to memory of 4812 1256 rbxfpsunlocker.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\rbxfpsunlocker.exe"C:\Users\Admin\AppData\Local\Temp\rbxfpsunlocker.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4812
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