Analysis
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max time kernel
134s -
max time network
136s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
02-05-2024 11:31
General
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Target
release.exe
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Size
234KB
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MD5
d3b91f66624b3bc4d6fdc49e7ed650e8
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SHA1
cbe16636131cd52582078775d46f309c4f3a6164
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SHA256
2b49183d5f11acec481c4de2bbf9f7059f2a99137c0d26852be34a8a992275c8
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SHA512
c2215aa8a089c26bd45f96673ce165bf1e9c937a0b54742e4b01c6f79165f5875ef5e7bde86b80d988e38d2379cab14ac3aef920a3844bb09a51f7eacd8a6f10
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SSDEEP
6144:HloZM+rIkd8g+EtXHkv/iD4evkQrRiK1rwBzOur8lb8e1mTYaij:FoZtL+EP8evkQrRiK1rwBzOurcFf
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/4772-0-0x0000023326EA0000-0x0000023326EE0000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4772 release.exe Token: SeIncreaseQuotaPrivilege 2088 wmic.exe Token: SeSecurityPrivilege 2088 wmic.exe Token: SeTakeOwnershipPrivilege 2088 wmic.exe Token: SeLoadDriverPrivilege 2088 wmic.exe Token: SeSystemProfilePrivilege 2088 wmic.exe Token: SeSystemtimePrivilege 2088 wmic.exe Token: SeProfSingleProcessPrivilege 2088 wmic.exe Token: SeIncBasePriorityPrivilege 2088 wmic.exe Token: SeCreatePagefilePrivilege 2088 wmic.exe Token: SeBackupPrivilege 2088 wmic.exe Token: SeRestorePrivilege 2088 wmic.exe Token: SeShutdownPrivilege 2088 wmic.exe Token: SeDebugPrivilege 2088 wmic.exe Token: SeSystemEnvironmentPrivilege 2088 wmic.exe Token: SeRemoteShutdownPrivilege 2088 wmic.exe Token: SeUndockPrivilege 2088 wmic.exe Token: SeManageVolumePrivilege 2088 wmic.exe Token: 33 2088 wmic.exe Token: 34 2088 wmic.exe Token: 35 2088 wmic.exe Token: 36 2088 wmic.exe Token: SeIncreaseQuotaPrivilege 2088 wmic.exe Token: SeSecurityPrivilege 2088 wmic.exe Token: SeTakeOwnershipPrivilege 2088 wmic.exe Token: SeLoadDriverPrivilege 2088 wmic.exe Token: SeSystemProfilePrivilege 2088 wmic.exe Token: SeSystemtimePrivilege 2088 wmic.exe Token: SeProfSingleProcessPrivilege 2088 wmic.exe Token: SeIncBasePriorityPrivilege 2088 wmic.exe Token: SeCreatePagefilePrivilege 2088 wmic.exe Token: SeBackupPrivilege 2088 wmic.exe Token: SeRestorePrivilege 2088 wmic.exe Token: SeShutdownPrivilege 2088 wmic.exe Token: SeDebugPrivilege 2088 wmic.exe Token: SeSystemEnvironmentPrivilege 2088 wmic.exe Token: SeRemoteShutdownPrivilege 2088 wmic.exe Token: SeUndockPrivilege 2088 wmic.exe Token: SeManageVolumePrivilege 2088 wmic.exe Token: 33 2088 wmic.exe Token: 34 2088 wmic.exe Token: 35 2088 wmic.exe Token: 36 2088 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4772 wrote to memory of 2088 4772 release.exe 74 PID 4772 wrote to memory of 2088 4772 release.exe 74
Processes
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C:\Users\Admin\AppData\Local\Temp\release.exe"C:\Users\Admin\AppData\Local\Temp\release.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2088
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4600