Analysis
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max time kernel
93s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-en -
resource tags
arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system -
submitted
07-02-2025 17:26
Behavioral task
behavioral1
Sample
2025-02-07_efc75e9ca53e50a2735c8ba1c5b2e395_ismagent_ryuk_sliver.exe
Resource
win7-20241010-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
2025-02-07_efc75e9ca53e50a2735c8ba1c5b2e395_ismagent_ryuk_sliver.exe
Resource
win10v2004-20250207-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
2025-02-07_efc75e9ca53e50a2735c8ba1c5b2e395_ismagent_ryuk_sliver.exe
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Size
3.3MB
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MD5
efc75e9ca53e50a2735c8ba1c5b2e395
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SHA1
b9b683d4cae51728959c6c59cffada23ac476615
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SHA256
e39ebd85fb0fd81242798392d370adbf7468ccee9e03bd5dc1b047bf6e464fe2
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SHA512
413c083fdc52ebe52375e7968c829c4dfa5ae99ea95f0bcb966afdb8e2d942c3bb017c4364a93719e02f8a5ff0a8fd5e820dd8bac34b38a944e7a80a8a36072c
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SSDEEP
49152:dX3YnLOQYsZfQ74C6SkgSbXP31+frjUYuHi7nT8poTMFvfuJ1kZ7NrjHQe85Qz:dlRsZ47/QXoHUOfAoj1x6z
Score
3/10
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 516 MicrosoftEdgeUpdate.exe 516 MicrosoftEdgeUpdate.exe 516 MicrosoftEdgeUpdate.exe 516 MicrosoftEdgeUpdate.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4368 wmic.exe Token: SeSecurityPrivilege 4368 wmic.exe Token: SeTakeOwnershipPrivilege 4368 wmic.exe Token: SeLoadDriverPrivilege 4368 wmic.exe Token: SeSystemProfilePrivilege 4368 wmic.exe Token: SeSystemtimePrivilege 4368 wmic.exe Token: SeProfSingleProcessPrivilege 4368 wmic.exe Token: SeIncBasePriorityPrivilege 4368 wmic.exe Token: SeCreatePagefilePrivilege 4368 wmic.exe Token: SeBackupPrivilege 4368 wmic.exe Token: SeRestorePrivilege 4368 wmic.exe Token: SeShutdownPrivilege 4368 wmic.exe Token: SeDebugPrivilege 4368 wmic.exe Token: SeSystemEnvironmentPrivilege 4368 wmic.exe Token: SeRemoteShutdownPrivilege 4368 wmic.exe Token: SeUndockPrivilege 4368 wmic.exe Token: SeManageVolumePrivilege 4368 wmic.exe Token: 33 4368 wmic.exe Token: 34 4368 wmic.exe Token: 35 4368 wmic.exe Token: 36 4368 wmic.exe Token: SeIncreaseQuotaPrivilege 4368 wmic.exe Token: SeSecurityPrivilege 4368 wmic.exe Token: SeTakeOwnershipPrivilege 4368 wmic.exe Token: SeLoadDriverPrivilege 4368 wmic.exe Token: SeSystemProfilePrivilege 4368 wmic.exe Token: SeSystemtimePrivilege 4368 wmic.exe Token: SeProfSingleProcessPrivilege 4368 wmic.exe Token: SeIncBasePriorityPrivilege 4368 wmic.exe Token: SeCreatePagefilePrivilege 4368 wmic.exe Token: SeBackupPrivilege 4368 wmic.exe Token: SeRestorePrivilege 4368 wmic.exe Token: SeShutdownPrivilege 4368 wmic.exe Token: SeDebugPrivilege 4368 wmic.exe Token: SeSystemEnvironmentPrivilege 4368 wmic.exe Token: SeRemoteShutdownPrivilege 4368 wmic.exe Token: SeUndockPrivilege 4368 wmic.exe Token: SeManageVolumePrivilege 4368 wmic.exe Token: 33 4368 wmic.exe Token: 34 4368 wmic.exe Token: 35 4368 wmic.exe Token: 36 4368 wmic.exe Token: SeDebugPrivilege 516 MicrosoftEdgeUpdate.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 408 wrote to memory of 4368 408 2025-02-07_efc75e9ca53e50a2735c8ba1c5b2e395_ismagent_ryuk_sliver.exe 83 PID 408 wrote to memory of 4368 408 2025-02-07_efc75e9ca53e50a2735c8ba1c5b2e395_ismagent_ryuk_sliver.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-02-07_efc75e9ca53e50a2735c8ba1c5b2e395_ismagent_ryuk_sliver.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-07_efc75e9ca53e50a2735c8ba1c5b2e395_ismagent_ryuk_sliver.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Windows\system32\wbem\wmic.exewmic os get oslanguage /FORMAT:LIST2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4368
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ua /installsource scheduler1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516