Analysis
- max time kernel
66s - max time network
318s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
05/09/2026, 12:14
General
- Target zkgoebug_x64.exe
- Size 136.5MB
- Sample260905-persfs1tgz
- SHA256 390fd400517d3a8d9e7143f1822550d66860fef3c4f7de54c0f80b1c9fcb5a69
Malware Config
Signatures
- Family: clop
Ransomware discovered in early 2019 which has been actively developed since release.
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 4 IoCs
Inno Setup installer
- Suspicious behavior: MapViewOfSection 12 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\zkgoebug_x64.exe"C:\Users\Admin\AppData\Local\Temp\zkgoebug_x64.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-OGC4F.tmp\zkgoebug_x64.tmp"C:\Users\Admin\AppData\Local\Temp\is-OGC4F.tmp\zkgoebug_x64.tmp" /SL5="$4026C,142315246,730624,C:\Users\Admin\AppData\Local\Temp\zkgoebug_x64.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\msys64\JC2oc7\0sBq\OR0WE\kvKdu\HGe0T5.exe"C:\msys64\JC2oc7\0sBq\OR0WE\kvKdu\HGe0T5.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
zkgoebug_x64.tmp
HGe0T5.exe
TF46nfQ.H
hqkY.xgL
memory/3484-27-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3484-27-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3484-0-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3484-0-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3796-5-0x0000000000D00000-0x0000000000D01000-memory.dmp
memory/3796-26-0x0000000000400000-0x00000000006F4000-memory.dmp
memory/3796-26-0x0000000000400000-0x00000000006F4000-memory.dmp
memory/3796-5-0x0000000000D00000-0x0000000000D01000-memory.dmp
memory/4504-43-0x000001670D6A0000-0x000001670FB9D000-memory.dmp
memory/4504-43-0x000001670D6A0000-0x000001670FB9D000-memory.dmp
memory/5068-42-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-32-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-39-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-40-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-38-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-37-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-33-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-32-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-29-0x000001D256F00000-0x000001D25790B000-memory.dmp
memory/5068-41-0x000001D256F00000-0x000001D25790B000-memory.dmp
memory/5068-33-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-37-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-38-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-40-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-39-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-41-0x000001D256F00000-0x000001D25790B000-memory.dmp
memory/5068-42-0x000001D258340000-0x000001D25A83D000-memory.dmp
memory/5068-29-0x000001D256F00000-0x000001D25790B000-memory.dmp