Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
28/05/2026, 14:37
General
- Target 0851ac50087cedffb2903b9aeb8ab17122fe83882fb2b97286e25dd3541db1a8.exe
- Size 2.6MB
- Sample260528-rzbcbabv2r
- SHA256 0851ac50087cedffb2903b9aeb8ab17122fe83882fb2b97286e25dd3541db1a8
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 10 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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. 3 IoCs
Inno Setup installer
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0851ac50087cedffb2903b9aeb8ab17122fe83882fb2b97286e25dd3541db1a8.exe"C:\Users\Admin\AppData\Local\Temp\0851ac50087cedffb2903b9aeb8ab17122fe83882fb2b97286e25dd3541db1a8.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\fetibpuypw.exe" /VERYSILENT2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fetibpuypw.exe"C:\Users\Admin\AppData\Local\Temp\fetibpuypw.exe" /VERYSILENT3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-L5AGS.tmp\fetibpuypw.tmp"C:\Users\Admin\AppData\Local\Temp\is-L5AGS.tmp\fetibpuypw.tmp" /SL5="$B0258,150686,54272,C:\Users\Admin\AppData\Local\Temp\fetibpuypw.exe" /VERYSILENT4⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
fetibpuypw.exe
fetibpuypw.tmp
memory/2536-0-0x0000000000F20000-0x00000000011B9000-memory.dmp
memory/2536-1-0x0000000010000000-0x0000000010284000-memory.dmp
memory/3088-16-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/3088-22-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/3088-43-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/3424-10-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3424-9-0x000000000040D000-0x000000000040E000-memory.dmp
memory/3424-44-0x0000000000400000-0x0000000000414000-memory.dmp