Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 04:32
General
- Target 948263278221d7dfa4b1a319b0228f2b163eac3048e20e1ce2444f1cfcd199ab.exe
- Size 1.6MB
- Sample261027-e6d1ka1wbz
- SHA256 948263278221d7dfa4b1a319b0228f2b163eac3048e20e1ce2444f1cfcd199ab
Malware Config
Signatures
- 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.
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 10 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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\948263278221d7dfa4b1a319b0228f2b163eac3048e20e1ce2444f1cfcd199ab.exe"C:\Users\Admin\AppData\Local\Temp\948263278221d7dfa4b1a319b0228f2b163eac3048e20e1ce2444f1cfcd199ab.exe"1⤵
- 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\frhsjiykmc.exe" /VERYSILENT2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\frhsjiykmc.exe"C:\Users\Admin\AppData\Local\Temp\frhsjiykmc.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-76B0T.tmp\frhsjiykmc.tmp"C:\Users\Admin\AppData\Local\Temp\is-76B0T.tmp\frhsjiykmc.tmp" /SL5="$600A8,150686,54272,C:\Users\Admin\AppData\Local\Temp\frhsjiykmc.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
ScreenCapture.exe
unins000.exe
frhsjiykmc.exe
frhsjiykmc.tmp
memory/1892-18-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/1892-21-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/1892-51-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/3656-0-0x0000000000E20000-0x00000000010BD000-memory.dmp
memory/3656-7-0x0000000000E20000-0x00000000010BD000-memory.dmp
memory/3656-1-0x0000000010000000-0x0000000010284000-memory.dmp
memory/4144-10-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4144-12-0x000000000040D000-0x000000000040E000-memory.dmp
memory/4144-52-0x0000000000400000-0x0000000000414000-memory.dmp