Analysis
- max time kernel
150s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
11/04/2026, 11:16
General
- Target bfff6225f4fbbf9e36322240185935d0321763893c579.exe
- Size 2.4MB
- Sample260411-ndc28sds2n
- SHA256 bfff6225f4fbbf9e36322240185935d0321763893c579f4e77b6efa520d5ab31
Malware Config
Signatures
- Detects ValleyRAT payload 6 IoCs
- ValleyRat
ValleyRat stage2 is a backdoor written in C++.
- Valleyrat_s2 family
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 1 IoCs
- Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\bfff6225f4fbbf9e36322240185935d0321763893c579.exe"C:\Users\Admin\AppData\Local\Temp\bfff6225f4fbbf9e36322240185935d0321763893c579.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\ProgramLog\Install\Install.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramLog\Install\TG.exeTG.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-WDRRSDNLO6.tmp\TG.tmp"C:\Users\Admin\AppData\Local\Temp\is-WDRRSDNLO6.tmp\TG.tmp" /SL5="$C024E,1798715,1108480,C:\ProgramLog\Install\TG.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\ProgramLog\run.exe"C:\ProgramLog\run.exe"5⤵
- Executes dropped EXE
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C:\ProgramLog\TGFile.exeC:\ProgramLog\TGFile.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Install.bat
TG.exe
Microsoft.WindowsAppRuntime.Bootstrap.dll
Setting.lua
TGFile.exe
run.exe
TG.tmp
memory/2176-45-0x0000000000550000-0x000000000066D000-memory.dmp
memory/2176-9-0x0000000000550000-0x000000000066D000-memory.dmp
memory/2176-47-0x00000000015C0000-0x00000000016D2000-memory.dmp
memory/2176-46-0x00000000015A0000-0x00000000015BA000-memory.dmp
memory/2468-30-0x0000000001490000-0x0000000001A92000-memory.dmp
memory/2468-29-0x0000000000BC0000-0x0000000001037000-memory.dmp
memory/5308-35-0x000000007F360000-0x000000007F370000-memory.dmp
memory/5308-38-0x00000000017B0000-0x00000000017E2000-memory.dmp
memory/5308-36-0x000000007F360000-0x000000007F370000-memory.dmp
memory/5308-39-0x0000000010000000-0x0000000010038000-memory.dmp
memory/5308-34-0x000000007F360000-0x000000007F370000-memory.dmp
memory/5308-37-0x000000007F360000-0x000000007F370000-memory.dmp
memory/5308-44-0x0000000010000000-0x0000000010038000-memory.dmp
memory/5308-48-0x0000000010000000-0x0000000010038000-memory.dmp
memory/5308-49-0x0000000010000000-0x0000000010038000-memory.dmp
memory/5308-50-0x0000000010000000-0x0000000010038000-memory.dmp
memory/5308-51-0x0000000001700000-0x0000000001764000-memory.dmp