Analysis
- max time kernel
300s - max time network
300s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/11/2026, 02:47
General
- Target R8HQO.exe
- Size 439KB
- Sample261102-c95xcagy3n
- SHA256 c09d9caef509f0f6001f1d3e3bb7f71d57aa77b7bfa751e198fe12c317cb77f2
Malware Config
Extracted
-
valleyrat_s2
-
1.0
-
186.241.116.38:22135
Signatures
- Family: ValleyRat
ValleyRat stage2 is a backdoor written in C++.
- Detects ValleyRAT payload 6 IoCs
- UAC bypass 3 TTPs 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 44 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- UPX packed file 31 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 10 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: LoadsDriver 3 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- System policy modification 1 TTPs 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\R8HQO.exe"C:\Users\Admin\AppData\Local\Temp\R8HQO.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\citool.exe"citool.exe" -r2⤵
-
-
C:\ProgramData\MicroPoint\WinCombo.exe"C:\ProgramData\MicroPoint\WinCombo.exe"2⤵
- UAC bypass
- Adds Run key to start application
- Enumerates connected drives
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- System policy modification
-
-
C:\ProgramData\MicroPoint\Security_Module.datC:\ProgramData\MicroPoint\Security_Module.dat1⤵
- Executes dropped EXE
-
C:\ProgramData\MicroPoint\WinCombo.exe"C:\ProgramData\MicroPoint\WinCombo.exe"1⤵
- UAC bypass
- Enumerates connected drives
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- System policy modification
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
FileReportEx.dll
Security_Module.dat
WinCombo.exe
liblz4.dll
msvcp140.dll
vcruntime140.dll
vcruntime140_1.dll
memory/2312-59-0x000002764EBC0000-0x000002764EBEA000-memory.dmp
memory/2312-42-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-68-0x000002764EE60000-0x000002764EEB0000-memory.dmp
memory/2312-67-0x000002764EE60000-0x000002764EEB0000-memory.dmp
memory/2312-66-0x000002764EE60000-0x000002764EEB0000-memory.dmp
memory/2312-65-0x000002764EBC0000-0x000002764EBEA000-memory.dmp
memory/2312-60-0x000002764EBC0000-0x000002764EBEA000-memory.dmp
memory/2312-52-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-74-0x000002764EBC0000-0x000002764EBEA000-memory.dmp
memory/2312-41-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-40-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-73-0x000002764EBC0000-0x000002764EBEA000-memory.dmp
memory/2312-43-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-44-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-48-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-50-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-45-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-46-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-47-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-49-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-56-0x000002764EBC0000-0x000002764EBEA000-memory.dmp
memory/2312-53-0x0000000140000000-0x0000000140049000-memory.dmp
memory/2312-51-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-30-0x000002247E4B0000-0x000002247E4DA000-memory.dmp
memory/5416-57-0x000002247E4B0000-0x000002247E4DA000-memory.dmp
memory/5416-12-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-10-0x000002247E320000-0x000002247E321000-memory.dmp
memory/5416-13-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-14-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-15-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-16-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-18-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-19-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-20-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-21-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-26-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-29-0x000002247E480000-0x000002247E4A3000-memory.dmp
memory/5416-58-0x000002247E4B0000-0x000002247E4DA000-memory.dmp
memory/5416-11-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-31-0x000002247E4B0000-0x000002247E4DA000-memory.dmp
memory/5416-28-0x000002247E480000-0x000002247E4A3000-memory.dmp
memory/5416-62-0x000002247E720000-0x000002247E770000-memory.dmp
memory/5416-61-0x000002247E4B0000-0x000002247E4DA000-memory.dmp
memory/5416-63-0x000002247E720000-0x000002247E770000-memory.dmp
memory/5416-64-0x000002247E720000-0x000002247E770000-memory.dmp
memory/5416-22-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-23-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-24-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-25-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-69-0x000002247E300000-0x000002247E31F000-memory.dmp
memory/5416-70-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-71-0x000002247E4B0000-0x000002247E4DA000-memory.dmp
memory/5416-72-0x000002247E4B0000-0x000002247E4DA000-memory.dmp
memory/5416-17-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5416-9-0x000002247E300000-0x000002247E31F000-memory.dmp