Analysis
- max time kernel
299s - max time network
290s - platform
windows10-2004_x64 - resource
win10v2004-20260911-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 11 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 33 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 11 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 1 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:\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
MSVCP140.dll
Security_Module.dat
VCRUNTIME140.dll
WinCombo.exe
liblz4.dll
vcruntime140_1.dll
memory/4644-50-0x000002DC19C90000-0x000002DC19CBA000-memory.dmp
memory/4644-30-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-38-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-42-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-40-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-37-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-45-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-36-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-35-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-34-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-33-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-32-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-47-0x000002DC19C60000-0x000002DC19C83000-memory.dmp
memory/4644-81-0x000002DC19C90000-0x000002DC19CBA000-memory.dmp
memory/4644-49-0x000002DC19C60000-0x000002DC19C83000-memory.dmp
memory/4644-48-0x000002DC19C90000-0x000002DC19CBA000-memory.dmp
memory/4644-31-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-44-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-29-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-43-0x000002DC19B10000-0x000002DC19B11000-memory.dmp
memory/4644-39-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-28-0x000002DC19AF0000-0x000002DC19B0F000-memory.dmp
memory/4644-80-0x000002DC19C90000-0x000002DC19CBA000-memory.dmp
memory/4644-101-0x000002DC19F30000-0x000002DC19F80000-memory.dmp
memory/4644-100-0x000002DC19C90000-0x000002DC19CBA000-memory.dmp
memory/4644-98-0x000002DC19C90000-0x000002DC19CBA000-memory.dmp
memory/4644-95-0x000002DC19F30000-0x000002DC19F80000-memory.dmp
memory/4644-41-0x0000000140000000-0x0000000140049000-memory.dmp
memory/4644-96-0x000002DC19F30000-0x000002DC19F80000-memory.dmp
memory/4644-85-0x000002DC19C90000-0x000002DC19CBA000-memory.dmp
memory/4644-86-0x000002DC19F30000-0x000002DC19F80000-memory.dmp
memory/4644-87-0x000002DC19EE0000-0x000002DC19F2A000-memory.dmp
memory/4644-88-0x000002DC19F30000-0x000002DC19F80000-memory.dmp
memory/4644-82-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-79-0x000001F57E550000-0x000001F57E57A000-memory.dmp
memory/5104-65-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-64-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-63-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-62-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-61-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-66-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-67-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-60-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-83-0x000001F57E550000-0x000001F57E57A000-memory.dmp
memory/5104-84-0x000001F57E550000-0x000001F57E57A000-memory.dmp
memory/5104-92-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-91-0x000001F57E730000-0x000001F57E780000-memory.dmp
memory/5104-90-0x000001F57E730000-0x000001F57E780000-memory.dmp
memory/5104-89-0x000001F57E550000-0x000001F57E57A000-memory.dmp
memory/5104-68-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-69-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-74-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-77-0x000001F57E550000-0x000001F57E57A000-memory.dmp
memory/5104-93-0x000001F57E730000-0x000001F57E780000-memory.dmp
memory/5104-94-0x000001F57E730000-0x000001F57E780000-memory.dmp
memory/5104-78-0x000001F57E520000-0x000001F57E543000-memory.dmp
memory/5104-71-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-72-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-73-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-99-0x000001F57E550000-0x000001F57E57A000-memory.dmp
memory/5104-97-0x000001F57E550000-0x000001F57E57A000-memory.dmp
memory/5104-70-0x0000000140000000-0x0000000140049000-memory.dmp
memory/5104-102-0x000001F57E730000-0x000001F57E780000-memory.dmp