Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 07:56

General

  • Target
    2dfcd705e3f5b168661163806fe5baae579b30fec864ceb80f67b2059ac3125b.dll
  • Size 2.2MB
  • Sample261014-jsvtdaas8r
  • SHA256 2dfcd705e3f5b168661163806fe5baae579b30fec864ceb80f67b2059ac3125b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 204.194.49.108:21107

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

  • Detects ValleyRAT payload 6 IoCs
  • UAC bypass 3 TTPs 4 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 44 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 8 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2dfcd705e3f5b168661163806fe5baae579b30fec864ceb80f67b2059ac3125b.dll,#1
    1⤵
    • UAC bypass
    • Badlisted process makes network request
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:932
    • C:\Windows\system32\citool.exe
      "citool.exe" -r
      2⤵
        PID:1272
      • C:\Windows\system32\cmd.exe
        cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Setup64.exe"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2292
        • C:\Users\Admin\AppData\Local\Temp\Setup64.exe
          C:\Users\Admin\AppData\Local\Temp\Setup64.exe
          3⤵
          • UAC bypass
          • Executes dropped EXE
          • Reads the TCP/IP host and domain name from the registry
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: LoadsDriver
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:3724
          • C:\Windows\SYSTEM32\citool.exe
            "citool.exe" -r
            4⤵
              PID:4960
            • C:\Windows\explorer.exe
              explorer.exe shell:::{D215B1C8-14E3-4BF0-8DF0-9DE38325F5B0}
              4⤵
                PID:1928
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2612
          • C:\ProgramData\MicroPoint\WinCombo.exe
            "C:\ProgramData\MicroPoint\WinCombo.exe"
            2⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Enumerates connected drives
            • Reads the TCP/IP host and domain name from the registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: LoadsDriver
            • Suspicious use of AdjustPrivilegeToken
            PID:3020
        • C:\ProgramData\MicroPoint\WinCombo.exe
          "C:\ProgramData\MicroPoint\WinCombo.exe"
          1⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Reads the TCP/IP host and domain name from the registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: LoadsDriver
          • Suspicious use of AdjustPrivilegeToken
          PID:1348

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              EraseCode.dat

              • Path C:\ProgramData\MicroPoint\EraseCode.dat
              • Size 58KB
              • SHA256 41148757b193f1a96398994f8d81be52ac4d81b729648e55cca47f596c682fe8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Setup64.exe

              • Path C:\Users\Admin\AppData\Local\Temp\Setup64.exe
              • Size 1.3MB
              • SHA256 e0bf5427a5301f223940a47076afdd8a01016c8fbeb1ca1165de354bd70d8c58
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1348-20-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/1348-11-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/1348-26-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/1348-23-0x00000211A9480000-0x00000211A94D0000-memory.dmp

              memory/1348-16-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/1348-17-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/1348-22-0x00000211A9480000-0x00000211A94D0000-memory.dmp

              memory/1348-21-0x00000211A9480000-0x00000211A94D0000-memory.dmp

              memory/2612-34-0x0000000003840000-0x00000000038B9000-memory.dmp

              memory/2612-28-0x0000000003840000-0x00000000038B9000-memory.dmp

              memory/3020-13-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/3020-18-0x000001B5E62F0000-0x000001B5E6340000-memory.dmp

              memory/3020-19-0x000001B5E62F0000-0x000001B5E6340000-memory.dmp

              memory/3020-15-0x000001B5E62F0000-0x000001B5E6340000-memory.dmp

              memory/3020-24-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/3020-14-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/3020-12-0x0000000140000000-0x000000014002A000-memory.dmp

              memory/3020-8-0x0000000140000000-0x000000014002A000-memory.dmp