Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/10/2026, 01:02

General

  • Target
    jaffacakes118_Trojan.Win32.Agent.gen.exe
  • Size 4.4MB
  • Sample261016-bdybysfs5x
  • SHA256 363d482ef09dd8f21bd54ca5688a39f67bac89c8faa68393aaf445d1057972b9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: RMS

    Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 8 IoCs
  • Drops file in System32 directory 3 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 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 14 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.gen.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.gen.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files\0\1\0.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:624
      • C:\Program Files\0\1\RMS.exe
        RMS.exe -p123 -dc:\
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:4336
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\install.vbs"
          4⤵
          • Checks computer location settings
          • Executes a VBScript file via the Windows Script Host.
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1092
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\install.bat" "
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2224
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im rutserv.exe
              6⤵
              • System Location Discovery: System Language Discovery
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:3004
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im rfusclient.exe
              6⤵
              • System Location Discovery: System Language Discovery
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:2968
            • C:\Windows\SysWOW64\reg.exe
              reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2180
            • C:\Windows\SysWOW64\regedit.exe
              regedit /s "regedit.reg"
              6⤵
              • System Location Discovery: System Language Discovery
              • Runs .reg file with regedit
              PID:4444
            • C:\Windows\SysWOW64\timeout.exe
              timeout 2
              6⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:3452
            • \??\c:\rutserv.exe
              rutserv.exe /silentinstall
              6⤵
              • Executes dropped EXE
              • Reads the TCP/IP host and domain name from the registry
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:4256
            • \??\c:\rutserv.exe
              rutserv.exe /firewall
              6⤵
              • Executes dropped EXE
              • Reads the TCP/IP host and domain name from the registry
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:4988
            • \??\c:\rutserv.exe
              rutserv.exe /start
              6⤵
              • Executes dropped EXE
              • Reads the TCP/IP host and domain name from the registry
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:4188
  • \??\c:\rutserv.exe
    c:\rutserv.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4572
    • \??\c:\rfusclient.exe
      c:\rfusclient.exe
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3404
      • \??\c:\rfusclient.exe
        c:\rfusclient.exe /tray
        3⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: SetClipboardViewer
        PID:3528
    • \??\c:\rfusclient.exe
      c:\rfusclient.exe /tray
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:548

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        0.bat

        • Path C:\Program Files\0\1\0.bat
        • Size 19B
        • SHA256 f8495bddef480fd954e15b273c4190848d85465a7a4abe46f1f0ed10e379c7f6
        • MD5 SHA1 SHA512

        RMS.exe

        • Path C:\Program Files\0\1\RMS.exe
        • Size 4.0MB
        • SHA256 4267e50d2a3e152dae5d9f1a301da46cfc9fd6c740dfca506ab845468ca6e8ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.bat

        • Path C:\install.bat
        • Size 480B
        • SHA256 240020a1a1941d1455135b5cb134e502a13b148be16cbb1552482aa03c29f8f3
        • MD5 SHA1 SHA512 TLSH

        install.vbs

        • Path C:\install.vbs
        • Size 117B
        • SHA256 a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
        • MD5 SHA1 SHA512 TLSH

        rutserv.exe

        • Path C:\rutserv.exe
        • Size 1.7MB
        • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        regedit.reg

        • Path \??\c:\regedit.reg
        • Size 11KB
        • SHA256 967f4ccac9168e651c150389a1ea5ee619e7583454537ff73899c6b1b2774919
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rfusclient.exe

        • Path \??\c:\rfusclient.exe
        • Size 1.5MB
        • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vp8decoder.dll

        • Path \??\c:\vp8decoder.dll
        • Size 155KB
        • SHA256 4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vp8encoder.dll

        • Path \??\c:\vp8encoder.dll
        • Size 593KB
        • SHA256 81af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/548-75-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-74-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-76-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-81-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-118-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-110-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-103-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-99-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-95-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-78-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/548-77-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3404-70-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3404-66-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3404-72-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3404-94-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3404-73-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3404-80-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3404-71-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3404-69-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3528-85-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3528-87-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3528-90-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3528-92-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3528-89-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3528-88-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/3528-86-0x0000000000400000-0x00000000009B6000-memory.dmp

        memory/4188-68-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4188-52-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4188-48-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4188-49-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4188-53-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4188-50-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4188-51-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4256-38-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4256-34-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4256-33-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4256-36-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4256-37-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4256-35-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4256-32-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-56-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-96-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-55-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-58-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-60-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-59-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-57-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-130-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-93-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-126-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-123-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-79-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-116-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-101-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4572-108-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4988-45-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4988-42-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4988-44-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4988-40-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4988-43-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4988-41-0x0000000000400000-0x0000000000AB9000-memory.dmp

        memory/4988-46-0x0000000000400000-0x0000000000AB9000-memory.dmp