Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2024, 15:35

General

  • Target
    SecuriteInfo.com.Win32.Application.Agent.H3XSG6.10460.29227.exe
  • Size 22.3MB
  • Sample241019-s1bvxatclb
  • SHA256 3b328d4649eae2d574eab7ef71cf38a249b78d8b5fed20b3a1c549c361580027
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • RMS

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Drops file in System32 directory 14 IoCs
  • UPX packed file 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Application.Agent.H3XSG6.10460.29227.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Application.Agent.H3XSG6.10460.29227.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rfusclient.exe
      "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rfusclient.exe" -run_agent
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rutserv.exe
        "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rutserv.exe" -run_agent
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3980
        • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rutserv.exe
          "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rutserv.exe" -run_agent -second
          4⤵
          • Adds Run key to start application
          • Drops file in System32 directory
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1220
          • C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rfusclient.exe
            "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rfusclient.exe" /tray /user
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:3528

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        eventmsg.dll

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\eventmsg.dll
        • Size 57KB
        • SHA256 badd947460e6ac9ef7d9abc286054b5b73e17ab5694f827f26d56203974f1ea2
        • MD5 SHA1 SHA512 SSDEEP

        libasset32.dll

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\libasset32.dll
        • Size 8.8MB
        • SHA256 c127f79b4996890a01986f88b4e2076ff7cdb8b6de01092c548b3f28aeda35dd
        • MD5 SHA1 SHA512 SSDEEP

        libcodec32.dll

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\libcodec32.dll
        • Size 6.8MB
        • SHA256 7c12b161b9f1be77a852cab4979fc0dc85f0e895d59d2f82622e573b9b00f860
        • MD5 SHA1 SHA512 SSDEEP

        licenses.txt

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\licenses.txt
        • Size 19KB
        • SHA256 4ef24da2e7933364af0c7918207927283d0b7664c615b888cc80843d7a62faa4
        • MD5 SHA1 SHA512 SSDEEP

        privacy_policy.rtf

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\privacy_policy.rtf
        • Size 139KB
        • SHA256 1fcb0c18d74b4157752a5776ca47bf31f893453b4bcb82ba67b402769d054c26
        • MD5 SHA1 SHA512 SSDEEP

        rfusclient.exe

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rfusclient.exe
        • Size 10.8MB
        • SHA256 6a9cd931c9e8c4fcd39dcbfe09d7b94d367f31d22ed153239bd6fdece6e58377
        • MD5 SHA1 SHA512 SSDEEP

        rutserv.exe

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\rutserv.exe
        • Size 21.0MB
        • SHA256 e3d1f9b01467d3013ae4612ccf577830a68b5e2e3b55c7fecba47cb88a031275
        • MD5 SHA1 SHA512 SSDEEP

        vp8decoder.dll

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\vp8decoder.dll
        • Size 384KB
        • SHA256 851093c801f9f2f3ba670ff2c14c0a673b17efd72731c28a49ca3dcb64b57718
        • MD5 SHA1 SHA512 SSDEEP

        vp8encoder.dll

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\vp8encoder.dll
        • Size 1.6MB
        • SHA256 1fad67e1677401751b4c1ef7d18167174f72c247d8656e99a91104901d1b1400
        • MD5 SHA1 SHA512 SSDEEP

        webmmux.dll

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\webmmux.dll
        • Size 264KB
        • SHA256 1a1b4441fc6fdaf8b9d4a5de3e5855e15217e3810f4aca21a5ca9bb70afab5b4
        • MD5 SHA1 SHA512 SSDEEP

        webmvorbisdecoder.dll

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\webmvorbisdecoder.dll
        • Size 369KB
        • SHA256 2d2a368c897f3aadeb4a8d0f46016f0148799fdc7b18059f1a6cce62883ae7de
        • MD5 SHA1 SHA512 SSDEEP

        webmvorbisencoder.dll

        • Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70620\AF0B95CED3\webmvorbisencoder.dll
        • Size 864KB
        • SHA256 f858c62cac8d5063a3cffb8a7beb241725b94ab326e0bd2442dacb8e70461721
        • MD5 SHA1 SHA512 SSDEEP

        memory/1220-127-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-157-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-186-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-147-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-137-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-152-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-181-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-177-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-121-0x0000000073790000-0x0000000073E3A000-memory.dmp

        memory/1220-120-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-172-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-167-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-162-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-142-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1220-132-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/1812-85-0x0000000073790000-0x0000000073E3A000-memory.dmp

        memory/1812-84-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/1812-79-0x0000000001500000-0x0000000001501000-memory.dmp

        memory/3528-125-0x0000000073790000-0x0000000073E3A000-memory.dmp

        memory/3528-164-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-139-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-149-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-134-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-154-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-129-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-159-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-184-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-144-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-124-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-169-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-179-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3528-174-0x0000000000050000-0x0000000000BCE000-memory.dmp

        memory/3980-87-0x0000000000AB0000-0x000000000206D000-memory.dmp

        memory/3980-88-0x0000000073790000-0x0000000073E3A000-memory.dmp

        memory/4396-25-0x0000000004500000-0x0000000004501000-memory.dmp

        memory/4396-12-0x0000000000C50000-0x0000000003C35000-memory.dmp

        memory/4396-76-0x0000000000C50000-0x0000000003C35000-memory.dmp