Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 01:44

General

  • Target
    bb54225c23d52ba823f738badc4590947be7cc8fee5d98a18a1948b2ac99bbb4.exe
  • Size 78KB
  • Sample240409-b5vp5seb21
  • SHA256 bb54225c23d52ba823f738badc4590947be7cc8fee5d98a18a1948b2ac99bbb4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • MetamorpherRAT

    Metamorpherrat is a hacking tool that has been around for a while since 2013.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb54225c23d52ba823f738badc4590947be7cc8fee5d98a18a1948b2ac99bbb4.exe
    "C:\Users\Admin\AppData\Local\Temp\bb54225c23d52ba823f738badc4590947be7cc8fee5d98a18a1948b2ac99bbb4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\knhp8dvp.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES63CB.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcDFE88762A37D4EEBA55B71EC8A82C26.TMP"
        3⤵
          PID:5068
      • C:\Users\Admin\AppData\Local\Temp\tmp6263.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp6263.tmp.exe" C:\Users\Admin\AppData\Local\Temp\bb54225c23d52ba823f738badc4590947be7cc8fee5d98a18a1948b2ac99bbb4.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:2464

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          RES63CB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES63CB.tmp
          • Size 1KB
          • SHA256 bad7a01b3b11557308154c5e9bf39fbf1dd2d612d69c8b107e8ea2ad98433beb
          • MD5 SHA1 SHA512

          knhp8dvp.0.vb

          • Path C:\Users\Admin\AppData\Local\Temp\knhp8dvp.0.vb
          • Size 15KB
          • SHA256 aa048b07b6de068efbe12f8014d4fa3f6eb369adc93777c2d70615b1bd8768bc
          • MD5 SHA1 SHA512 SSDEEP

          knhp8dvp.cmdline

          • Path C:\Users\Admin\AppData\Local\Temp\knhp8dvp.cmdline
          • Size 266B
          • SHA256 990487debd4ed2a952b95f9b2ac5217950eef5dda94319d585fa890904ae922b
          • MD5 SHA1 SHA512

          tmp6263.tmp.exe

          • Path C:\Users\Admin\AppData\Local\Temp\tmp6263.tmp.exe
          • Size 78KB
          • SHA256 22dc70cbd9a9c4afae62704b8799688100637ba72e16da5d100705e86fa82389
          • MD5 SHA1 SHA512 SSDEEP

          vbcDFE88762A37D4EEBA55B71EC8A82C26.TMP

          • Path C:\Users\Admin\AppData\Local\Temp\vbcDFE88762A37D4EEBA55B71EC8A82C26.TMP
          • Size 660B
          • SHA256 6ec45616458fdc27a9140b8358d4e081118b5d21755fd4091da9ff917b6c2853
          • MD5 SHA1 SHA512

          zCom.resources

          • Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
          • Size 62KB
          • SHA256 d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430
          • MD5 SHA1 SHA512 SSDEEP

          memory/1252-21-0x00000000749A0000-0x0000000074F51000-memory.dmp

          memory/1252-1-0x00000000749A0000-0x0000000074F51000-memory.dmp

          memory/1252-0-0x00000000749A0000-0x0000000074F51000-memory.dmp

          memory/1252-2-0x0000000000EF0000-0x0000000000F00000-memory.dmp

          memory/2464-20-0x00000000749A0000-0x0000000074F51000-memory.dmp

          memory/2464-22-0x00000000011F0000-0x0000000001200000-memory.dmp

          memory/2464-23-0x00000000749A0000-0x0000000074F51000-memory.dmp

          memory/2464-25-0x00000000011F0000-0x0000000001200000-memory.dmp

          memory/2464-26-0x00000000749A0000-0x0000000074F51000-memory.dmp

          memory/2464-27-0x00000000011F0000-0x0000000001200000-memory.dmp

          memory/2464-28-0x00000000011F0000-0x0000000001200000-memory.dmp