Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/04/2024, 01:55

General

  • Target
    d15e13b8039c56968350fb4909975fe5d5b51909a4d7dc089bdb47e085011b99.exe
  • Size 78KB
  • Sample240413-cca1psab24
  • SHA256 d15e13b8039c56968350fb4909975fe5d5b51909a4d7dc089bdb47e085011b99
  • 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\d15e13b8039c56968350fb4909975fe5d5b51909a4d7dc089bdb47e085011b99.exe
    "C:\Users\Admin\AppData\Local\Temp\d15e13b8039c56968350fb4909975fe5d5b51909a4d7dc089bdb47e085011b99.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1328
    • 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\jvarouvc.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2060
      • 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\RES7F32.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc508C8744BE9D4BF8AC42888AB57374.TMP"
        3⤵
          PID:5036
      • C:\Users\Admin\AppData\Local\Temp\tmp7E09.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp7E09.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d15e13b8039c56968350fb4909975fe5d5b51909a4d7dc089bdb47e085011b99.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:4400

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RES7F32.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES7F32.tmp
          • Size 1KB
          • SHA256 c3e1fb75a449099a3671e96dc3ece6a6451644e06089b975df92aae5ad7252ad
          • MD5 SHA1 SHA512

          jvarouvc.0.vb

          • Path C:\Users\Admin\AppData\Local\Temp\jvarouvc.0.vb
          • Size 14KB
          • SHA256 0ddfe62c098c2efc12c7a469769a07ad848df774da2bac18a213ea9f0e9955bf
          • MD5 SHA1 SHA512 SSDEEP

          jvarouvc.cmdline

          • Path C:\Users\Admin\AppData\Local\Temp\jvarouvc.cmdline
          • Size 266B
          • SHA256 d6437316c051935224d95d4db9c8fd43d9c9e98e2654360486ead4742b86e823
          • MD5 SHA1 SHA512

          tmp7E09.tmp.exe

          • Path C:\Users\Admin\AppData\Local\Temp\tmp7E09.tmp.exe
          • Size 78KB
          • SHA256 edd4ddcf1f8b7867fe80b0c4b10f20a1568f60d3cb1ac29092b051cbb751b4ea
          • MD5 SHA1 SHA512 SSDEEP

          vbc508C8744BE9D4BF8AC42888AB57374.TMP

          • Path C:\Users\Admin\AppData\Local\Temp\vbc508C8744BE9D4BF8AC42888AB57374.TMP
          • Size 660B
          • SHA256 b343d5460030be41323331e227ebd7e182629fafe362230b977f956487751605
          • MD5 SHA1 SHA512

          zCom.resources

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

          memory/1328-21-0x0000000074670000-0x0000000074C21000-memory.dmp

          memory/1328-1-0x0000000074670000-0x0000000074C21000-memory.dmp

          memory/1328-2-0x00000000017E0000-0x00000000017F0000-memory.dmp

          memory/1328-0-0x0000000074670000-0x0000000074C21000-memory.dmp

          memory/2060-8-0x0000000002600000-0x0000000002610000-memory.dmp

          memory/4400-22-0x0000000074670000-0x0000000074C21000-memory.dmp

          memory/4400-23-0x0000000000EF0000-0x0000000000F00000-memory.dmp

          memory/4400-24-0x0000000074670000-0x0000000074C21000-memory.dmp

          memory/4400-26-0x0000000000EF0000-0x0000000000F00000-memory.dmp

          memory/4400-27-0x0000000074670000-0x0000000074C21000-memory.dmp

          memory/4400-28-0x0000000000EF0000-0x0000000000F00000-memory.dmp

          memory/4400-29-0x0000000000EF0000-0x0000000000F00000-memory.dmp