Analysis

  • max time kernel
    130s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    28-02-2021 07:09

General

  • Target

    0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe

  • Size

    78KB

  • MD5

    9b4497259f9f858244023de231400892

  • SHA1

    08600ea0e22ae8e5168ec56a359d75ae2cf9b413

  • SHA256

    0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810

  • SHA512

    777ffca5982119d346d601c4a6b2e4cefae9e5c05b29312c0676d6ed45478d829524ff3a14885a6fc2e4a27235ad897021342b71665f890ccca2a575397432a4

Malware Config

Signatures

  • MetamorpherRAT

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

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe
    "C:\Users\Admin\AppData\Local\Temp\0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • 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\ck5jwbqb.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1900
      • 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\RES2D58.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc2D57.tmp"
        3⤵
          PID:1172
      • C:\Users\Admin\AppData\Local\Temp\tmp2BD1.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp2BD1.tmp.exe" C:\Users\Admin\AppData\Local\Temp\0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe
        2⤵
        • Executes dropped EXE
        • Deletes itself
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:1968

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1724-2-0x00000000761E1000-0x00000000761E3000-memory.dmp

      Filesize

      8KB

    • memory/1724-11-0x00000000005E0000-0x00000000005E1000-memory.dmp

      Filesize

      4KB

    • memory/1900-12-0x0000000001D60000-0x0000000001D61000-memory.dmp

      Filesize

      4KB

    • memory/1968-18-0x0000000001F10000-0x0000000001F11000-memory.dmp

      Filesize

      4KB

    • memory/1968-19-0x0000000001F15000-0x0000000001F26000-memory.dmp

      Filesize

      68KB