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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2024, 08:43

General

  • Target

    86708573785c3eaff0a6a5295bdb2b61.exe

  • Size

    78KB

  • MD5

    86708573785c3eaff0a6a5295bdb2b61

  • SHA1

    218eb32d41e4506c327c47e21e1ded982fc89db4

  • SHA256

    a32ee6a1016da3fa161567b7c6076f04349bbf68dd8d0121216dc87d945a8291

  • SHA512

    932e1ef0b38eebad4ecc355a52350c7f998262af132817c0a27833e961eeb6b6602cb6acedb0dd2cc4bca21d5bb6e0935a63ea2f7db7858db07176616b7f6c98

  • SSDEEP

    1536:sCHFo6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQten9/S1/p:sCHFon3xSyRxvY3md+dWWZyen9/y

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.

  • Deletes itself 1 IoCs
  • 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\86708573785c3eaff0a6a5295bdb2b61.exe
    "C:\Users\Admin\AppData\Local\Temp\86708573785c3eaff0a6a5295bdb2b61.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4524
    • 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\jxlq9bol.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2444
      • 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\RES448B.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc53550D69623140D580B4D16B1DAB7636.TMP"
        3⤵
          PID:2908
      • C:\Users\Admin\AppData\Local\Temp\tmp43FE.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp43FE.tmp.exe" C:\Users\Admin\AppData\Local\Temp\86708573785c3eaff0a6a5295bdb2b61.exe
        2⤵
        • Deletes itself
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:4700

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES448B.tmp

      Filesize

      1KB

      MD5

      13b5a2dd2bbf427c30e365cf26cd3078

      SHA1

      f543e0bde9b72b14b8b88f6f0184985f5bb5f25a

      SHA256

      b4b47886a32ed55f8f23c043ac250fe449d4d474dd6a04de5a06d47f2738e343

      SHA512

      7343f1d7ad73918e8df1c1c9854ffc7ee81bb73b1716bd8075229231253f0af93f9ae22d0bd588341df3225c2241c78ebbc003ce7f2227d7d30fae24608a18dd

    • C:\Users\Admin\AppData\Local\Temp\jxlq9bol.0.vb

      Filesize

      15KB

      MD5

      9bebf45d68ddb6b94c8d20eaf49ce3b8

      SHA1

      a484d102139ab20ddaedda8044f3a1151b68965d

      SHA256

      347653b0912c17c7c40d3201ead05c7dd31e1b88ba635a5525644b16f3e52d1c

      SHA512

      f5a4f4dd8ce4130d8a55e632e7020b4c6232f8be99446c5e376c7e6b6a3ea382f1b7d2ee3b4688dd9985ee4aabe8d1a7a184dddb3adb0c303b12467a119c63a1

    • C:\Users\Admin\AppData\Local\Temp\jxlq9bol.cmdline

      Filesize

      266B

      MD5

      16e4be26230cfa24da75ccdc56345bd9

      SHA1

      c48d767337e7cb67d9a86673d8c28268bdb757a7

      SHA256

      d3df82df761531ad82d231095e92df1097a5fcf6aaabf6ec5b5a6aa78bf6eb1c

      SHA512

      acdd1c2ca7d42fba8c67cfe542b7d9fb26d6cbda5b042b2aa527474ed33e845ac5beb02a1ab679080c38d6f595910c4f5b559c53a279230d36ead532bc99a829

    • C:\Users\Admin\AppData\Local\Temp\tmp43FE.tmp.exe

      Filesize

      78KB

      MD5

      50eb353e91e24c969915a1f2c983c4b7

      SHA1

      37fa882048f55b365b3c51261a8c5393d659ba33

      SHA256

      0997e3f461654066d46504a04dafa1f1807ec5454df89d220e205db5c887213d

      SHA512

      e1694ec615612889daf5261234757067a617756e8278c328f9b40620a13bb493693fc77090c8b8a65a48373bfc1d9b9670db442e18259075a0871dd45666e74e

    • C:\Users\Admin\AppData\Local\Temp\vbc53550D69623140D580B4D16B1DAB7636.TMP

      Filesize

      660B

      MD5

      cfea2429a8990af4d9b871e35cdfcdba

      SHA1

      73bb17aa55f106b0c60e31082b3b65be0da9a6e5

      SHA256

      48ac4a3d4fe68a01c4c86a414c0725ca27bfc571313ca32bc4d28d7acc310e6f

      SHA512

      ffc75a5eb0e8d686bb0c7f7dcdb322ded870a8470ba720a6472a387034ea57f42487eade4fc7f3bc9eeb7317d49551339caff0876d03f842610670de9a372e6c

    • C:\Users\Admin\AppData\Local\Temp\zCom.resources

      Filesize

      62KB

      MD5

      4f0e8cf79edb6cd381474b21cabfdf4a

      SHA1

      7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

      SHA256

      e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

      SHA512

      2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

    • memory/2444-8-0x0000000002360000-0x0000000002370000-memory.dmp

      Filesize

      64KB

    • memory/4524-2-0x0000000075440000-0x00000000759F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4524-1-0x0000000000D00000-0x0000000000D10000-memory.dmp

      Filesize

      64KB

    • memory/4524-0-0x0000000075440000-0x00000000759F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4524-21-0x0000000075440000-0x00000000759F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4700-22-0x0000000075440000-0x00000000759F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4700-23-0x0000000000C10000-0x0000000000C20000-memory.dmp

      Filesize

      64KB

    • memory/4700-24-0x0000000075440000-0x00000000759F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4700-26-0x0000000000C10000-0x0000000000C20000-memory.dmp

      Filesize

      64KB

    • memory/4700-27-0x0000000075440000-0x00000000759F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4700-28-0x0000000000C10000-0x0000000000C20000-memory.dmp

      Filesize

      64KB