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
    08-04-2024 02:00

General

  • Target

    d8b3080c6e5c4480da8f690a63498ab2fc6c275ac181b3e8145624864ab1f54e.exe

  • Size

    78KB

  • MD5

    d5e438d5c28d8817b77f2e3893c5648d

  • SHA1

    64bfba0f51eb646da49b40013a02668c5f553ac3

  • SHA256

    d8b3080c6e5c4480da8f690a63498ab2fc6c275ac181b3e8145624864ab1f54e

  • SHA512

    cb18609831659429a649c92ab3f6b12c8b043cbe08c0c089b20df95fbeb53b7341a59728fd14ce4257cdab4460ad506997416d9d8951ce28d94ec92482b5b179

  • SSDEEP

    1536:iPCHY6638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtQ9/S1mC:iPCHY53Ln7N041QqhgQ9/m

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\d8b3080c6e5c4480da8f690a63498ab2fc6c275ac181b3e8145624864ab1f54e.exe
    "C:\Users\Admin\AppData\Local\Temp\d8b3080c6e5c4480da8f690a63498ab2fc6c275ac181b3e8145624864ab1f54e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4004
    • 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\zggyny_a.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4020
      • 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\RES9877.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc12D51EACE16D463881A9B7152B4CB0.TMP"
        3⤵
          PID:228
      • C:\Users\Admin\AppData\Local\Temp\tmp95B8.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp95B8.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d8b3080c6e5c4480da8f690a63498ab2fc6c275ac181b3e8145624864ab1f54e.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:3100

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES9877.tmp

      Filesize

      1KB

      MD5

      cdddd359871468d1c085087170e488b1

      SHA1

      51e4ad0121bd2a3210b615d541dc51f8c7f277bc

      SHA256

      8451552219b08b881c30eae9a31a24ae02ccdb43d69c40d59ec7391749607751

      SHA512

      3bf7e6a5c1fe38d3745bbc9572c9673a87c74eba8cdca2614684d3d480fe17d4648529eda75da712ec4988866799dc529b0ed375c93c334bd5b377a1673994a4

    • C:\Users\Admin\AppData\Local\Temp\tmp95B8.tmp.exe

      Filesize

      78KB

      MD5

      56d63316eca2de05b3c5101cc49a02b7

      SHA1

      0f7c055941e1527b8d6637e669ac54244d43a652

      SHA256

      bd3981369cf2cc92f7be09865f1ebdfe3dccccc89489fab5ec5448f111e7e46d

      SHA512

      e85ae7f3510bd889a12035c90c79d7b049658a57fbc9ec583758c11c46567aa320276b6cc8bee5af0ae1c4ef19b10e9dbe67959c2c2409d0652ff9dfc802750e

    • C:\Users\Admin\AppData\Local\Temp\vbc12D51EACE16D463881A9B7152B4CB0.TMP

      Filesize

      660B

      MD5

      80bb7da641b09eb99e7708c259239a27

      SHA1

      bb3f1d5713b551ea38c5c792402b2911513d7aab

      SHA256

      22c243aee2e8022b9b4cb0860e9eb499a8818eccf65ae97d273e6a7a855bc6d1

      SHA512

      f5c40f6f62c3839a419c9fa985c1b0edc69d0e9def8fe511447e93ba9d816da13472d22813d68a42884eb4d369b3d7274c9322fedea48c810c1e9c95bb4d5abe

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

      Filesize

      62KB

      MD5

      aa4bdac8c4e0538ec2bb4b7574c94192

      SHA1

      ef76d834232b67b27ebd75708922adea97aeacce

      SHA256

      d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

      SHA512

      0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

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

      Filesize

      15KB

      MD5

      c87e312addaca667a248342317ee43e7

      SHA1

      2bb285f770ad6ebfcee602d98a86796e4092ba3c

      SHA256

      8b2372bcb8eed59383af9ed5fd783ad9eb4b63df7e8c7d2f7dad8a561579d927

      SHA512

      e6f83cb0c0e4a38cde032a56e9b0ba06b561489e15d72667fe149e8f9d08d7f30487bd8ee85c870525dd9fcdc95b11be9d6ddf32ab6f5ce87612db5339970a9d

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

      Filesize

      266B

      MD5

      3f32bee5d01ba8c9221fc86cc6abf01b

      SHA1

      b91abfe88437e02315ed274585aaa767a0d6041d

      SHA256

      3b3c17f8e2bc00364fb028d0a6f0e95434b3241107659147c757f375e5047e42

      SHA512

      ce01bba628d758573ac2a4a919199de931d9f72596121dfa223fc632ae5a73ea2fa75c457efb622b6da3697a4f115c3d452f91f543fd53f15c0e71009378e143

    • memory/3100-21-0x0000000074E20000-0x00000000753D1000-memory.dmp

      Filesize

      5.7MB

    • memory/3100-22-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

      Filesize

      64KB

    • memory/3100-23-0x0000000074E20000-0x00000000753D1000-memory.dmp

      Filesize

      5.7MB

    • memory/3100-25-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

      Filesize

      64KB

    • memory/3100-26-0x0000000074E20000-0x00000000753D1000-memory.dmp

      Filesize

      5.7MB

    • memory/3100-27-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

      Filesize

      64KB

    • memory/3100-28-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

      Filesize

      64KB

    • memory/4004-0-0x0000000074E20000-0x00000000753D1000-memory.dmp

      Filesize

      5.7MB

    • memory/4004-2-0x0000000000DF0000-0x0000000000E00000-memory.dmp

      Filesize

      64KB

    • memory/4004-1-0x0000000074E20000-0x00000000753D1000-memory.dmp

      Filesize

      5.7MB

    • memory/4004-20-0x0000000074E20000-0x00000000753D1000-memory.dmp

      Filesize

      5.7MB