Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 23:37

General

  • Target

    fdea3787ce63bebc5ded1b8124005bfb_JaffaCakes118.exe

  • Size

    644KB

  • MD5

    fdea3787ce63bebc5ded1b8124005bfb

  • SHA1

    55be10e8a4452f2a2856775ed06caa1721c576f9

  • SHA256

    fde5d7ff378a963efb1f7a43e6f92a4eba3442e56f8042a7fc428e128866e59d

  • SHA512

    d344da2dcf1f31bdb4369fb6f2d3f099bd08afe923e51b6d8c377c662efafd3292b374370ea136db841cf4dec49990ab5963ec7d8e1a8c27025933ac715ae7b3

  • SSDEEP

    12288:FXWw5rArh3i/5hzJTIuN7w92L7FAQB+4H6IKZDIZ:F/5eyPrFfi54HQDE

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Disables Task Manager via registry modification
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdea3787ce63bebc5ded1b8124005bfb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdea3787ce63bebc5ded1b8124005bfb_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Users\Admin\AppData\Local\Temp\tmp843D.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp843D.tmp.exe"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:2512

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp843D.tmp.exe

      Filesize

      635KB

      MD5

      cbfd323cebec548725018ba849934b08

      SHA1

      e1203b9ee87c598597d10959657730ed697c3776

      SHA256

      ae4af2d497968f52f40d1146f4b283ab1f21f86460c3e87c76abf268fc23d63a

      SHA512

      f8ce40c64d3041f6949344af3eaa0dc50c2d40cd2f48240dee7b175ec7d9b6ee759e56dca2e49a97b6b7c38214200204bd6536b222777290e8905129ea50094b

    • memory/1740-18-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1740-11-0x0000000000260000-0x0000000000261000-memory.dmp

      Filesize

      4KB

    • memory/1740-13-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1740-15-0x0000000000260000-0x0000000000261000-memory.dmp

      Filesize

      4KB

    • memory/1740-16-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1740-21-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1740-23-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1740-25-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1740-27-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/2980-8-0x0000000000B60000-0x0000000000BE0000-memory.dmp

      Filesize

      512KB

    • memory/2980-9-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

      Filesize

      9.6MB

    • memory/2980-10-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

      Filesize

      9.6MB

    • memory/2980-6-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

      Filesize

      9.6MB