Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-05-2024 06:46

General

  • Target

    7c0ef81ef52a99bc26a26aed61c6532d_JaffaCakes118.exe

  • Size

    23KB

  • MD5

    7c0ef81ef52a99bc26a26aed61c6532d

  • SHA1

    f0e189c7e4c75e0f0961e9f5150b1cebc07a440a

  • SHA256

    81000dc1966cb3be3850943e75f6c08b97002c6b2aa1f020e4a74a0716b2de15

  • SHA512

    cf5f9909f19e20fca38e67e0d7f20071de63ba31bd6132901f18254678f572fca172b22a01b5b6f517a6af7f30a0b786ddf5a04128e5cb9b6eabf179566dc0a6

  • SSDEEP

    384:LY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZEP:0L2s+tRyRpcnul

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c0ef81ef52a99bc26a26aed61c6532d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7c0ef81ef52a99bc26a26aed61c6532d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Roaming\DongTest.exe
      "C:\Users\Admin\AppData\Roaming\DongTest.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\DongTest.exe" "DongTest.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\DongTest.exe

    Filesize

    23KB

    MD5

    7c0ef81ef52a99bc26a26aed61c6532d

    SHA1

    f0e189c7e4c75e0f0961e9f5150b1cebc07a440a

    SHA256

    81000dc1966cb3be3850943e75f6c08b97002c6b2aa1f020e4a74a0716b2de15

    SHA512

    cf5f9909f19e20fca38e67e0d7f20071de63ba31bd6132901f18254678f572fca172b22a01b5b6f517a6af7f30a0b786ddf5a04128e5cb9b6eabf179566dc0a6

  • memory/2404-14-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-13-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-16-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/4000-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

    Filesize

    4KB

  • memory/4000-1-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/4000-2-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/4000-12-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB