Analysis

  • max time kernel
    142s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 12:06

General

  • Target

    54a1556548c5044b244a4a3b9f43f16f_JaffaCakes118.exe

  • Size

    994KB

  • MD5

    54a1556548c5044b244a4a3b9f43f16f

  • SHA1

    5ac83e445f6c8004e7ab4d51f1f7ba3e4eab89fa

  • SHA256

    490d94ddc0d29c728d676c84ee626a05c2105dd18c2ddd7bbde6b4a30d010699

  • SHA512

    20998502d49cd199737ecffc63692091b59b98f06bcccc2170754da6c7043b8df0b9842b16f52877d712e0d27b5e072b8ae67033b3eba6adfef62b2f3f7252b8

  • SSDEEP

    24576:4MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsx/:dJ5gEKNikf3hBfUiWx/

Score
10/10

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54a1556548c5044b244a4a3b9f43f16f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\54a1556548c5044b244a4a3b9f43f16f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      PID:1704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    994KB

    MD5

    9540878ae0ef978d7655e594b13d7f88

    SHA1

    ae6a565fddb91cec9aa541adc92f847b35ed783d

    SHA256

    7d25821febd290bc12edf959afb08f69228177fc2b8e5f2276711772d104016f

    SHA512

    34215f7780f47cfac6027693492ca3aae3b19fcc9251c20cea5352de48e25a53d131318c56c3ca91bb37ba9f9e0ea214d7d230aced2fb5a8240e140d669fe0b1

  • memory/1704-14-0x0000000002570000-0x0000000002970000-memory.dmp

    Filesize

    4.0MB

  • memory/1704-13-0x00000000020C0000-0x00000000020C1000-memory.dmp

    Filesize

    4KB

  • memory/1704-15-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/4716-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/4716-2-0x0000000002430000-0x0000000002431000-memory.dmp

    Filesize

    4KB

  • memory/4716-3-0x0000000002780000-0x0000000002B80000-memory.dmp

    Filesize

    4.0MB

  • memory/4716-12-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB