Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 10:54

General

  • Target

    d62b9808031c7e050e5a46ea4e861bcb_JaffaCakes118.exe

  • Size

    993KB

  • MD5

    d62b9808031c7e050e5a46ea4e861bcb

  • SHA1

    d3fde31f2f151135e493d936f63cd6f4cdaff652

  • SHA256

    2ca000efeba203075cd69c61fd2006726208bbb9d42309ccf110be97a7056fba

  • SHA512

    1adaca38ef2861c4957a7c07950a886bc812abbef820773768237f5445509d8c548d765c349c93a9f9cf6ed3bc19923b4e97e74ba74391bebde5db77f3d186c1

  • SSDEEP

    24576:4MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxz:dJ5gEKNikf3hBfUiWxz

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d62b9808031c7e050e5a46ea4e861bcb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d62b9808031c7e050e5a46ea4e861bcb_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    994KB

    MD5

    69bccd2339ff38e8d77291d7853b0a8e

    SHA1

    72d31a86753a684d50157218cb8c1f58cbc10f73

    SHA256

    471ba45326c3786f8d528a9ce5cec723c9df3d1fd44574ced43c622fde8f8392

    SHA512

    9ac49c145b7d0c80058e1f5f0dd7f00758ebf4ae077c26aa721159ef7b5ec1744216560afdab2e3134521968f0b07c59fcc0af968d5ee96ee99fd4bfa1216306

  • memory/1520-14-0x0000000002570000-0x0000000002970000-memory.dmp

    Filesize

    4.0MB

  • memory/1520-13-0x00000000006C0000-0x00000000006C1000-memory.dmp

    Filesize

    4KB

  • memory/1520-21-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1628-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1628-1-0x0000000002270000-0x0000000002271000-memory.dmp

    Filesize

    4KB

  • memory/1628-3-0x0000000002670000-0x0000000002A70000-memory.dmp

    Filesize

    4.0MB

  • memory/1628-12-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB