Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 03:47

General

  • Target

    fb70f5e7b30a9d48e67c1ec8759561b2_JaffaCakes118.exe

  • Size

    88KB

  • MD5

    fb70f5e7b30a9d48e67c1ec8759561b2

  • SHA1

    2357710d4110e641a972049de0e5ebacb8fcea83

  • SHA256

    3554cc872d4429d81b6db460028020c058171eca994cdcdc4e25ff3145f78bf1

  • SHA512

    01a303c384d1ad744e3a4ba9dc960ca0d117c613888ac98470e52ee1cce75f5f03b1e7ff7dfb0903a3abde52a4519d5a1f369f973ad0a8e065eb5e8fe90ba2a2

  • SSDEEP

    768:NDFIytuRaaq2AOa6TnwVDZ1RO8YSEQJt1H7a8jFk+Zxqfcwl7z:HIUO7YzDZ16SEQJjZx0cwl7z

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 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
  • Adds Run key to start application 2 TTPs 52 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb70f5e7b30a9d48e67c1ec8759561b2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb70f5e7b30a9d48e67c1ec8759561b2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\coaguoj.exe
      "C:\Users\Admin\coaguoj.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\coaguoj.exe

    Filesize

    88KB

    MD5

    e2914c218fabd85ee708b77fa9856ecd

    SHA1

    9b22755614b3fc41d435309c531a719fcc8876cc

    SHA256

    cfe1e037977862147e6cdab308d67faa756a061bb54478b4b7687833e3254c86

    SHA512

    f67ed427dcaaac1a721491e0378116c02e42666c69ea22183d48a33bb42ed3bd34ab5d248e7f4bc98c4a5d1817fab02824f8acaced6af6b05671d0f00be49d33