Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 13:21

General

  • Target

    b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    b39e033622a4064150079af0f0a2f6e7

  • SHA1

    d78e5abb26570595992e9e947a600ad4f57c8fa1

  • SHA256

    419846e9b68e55915ca25b8a6b95a20b39aaf67b4788c357a96f534903a1b7e3

  • SHA512

    0a19fca436159e59e25aa36811f57294ee1a4ca090ac7ab63619798c9d556e1f398cd83b2c43979be4e6044d69213c94808da3a9d049cffc0ee5c90223b64d8f

  • SSDEEP

    3072:kCtTo/0Yxq0tQ9nLHbB9WPliBs2HWWEakGJm9uq+:kCwo4QxL7B9WPli+yWWEazNj

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 27 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\kbyooy.exe
      "C:\Users\Admin\kbyooy.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
      PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\kbyooy.exe

    Filesize

    200KB

    MD5

    0803d7bde1fa1c7b47942a9d681ae26e

    SHA1

    31ae9e257e6eedd1c13b4e3240b4331e031d21a5

    SHA256

    1875562748c71b5e3d9cbbde58fab8a6e8aae9f1027ce0647e65c560ed18ee38

    SHA512

    5cef0463b231efb103798fbe2343f232b3948a45facd35fb442ce7878d9a43b106da082676ac95589ebc7e8d46bb1ef0128c08b725b39c41af7f71dbd571f84e