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Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/08/2024, 10:56

General

  • Target

    8e7a1b42c0c5dba77f4b8e98dc6b9813_JaffaCakes118.exe

  • Size

    216KB

  • MD5

    8e7a1b42c0c5dba77f4b8e98dc6b9813

  • SHA1

    cda60d0cc0bb9cb743b27a0f0efa6405f5a3b64f

  • SHA256

    19b1cb29d210cc16d83b5b230996a54dd7c13468ffa86bd59a0d3e9ee5fb2f33

  • SHA512

    9513ecf4bf91c27344b2319b52834d99f85ba76f7bfd0c4571cf0830c77131c542edb398bff70ec5bd3327b17212eb90fd62d697d73b60763973472228c85f3d

  • SSDEEP

    6144:2fkW9RIpcN4LCdxCvhoyRhU9/YcHpynEsy+XrDvCLRFktgaCoquob4IDQSp+pPUk:2fkAMccCdxCvhoyRhU9/YcJynEsy+XrH

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 53 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e7a1b42c0c5dba77f4b8e98dc6b9813_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8e7a1b42c0c5dba77f4b8e98dc6b9813_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Users\Admin\vsxec.exe
      "C:\Users\Admin\vsxec.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:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\vsxec.exe

    Filesize

    216KB

    MD5

    38e6076aec1668945acfb2c33496b6ae

    SHA1

    30657e672fb0b91affb0835eeb65ecde629b4fa6

    SHA256

    2759087d5b7e5bb88c1552259effc83ddfa9e9e1fe456996d6c10778dbbd8c09

    SHA512

    db03918dc2ae47e98c255f1f63fd05c11a8b5fd1291ff3be97ebd01d7ee85da8d10227d6a0c6af0a213212aebccb9771281d7cd7e3eca678c6f20887912d209d