Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 03:29

General

  • Target

    026c6a13c4a35e87f2dd384c81ec88db_JaffaCakes118.exe

  • Size

    224KB

  • MD5

    026c6a13c4a35e87f2dd384c81ec88db

  • SHA1

    882e9cb9a0f87203a3bd5323f310ded6c9f96fc9

  • SHA256

    9d5517b5485a0bbe3649ff0b7f3d45d289208471704759514aaefd24615de59f

  • SHA512

    a76c9fde522ff3e79bfa9cf915bf0adc13ea6133516173d725043bc345ae0e9edcc802d27b457f7257118be77fcbae1a7d2b86da78a6c21d58f29c25b0ff0db0

  • SSDEEP

    6144:9pY1DifkpJFhSpe/+Ij7NweeJEKlJ85eg/0ISDhfq:9pYRisJXKIj3e6Rvd/

Score
10/10

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 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\026c6a13c4a35e87f2dd384c81ec88db_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\026c6a13c4a35e87f2dd384c81ec88db_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:732
    • C:\Users\Admin\yieseur.exe
      "C:\Users\Admin\yieseur.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\yieseur.exe

    Filesize

    224KB

    MD5

    01184d34b3bddd36da72dd34c52fa270

    SHA1

    341a4a536bd39a5850bc89c9f7518493715795e4

    SHA256

    0b72a70606a14519469ac96827ecee39e67a088d2f3a6a5a3b54438bfd9d6955

    SHA512

    4b955e650949e56d2a85924700d8105d1bb02dc725c6485621aa68918d1f181cfc01f1b8889c7fff09b47094e693170a5ca6b80fec137eefb92ed1c07cd345ee