Analysis

  • max time kernel
    150s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 07:01

General

  • Target

    eacf86f7aaeaafc2d0b1d251d2bfd268_JaffaCakes118.exe

  • Size

    60KB

  • MD5

    eacf86f7aaeaafc2d0b1d251d2bfd268

  • SHA1

    1e1954090eaf0564ff967d193aeed85a56d29749

  • SHA256

    d0b392679c03f5d51f01a12f1ff67b25ccb5142636ad2739e061a2cb61d158c4

  • SHA512

    e0eda05a76da27e06eac7d5ec1d144ad2f509ef385711d784291d0e660501edcb7bb790fe7237199c236335e86c8b0cc146394a4824b342221beed1f5110ead6

  • SSDEEP

    768:QQCyAcbrJ7z0JJm2dSUMAWkUcbTmFIkNcSFIkid+J9KOe8rgYn6IR4WspB6W8Lx+:nAcxUDsjtVmkSem0NMJ6XtFIewD

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\eacf86f7aaeaafc2d0b1d251d2bfd268_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eacf86f7aaeaafc2d0b1d251d2bfd268_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\hrvul.exe
      "C:\Users\Admin\hrvul.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:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\hrvul.exe

    Filesize

    60KB

    MD5

    77eab9712e5fe64f89cb698bc79a3ac0

    SHA1

    0d997afc6cca9d1295bba7a93749a01fbac84a7d

    SHA256

    0d59404e487a5668c1856af8f1fda399c774ecda1dd8eff9d4f4bef3f258c9ae

    SHA512

    97b251ef67bb541b72e665ad7431ecc0f16fb9e2b3a2c397fb9a0a81ff451a7be2dc58aaa69121c20281c634b9a97e24e39825c81fe90f19d7ccfcc4c59dd4f1