Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 19:18

General

  • Target

    d2a86affb45275499fd7441fde6f3cff_JaffaCakes118.exe

  • Size

    240KB

  • MD5

    d2a86affb45275499fd7441fde6f3cff

  • SHA1

    f6858916c4e22c4629adf3d1a2b642e0a66f0d8c

  • SHA256

    aa00d0d99783c4997882b2843e40e289f16b759827b732030d6170e1c9a63393

  • SHA512

    fe4f3686ecce5f9dd66ea4eb99c2df77a42f84fdc4bb922d62b38379d65c6e97076d39f35e350abf78db8ea0faefe5663fc6457a247d84c16ba1a073e3d9cc7e

  • SSDEEP

    6144:7U7P3dwqsNwemAB0EqxF6snji81RUinKchhyqSQ:SPdQQJsl

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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2a86affb45275499fd7441fde6f3cff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d2a86affb45275499fd7441fde6f3cff_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:1028
    • C:\Users\Admin\kueta.exe
      "C:\Users\Admin\kueta.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:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\kueta.exe

    Filesize

    240KB

    MD5

    05d5c6da91be00b94a32ce067a57baa1

    SHA1

    535dd7e27bdcb79e01da54ad8b73d08d4cb2c81c

    SHA256

    448e2aca96291b92313202859ebd0b8b4015fb63ba650db8b81dcce3b68bec83

    SHA512

    750387ab916cb93c7cbc37de68cad5f311df68819590a96658b49f9a3f424d20379e684cd6b8eb5a37c1d5d9f56267ae6f51551d16ad9113a8b885c2c7690516