Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2024, 07:47

General

  • Target

    b6df10c5d9c81322d07861e54a058bb7_JaffaCakes118.exe

  • Size

    56KB

  • MD5

    b6df10c5d9c81322d07861e54a058bb7

  • SHA1

    4c4c0ea3425bb9e5098d392d4a2532b48f405c6c

  • SHA256

    254d9ea77c3c29edf40ec643fa3ff5179b671821980d12a329c2b4d70238b6db

  • SHA512

    0eefe9b54dc36f3cd11d48fe23daac093e1dbfb0301a8996f57cdb2d5e6b3eac99102888873869105f522de5c5772706dff0f77b3d51b9b9a243f0942891d7ba

  • SSDEEP

    1536:S9Icr0QgnRt9UdLw6BNMyBhXZxHJ6P6D5I6I:Ogz07JjD5I

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\b6df10c5d9c81322d07861e54a058bb7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b6df10c5d9c81322d07861e54a058bb7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Users\Admin\jiuiqi.exe
      "C:\Users\Admin\jiuiqi.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:3664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\jiuiqi.exe

    Filesize

    56KB

    MD5

    cae670ce52553475c44d42a4758847d9

    SHA1

    b991782fa322f120b331f16ac826d230d567b59a

    SHA256

    5343bd0cdaa360a07f247d845169403b61243c261da1b8aab05be75481b13ae9

    SHA512

    94017a7686839c3c3de2709ee2b1c03dbbac5a14e91026e60efb7158c72589ffcf60522b2bb9824edd0958fd3a9cebae9455f7b848af783d956c2c3f6ff55aee