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Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 04:40

General

  • Target

    ba652f3266a882ed48f80e320ac78bfd_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    ba652f3266a882ed48f80e320ac78bfd

  • SHA1

    97d7cc36c0bc78dd95363f691fd85fa44d5a5c7e

  • SHA256

    d5af8787376f7efc104d75f99099cda61ea639c5c757a2a4cf6b65efda83d193

  • SHA512

    38cf54a46ac276389b6e5dcbdbca5df33b34c287b92f0b6f8a115e6b1ec497a70cb7cfe45bc64a9993fa24a7512172ec442780df32b8eee6894c38e2e96e1c08

  • SSDEEP

    6144:vmZp9qpWymPBeaSAOJ+7xi5eRed63qaCR8nIBKf:ORGLmPBeaSAOJ+7xi5eRed63qaCO

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 50 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\ba652f3266a882ed48f80e320ac78bfd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ba652f3266a882ed48f80e320ac78bfd_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:1156
    • C:\Users\Admin\jiiquus.exe
      "C:\Users\Admin\jiiquus.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:608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\jiiquus.exe

    Filesize

    200KB

    MD5

    c1e9d59849b5bcfcc0c8091a54c4e0a2

    SHA1

    ef281c9c864c8c750ec2af07294b3905e122a4f4

    SHA256

    df34d83fdf0ed0f821cf075844122bc06b7580f8e6e90692b3e2f951b3bd53c1

    SHA512

    ceca0d6c59c9472ec3c5d33b09f2bb01161ac62a7ac8cc5dc2791f6350392ac69724a17a9a37c7a0b88dbdb5f34a27f6436c2a126fcd2b13a8e31a5bd0c183c5