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Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 22:57

General

  • Target

    8c514ff64f02f9fe71e7f8f2200bb866_JaffaCakes118.exe

  • Size

    204KB

  • MD5

    8c514ff64f02f9fe71e7f8f2200bb866

  • SHA1

    c2515368651a414b2b7a97da257ebfc4baf97aeb

  • SHA256

    906028b4cdc561117592fc0bb45e49615ac5ed0416dcb09977e917aeffef4ed7

  • SHA512

    b6b7c2d67e3d4dc14e8a78b8043919ee3ae5eb2a684f0fd6a923515ace072a3b4a209f105409d34e9fc940537fe4dae31af7cc6b13af24bca2d9b27d292a07b8

  • SSDEEP

    3072:1mBW8K0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWX:swV4QxL7B9W0c1RCzR/fSmlg

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\8c514ff64f02f9fe71e7f8f2200bb866_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8c514ff64f02f9fe71e7f8f2200bb866_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:4564
    • C:\Users\Admin\jiaubo.exe
      "C:\Users\Admin\jiaubo.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:112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\jiaubo.exe

    Filesize

    204KB

    MD5

    fc13d3dcf44c917cb82677ddd878b00a

    SHA1

    1ec988b4da6c1056d4a9975d9352e66c6b185d67

    SHA256

    952849103c6b6a2d6647c816b3ba2cca09ebfa491d051bb88c36da8bb713f257

    SHA512

    575463864a7bfe0198476c2e55079cee04714de0e956cb297f14edef4c73a58589db76222e03c922aa3975dfb3b89ded60a056eb43ddd52d53a8fbe641e1d84a