Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 03:00

General

  • Target

    6a0319ba3f2b175c3252949b016d6af9_JaffaCakes118.exe

  • Size

    60KB

  • MD5

    6a0319ba3f2b175c3252949b016d6af9

  • SHA1

    f2f078e310ae2962d2b4267e62aab4378dc22d6d

  • SHA256

    cbc7e034ab5e006f8a0c454fb4b2cadd2281fdc56e978519aadffb44ebaf5136

  • SHA512

    e9d82f15c071078ecb4e7efe6e11ed7b705f77aa4ec02851b71852a85ee0f050415ae6eaea445fd05d6227cf7433855e604baf515044a4971aaa3ed006856860

  • SSDEEP

    768:q7SpCrhYxhIPBryUmU6tI4UBndTaDyNMRzEQU5e3bw1o+ZpJt:q7ZVGidjCCndTuyNMS3cw1o+Znt

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 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a0319ba3f2b175c3252949b016d6af9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6a0319ba3f2b175c3252949b016d6af9_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:436
    • C:\Users\Admin\fuoamuv.exe
      "C:\Users\Admin\fuoamuv.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:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\fuoamuv.exe

    Filesize

    60KB

    MD5

    b470f722d6a4a573279d96dc0e005d7a

    SHA1

    cc62ecdafe1ae40dcff8b273c80a70921df46260

    SHA256

    a21cf441379892113fa24c533b59ff6bd5f18f867fd8ed167bf6e13ebbc494c1

    SHA512

    86ff7c6a9ec6486449a532537a8a45827a408ecb274c4813236f88a4a587bf094739ba8a2ef165016aa45ca86783d57f5bc0c3428209c97930f6fc8fb8774bfd