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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 02:20

General

  • Target

    244e0b28d9e91fa189590f11ce2b3076_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    244e0b28d9e91fa189590f11ce2b3076

  • SHA1

    88ccdd0daae4a4df772121990c374ac6e2daeddc

  • SHA256

    65c33b54d58702345d035b495c7ee6e85c21722fa866c6d1a19b7625f05d7557

  • SHA512

    660c889453fe3ad8fcbb533ef4b0898d70c858f958ddff6e3577298a4b3e5f2ff030daf57f93804dda649a21193ff38be2ef38a0918112a07bf758442c52fd2c

  • SSDEEP

    1536:WV38iAuismywszLw0wF9MGM9K/oKtNgCMbA1bL3N+NM5UfONIjnZ0x:Wz/KLOM5FCnKx

Score
10/10

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 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\244e0b28d9e91fa189590f11ce2b3076_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\244e0b28d9e91fa189590f11ce2b3076_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\cozos.exe
      "C:\Users\Admin\cozos.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\cozos.exe

    Filesize

    100KB

    MD5

    1f4391918fe008e1879c402bc9c50f80

    SHA1

    a08293bbae3313804a608e74127a4504c4b93153

    SHA256

    119e65e8f8d0fe488cc6eaaf01b9ed16b87458dc9d527bd8cccabfbf09405a8d

    SHA512

    4d00b9efa9f660033584d1cec7fcf1dbd51e1f088fba83ba1e88d82d98d4bae46849929c9aef85d94e28df31257c0c9996f42fb9094ee2fb843e4df9f1568eb8