Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 00:12

General

  • Target

    2e5433a7d3941d7aef2074ce657a8848_JaffaCakes118.exe

  • Size

    204KB

  • MD5

    2e5433a7d3941d7aef2074ce657a8848

  • SHA1

    721c8180825cae1fc43d6f05e96bd636c1144496

  • SHA256

    eb58d1942100a18271cea6d5d1828423c5176adb92954540af363122229a496e

  • SHA512

    c47975d7b82129391ef5c0bfe9c3290078b1d0d55934484156d23d5f4cce97850eecd694cc805256bfcc1d87a8d6ca75cb8d10ef91e85e0d7dc28abe6bacd11e

  • SSDEEP

    1536:u9wpO3NgZyNM9MfXuLKehdG4y0T2iSk6lCbQ6jlTpKwuqCNQRrnkX+ZxlSADkPCq:C53N2pdG4y0ai7p/lTpX3ZCH

Score
10/10

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 51 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e5433a7d3941d7aef2074ce657a8848_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2e5433a7d3941d7aef2074ce657a8848_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3688
    • C:\Users\Admin\niuawil.exe
      "C:\Users\Admin\niuawil.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
      • Suspicious use of WriteProcessMemory
      PID:1908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\niuawil.exe

    Filesize

    204KB

    MD5

    024837d72045cd05e6f6b796dc6735c3

    SHA1

    63c1a1c2cf45476da7ccd0970b90ff5971b6583b

    SHA256

    bc4b7ba4b7e1951483095a683013d18af3f3396ddb467dfb1480460f782ca95e

    SHA512

    fcb8d259c836faf789adf03ec4fb02fc68b322bcedd8607f02c2add746bcd21c95245ff18bf475b1bc05a2162e860069c59ab13b3479faae331e3f5fb03f70e6