Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 14:42

General

  • Target

    ff83f79bea49ecb9e50be865b2d18637_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    ff83f79bea49ecb9e50be865b2d18637

  • SHA1

    51c1bbc1fc3a120c917842f712024abddcaa3110

  • SHA256

    ceb9ceea86830340fb52745592812cad65c3876d2853e11431fd47155ac5a150

  • SHA512

    8076768f22f1de1618eaa7d29fd600423c9743cb0a49cb40ff35de3a939f67f5a4cbf9586ace029d62c0f0979cc11d831f3d92383dcbdf0b69d9101b02459ed5

  • SSDEEP

    3072:SA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAogo:SzIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff83f79bea49ecb9e50be865b2d18637_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4292
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff83f79bea49ecb9e50be865b2d18637_JaffaCakes118.dll,#1
      2⤵
        PID:1256
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 688
          3⤵
          • Program crash
          PID:4300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1256 -ip 1256
      1⤵
        PID:5104

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1256-0-0x00000000749D0000-0x0000000074A00000-memory.dmp
        Filesize

        192KB

      • memory/1256-1-0x0000000000FF0000-0x0000000000FF6000-memory.dmp
        Filesize

        24KB

      • memory/1256-2-0x00000000749D0000-0x0000000074A00000-memory.dmp
        Filesize

        192KB