Analysis

  • max time kernel
    139s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2024 16:28

General

  • Target

    b296312eb096bbd571f4064c13c96335.dll

  • Size

    188KB

  • MD5

    b296312eb096bbd571f4064c13c96335

  • SHA1

    ffb632ea5045aa317c8bb866d1e392bf01b12ab6

  • SHA256

    a88918c5ec33af85095aa366cc9b0d0d77950cd13db6e9d3e140414992a3dfef

  • SHA512

    53dbc80da0ae9af1d9fc9db52743a30666f0c5027495e6d8f9ada605782c1857d579817e23d4ad884e9a75ac6f25437760d254bca8c8691c806536fc633e84ea

  • SSDEEP

    3072:sA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo2o: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 1 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\b296312eb096bbd571f4064c13c96335.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4736
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b296312eb096bbd571f4064c13c96335.dll,#1
      2⤵
        PID:3076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 688
          3⤵
          • Program crash
          PID:788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3076 -ip 3076
      1⤵
        PID:4372

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3076-0-0x0000000075420000-0x0000000075450000-memory.dmp

        Filesize

        192KB

      • memory/3076-1-0x0000000001150000-0x0000000001156000-memory.dmp

        Filesize

        24KB