Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-03-2024 03:51

General

  • Target

    c4e66c470a3306214d84d0f428d5ba4d.dll

  • Size

    188KB

  • MD5

    c4e66c470a3306214d84d0f428d5ba4d

  • SHA1

    501c9d08c0f2e55f6eb8879ec773f6f7575c5aab

  • SHA256

    3d5b6095910f5b302ea11bf1dfffe25313bd07ba2b00d3f97bb509eea8257cdb

  • SHA512

    af2df70058726f0d6448e400adfff2e5518e23f590a78c874a8a59814cd7d742ce2e31b017d089441ce28e56435303309538f30f0031f2b9ef4b9a4886e23b9d

  • SSDEEP

    3072:VA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAomo:VzIqATVfQeV2FZalKq6jtGJWuTmd

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\c4e66c470a3306214d84d0f428d5ba4d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4e66c470a3306214d84d0f428d5ba4d.dll,#1
      2⤵
        PID:392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 696
          3⤵
          • Program crash
          PID:4140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 392 -ip 392
      1⤵
        PID:1992

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/392-0-0x0000000000980000-0x0000000000986000-memory.dmp

        Filesize

        24KB

      • memory/392-1-0x0000000075230000-0x0000000075260000-memory.dmp

        Filesize

        192KB

      • memory/392-4-0x0000000000980000-0x0000000000986000-memory.dmp

        Filesize

        24KB