Analysis

  • max time kernel
    98s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 12:25

General

  • Target

    d8cc63aeda93b1f903b4f2624aa2187b.dll

  • Size

    184KB

  • MD5

    d8cc63aeda93b1f903b4f2624aa2187b

  • SHA1

    1e7ae7167c3a6c66a1334df50308e9183eb2d62c

  • SHA256

    99478dc8e12a1df570761f40394c9d7c371ce376cd26a2e3839e5d531d0d1257

  • SHA512

    c887d3144c658af07752b98473cc0b906f15cbe8f9f08c2bf847def4883bb51e293b50aa1e837a899fe527b0378bf59b0e2ee1b6637483cb268d9f1cc58f6739

  • SSDEEP

    3072:dhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J0VQcY:d3fOeIv54W6SFKfc9me9v9/J0V

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

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\d8cc63aeda93b1f903b4f2624aa2187b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8cc63aeda93b1f903b4f2624aa2187b.dll,#1
      2⤵
        PID:4516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 668
          3⤵
          • Program crash
          PID:744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4516 -ip 4516
      1⤵
        PID:208

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4516-0-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

        Filesize

        24KB

      • memory/4516-1-0x0000000074C80000-0x0000000074CB0000-memory.dmp

        Filesize

        192KB