Analysis

  • max time kernel
    147s
  • max time network
    154s
  • 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 03:47

General

  • Target

    b1244bba9e88a28920520c113951ec5c.dll

  • Size

    184KB

  • MD5

    b1244bba9e88a28920520c113951ec5c

  • SHA1

    ee11094532275bc6baba73b43cabe309796e8c46

  • SHA256

    a6ce338e74ea732efe64b5c8707c24bb68ef353c8319305ff852edfe22903df7

  • SHA512

    996089c473c95a020a59ab5b3bf4bf4c43bc052f524d6f85877a2331625b55699c9db4c0a81d22708c378b303675fbe89236b34107748c70e91b5eb67c0da387

  • SSDEEP

    3072:ahd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J6VQcY:a3fOeIv54W6SFKfc9me9v9/J6V

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\b1244bba9e88a28920520c113951ec5c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1244bba9e88a28920520c113951ec5c.dll,#1
      2⤵
        PID:2336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 668
          3⤵
          • Program crash
          PID:4828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2336 -ip 2336
      1⤵
        PID:4352

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2336-0-0x0000000074A00000-0x0000000074A30000-memory.dmp

        Filesize

        192KB

      • memory/2336-1-0x00000000025E0000-0x00000000025E6000-memory.dmp

        Filesize

        24KB