Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1244bba9e88a28920520c113951ec5c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1244bba9e88a28920520c113951ec5c.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 288
        3⤵
        • Program crash
        PID:2448

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2312-1-0x0000000075450000-0x0000000075480000-memory.dmp

    Filesize

    192KB

  • memory/2312-0-0x0000000000170000-0x0000000000176000-memory.dmp

    Filesize

    24KB