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
    27-03-2024 15:54

General

  • Target

    e20bd78da4e94366126269c932de9657.dll

  • Size

    184KB

  • MD5

    e20bd78da4e94366126269c932de9657

  • SHA1

    11a56337605e2bb55c6eb742048a96b5e9ba7258

  • SHA256

    fbbbb137be7af7f257c113a996f5d75293006cde041eb80c6fe14002266f473e

  • SHA512

    7b03c5484d31a9cc7409b3dcc2d0148b6316759eb638ba1c454b204f2140d520a72c49dde5d715007281362ff6b57932ec5f5f20cf37bdeaedc4a1847f3b20a3

  • SSDEEP

    3072:mhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JGVQcY:m3fOeIv54W6SFKfc9me9v9/JGV

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\e20bd78da4e94366126269c932de9657.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e20bd78da4e94366126269c932de9657.dll,#1
      2⤵
        PID:3504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 668
          3⤵
          • Program crash
          PID:5064
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3504 -ip 3504
      1⤵
        PID:3708

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3504-0-0x00000000752A0000-0x00000000752D0000-memory.dmp
        Filesize

        192KB

      • memory/3504-1-0x0000000000770000-0x0000000000776000-memory.dmp
        Filesize

        24KB