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Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2024, 19:06

General

  • Target

    782691207b9a6529fd0c572c32d959c0.dll

  • Size

    184KB

  • MD5

    782691207b9a6529fd0c572c32d959c0

  • SHA1

    8eb67b51ae3787792dcf0c55e9498149e28b1ca7

  • SHA256

    5ced6c3a2c7ba84d98b2948c8e486a465acfebc0427d40a5d5c6b513aa74cdd7

  • SHA512

    ff88e7342946aaf17799cb96d3c19591360f4cd7771271889cd5cbd16e6126f779f337a5e5384dba7cf413d5cedf076fe9254f1678590cbaa07330ebc9819db3

  • SSDEEP

    3072:3hd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JUVQcY:33fOeIv54W6SFKfc9me9v9/JUV

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\782691207b9a6529fd0c572c32d959c0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\782691207b9a6529fd0c572c32d959c0.dll,#1
      2⤵
        PID:4956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 668
          3⤵
          • Program crash
          PID:1328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4956 -ip 4956
      1⤵
        PID:4284

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4956-0-0x00000000008F0000-0x00000000008F6000-memory.dmp

        Filesize

        24KB

      • memory/4956-1-0x0000000074F10000-0x0000000074F40000-memory.dmp

        Filesize

        192KB

      • memory/4956-3-0x00000000008F0000-0x00000000008F6000-memory.dmp

        Filesize

        24KB