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Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 06:56

General

  • Target

    2c6c41e4f9ba9effa1d0553d93e20476.dll

  • Size

    184KB

  • MD5

    2c6c41e4f9ba9effa1d0553d93e20476

  • SHA1

    e6461bbd6953fcc5062fa4ca0731ab55575c8d4a

  • SHA256

    55f1d78598c1bfa07b6ce1c6f7d0ab69e1bae8a4f74f6855499943bead427b6e

  • SHA512

    2f6e6d5a44aca80122b47a0f133d84c2fd83de662c11435180bdb17320eabb5ac8843274fa43f6fd24964d9315a597061793c9949d8342e40f98aed009711b55

  • SSDEEP

    3072:0hd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JbVQcY:03fOeIv54W6SFKfc9me9v9/JbV

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\2c6c41e4f9ba9effa1d0553d93e20476.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c6c41e4f9ba9effa1d0553d93e20476.dll,#1
      2⤵
        PID:4200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 676
          3⤵
          • Program crash
          PID:4532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4200 -ip 4200
      1⤵
        PID:1536

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4200-0-0x0000000075340000-0x0000000075370000-memory.dmp

        Filesize

        192KB

      • memory/4200-2-0x0000000002570000-0x0000000002576000-memory.dmp

        Filesize

        24KB