Analysis

  • max time kernel
    161s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 09:44

General

  • Target

    db501f895f9484778acee8cf9082bc4c.dll

  • Size

    188KB

  • MD5

    db501f895f9484778acee8cf9082bc4c

  • SHA1

    04be2c451e78326e1568302fe7a83d95c65ce4a9

  • SHA256

    236afa18e176b81eae8761d569c94b16cc681096b12080f5fd489a818c21a1a3

  • SHA512

    a2b2d4cb4f4725619d92768daecb3b60205b546dd5125867c012fa3c880ddb3d2f56f2e4daf4aa7e72e074c1ef4cc801b0cca047adf1b5b3744ace3bb4fbffbd

  • SSDEEP

    3072:qggIAiwo9/ULHR5ZnJAeoYrBiUckiJn62mTHuxpucxJQ:qggIAi1/+VJAM7cki02GOPx

Malware Config

Extracted

Family

dridex

Botnet

22203

C2

134.209.182.12:443

188.40.100.254:4664

103.109.247.9:10443

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\db501f895f9484778acee8cf9082bc4c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\db501f895f9484778acee8cf9082bc4c.dll,#1
      2⤵
        PID:2432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 656
          3⤵
          • Program crash
          PID:3312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2432 -ip 2432
      1⤵
        PID:4664

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2432-1-0x0000000075130000-0x0000000075160000-memory.dmp
        Filesize

        192KB

      • memory/2432-0-0x00000000010F0000-0x00000000010F6000-memory.dmp
        Filesize

        24KB

      • memory/2432-3-0x00000000010F0000-0x00000000010F6000-memory.dmp
        Filesize

        24KB