Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2024 02:26

General

  • Target

    b0fe6088ebebc1ae59c7b15d4f8ab09e.dll

  • Size

    184KB

  • MD5

    b0fe6088ebebc1ae59c7b15d4f8ab09e

  • SHA1

    f6940086915a3fb0dfb24e6dbf242f69b01cf5ce

  • SHA256

    56b1fcf8175e6a37585f7f72c55f7d6bbcaa5af54287a6bd94cdecc26f9dd629

  • SHA512

    8ad1dba58a306fa73e084da2e44083155a7680f4312f26af2b744f822626e72e764d13bb75a8276f6a327b8bc470bb57401d0055e44586565365c65489407acd

  • SSDEEP

    3072:Nhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JJVQcY:N3fOeIv54W6SFKfc9me9v9/JJV

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\b0fe6088ebebc1ae59c7b15d4f8ab09e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4292
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0fe6088ebebc1ae59c7b15d4f8ab09e.dll,#1
      2⤵
        PID:3296
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3296 -s 668
          3⤵
          • Program crash
          PID:3812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3296 -ip 3296
      1⤵
        PID:1192

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3296-0-0x0000000075270000-0x00000000752A0000-memory.dmp

        Filesize

        192KB

      • memory/3296-1-0x00000000013A0000-0x00000000013A6000-memory.dmp

        Filesize

        24KB