Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2024 07:47

General

  • Target

    7f490bf83ce3f2d56645d74c1b26b6b0.dll

  • Size

    184KB

  • MD5

    7f490bf83ce3f2d56645d74c1b26b6b0

  • SHA1

    5f1a2e6645aba66fd1141092aaa1556e475aaf57

  • SHA256

    a03e9f1b88334a7562d6546d9716815767d14cf4ff7a1fcf194b54a00ed8f729

  • SHA512

    6005d6ded063c5669e310c46b85e22cdc6a5d1aedeb4f6c11ec0328c5479648303651ab5b974b23301d5d6f3af84d782ebec382d156766d38a9c86b97dc9d9b0

  • SSDEEP

    3072:Bhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JGVQcY:B3fOeIv54W6SFKfc9me9v9/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\7f490bf83ce3f2d56645d74c1b26b6b0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f490bf83ce3f2d56645d74c1b26b6b0.dll,#1
      2⤵
        PID:1932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 668
          3⤵
          • Program crash
          PID:996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1932 -ip 1932
      1⤵
        PID:4964

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1932-0-0x00000000749C0000-0x00000000749F0000-memory.dmp

        Filesize

        192KB

      • memory/1932-1-0x0000000002D40000-0x0000000002D46000-memory.dmp

        Filesize

        24KB