Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2024 15:10

General

  • Target

    d66dad08bb2c94733645c7ffdb33a14c.dll

  • Size

    188KB

  • MD5

    d66dad08bb2c94733645c7ffdb33a14c

  • SHA1

    dcb4ca90a55d69e440daca9c85a08014f5066eb0

  • SHA256

    ba5f09006906dd8b36a5264a3e169a1c17f85bb521267959fb4c3834f9105644

  • SHA512

    c3e9b9b6412d1460f73f83466b8e2840c605642ab1829b03ab07cb314e4c4d9f11509f3edec0e661a60d473a15e8481a01071cb737872e9ee7ec60c403707a39

  • SSDEEP

    3072:fA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo/o:fzIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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\d66dad08bb2c94733645c7ffdb33a14c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d66dad08bb2c94733645c7ffdb33a14c.dll,#1
      2⤵
        PID:2240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 688
          3⤵
          • Program crash
          PID:4788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2240 -ip 2240
      1⤵
        PID:1860

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2240-0-0x00000000752B0000-0x00000000752E0000-memory.dmp

        Filesize

        192KB

      • memory/2240-1-0x0000000001290000-0x0000000001296000-memory.dmp

        Filesize

        24KB