Analysis

  • max time kernel
    173s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 16:01

General

  • Target

    d934eafdf485205e38d848624cc56810.dll

  • Size

    188KB

  • MD5

    d934eafdf485205e38d848624cc56810

  • SHA1

    859c50e645d0f900fb301ebbcdbbbcc7f103e7dc

  • SHA256

    3087f0ed5ffda7673063098ccca9edb3fd4c39ec44018c2f4a7219db0c9a05ee

  • SHA512

    6129833cdaad66bb1b539a7b1888190d5a590792169990d4cf11af1904e4693274d00c8fa6efa48a744d2b3bf135a34afa2aa90c62f390d699df12d8c7e11b5c

  • SSDEEP

    3072:ZA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAovo:ZzIqATVfQeV2FZalKq6jtGJWuTmd

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\d934eafdf485205e38d848624cc56810.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d934eafdf485205e38d848624cc56810.dll,#1
      2⤵
        PID:3144
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 692
          3⤵
          • Program crash
          PID:3668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3144 -ip 3144
      1⤵
        PID:3436

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3144-0-0x0000000000800000-0x0000000000806000-memory.dmp

        Filesize

        24KB

      • memory/3144-1-0x0000000074DF0000-0x0000000074E20000-memory.dmp

        Filesize

        192KB

      • memory/3144-4-0x0000000000800000-0x0000000000806000-memory.dmp

        Filesize

        24KB