Analysis

  • max time kernel
    143s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-03-2024 21:43

General

  • Target

    b0789f03524108e4f7d75f9978c41ee2.dll

  • Size

    188KB

  • MD5

    b0789f03524108e4f7d75f9978c41ee2

  • SHA1

    d8532a3b3fff670127ec962ab778b6674fa2f488

  • SHA256

    75489d587b36cf02d3de731eeb56b57e198eea4cbee5631567e642e838d9a050

  • SHA512

    fe445d1c7172baa737bcea61bc8dc5fcd8dbf35c23a4ca8b1ef0cb8b9ed2a74ba14a485139256598696ac9ab3cf3abb04163d460b74eea892fd8cb52e7639f38

  • SSDEEP

    3072:OA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoWo:OzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 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\b0789f03524108e4f7d75f9978c41ee2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0789f03524108e4f7d75f9978c41ee2.dll,#1
      2⤵
        PID:3852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 688
          3⤵
          • Program crash
          PID:4400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3852 -ip 3852
      1⤵
        PID:4692

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3852-0-0x0000000075270000-0x00000000752A0000-memory.dmp

        Filesize

        192KB

      • memory/3852-1-0x0000000000640000-0x0000000000646000-memory.dmp

        Filesize

        24KB

      • memory/3852-2-0x0000000075270000-0x00000000752A0000-memory.dmp

        Filesize

        192KB