Analysis

  • max time kernel
    93s
  • max time network
    113s
  • 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 01:32

General

  • Target

    b0e4aeb6fe30a56452cc4bda87b5f3cf.dll

  • Size

    188KB

  • MD5

    b0e4aeb6fe30a56452cc4bda87b5f3cf

  • SHA1

    3919ee992bd8a0141444bd5f303e3f2ffde5ffa9

  • SHA256

    8b6af50c736ea07895f5e881a51bf5b26c533c739b187d4cf281ea6b61af553f

  • SHA512

    20635d834ee5dfd28da94be0c5d425fab86e28619e0a8a9968128e6ab4d054f744076db829577c005be21de5c7b5a4c37094e8a1519dabdad087bbd4ced0d6b2

  • SSDEEP

    3072:uA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:uzIqATVfQeV2FZalKq6jtGJWuTmd

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\b0e4aeb6fe30a56452cc4bda87b5f3cf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0e4aeb6fe30a56452cc4bda87b5f3cf.dll,#1
      2⤵
        PID:844
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 664
          3⤵
          • Program crash
          PID:4940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 844 -ip 844
      1⤵
        PID:2400

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/844-0-0x0000000075010000-0x0000000075040000-memory.dmp

        Filesize

        192KB

      • memory/844-1-0x0000000000A50000-0x0000000000A56000-memory.dmp

        Filesize

        24KB

      • memory/844-2-0x0000000075010000-0x0000000075040000-memory.dmp

        Filesize

        192KB