Analysis

  • max time kernel
    138s
  • 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 20:17

General

  • Target

    b3066fd0b804b7ddce1609da2294e8cd.dll

  • Size

    188KB

  • MD5

    b3066fd0b804b7ddce1609da2294e8cd

  • SHA1

    11c76f27f65b14fcc14c2d31a00b5cb8bddc3a40

  • SHA256

    d503c502518a419d103221cf7cd8387424ef00bbe47c533a3521de555f40cfb3

  • SHA512

    3c927b38d0536faac56b0978d85501f51726fc9498f73eefb8ed24ec7f7e5c1f364a85273cb4946715b06ebd1ff6da381b7d0869ac2f185eabc55cc71c300e71

  • SSDEEP

    3072:iA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo5o:izIqATVfQeV2FZalKq6jtGJWuTmd

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\b3066fd0b804b7ddce1609da2294e8cd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3066fd0b804b7ddce1609da2294e8cd.dll,#1
      2⤵
        PID:1480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 664
          3⤵
          • Program crash
          PID:2868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1480 -ip 1480
      1⤵
        PID:2576

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1480-0-0x0000000075550000-0x0000000075580000-memory.dmp

        Filesize

        192KB

      • memory/1480-1-0x0000000000790000-0x0000000000796000-memory.dmp

        Filesize

        24KB