Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 14:57

General

  • Target

    e1f150f0fdd7419dc1c4b7f023000681.dll

  • Size

    188KB

  • MD5

    e1f150f0fdd7419dc1c4b7f023000681

  • SHA1

    cfe0d0f2cc45b721f66477cbd5c6a52bab1b2bd1

  • SHA256

    9a999803fce15ce9d7748476b62f427f3d539025fbeedd388edca4f6ce0d0626

  • SHA512

    548496941615d9b6b364ff9d9d077fc6aa0b1b779d72b840b788424f435905eef2268c6bd41bec7a66926e467ccdc7d253bbe2a1cc33e1eeae6dd7c9b3e24533

  • SSDEEP

    3072:7A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoDo:7zIqATVfQeV2FZalKq6jtGJWuTmd

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\e1f150f0fdd7419dc1c4b7f023000681.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1f150f0fdd7419dc1c4b7f023000681.dll,#1
      2⤵
        PID:784
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 696
          3⤵
          • Program crash
          PID:1756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 784 -ip 784
      1⤵
        PID:1968

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/784-0-0x0000000075330000-0x0000000075360000-memory.dmp
        Filesize

        192KB

      • memory/784-1-0x0000000002C60000-0x0000000002C66000-memory.dmp
        Filesize

        24KB