Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 20:50

General

  • Target

    b313f2ad71e89fcf90977ace0d2c09f1.dll

  • Size

    188KB

  • MD5

    b313f2ad71e89fcf90977ace0d2c09f1

  • SHA1

    a263f11fc9f560ff73b38545fc8bd68ea01f5ec0

  • SHA256

    bb465907bf57c1fe6ff0308ccd5f0a1a04b3a57a808ce13ec5eedc64675dc225

  • SHA512

    3e12dfa673f10893f20241c1d02c7b02e0f7b5537ea24d9a4638d2c5f6f91e099e77deb316edeac618bf2fb522800042aa8f8aa98ef8ca03dfc22887148f053b

  • SSDEEP

    3072:0A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoao:0zIqATVfQeV2FZalKq6jtGJWuTmd

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b313f2ad71e89fcf90977ace0d2c09f1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b313f2ad71e89fcf90977ace0d2c09f1.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 300
        3⤵
        • Program crash
        PID:2996

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1516-0-0x0000000074FA0000-0x0000000074FD0000-memory.dmp

    Filesize

    192KB

  • memory/1516-1-0x00000000000E0000-0x00000000000E6000-memory.dmp

    Filesize

    24KB