Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    05-03-2024 02:15

General

  • Target

    b384401b9bf9e661a40425524c82ef41.dll

  • Size

    188KB

  • MD5

    b384401b9bf9e661a40425524c82ef41

  • SHA1

    aa77fb4bebdc8b99da4ba565466cabeb970e372c

  • SHA256

    a644371754110f018327556967366c80084d8d6ea3d7dbc278a231f54f489398

  • SHA512

    653535c522e084d09f0155eb10358e7f84272159b5a073483754425e9d52094a60f00c3b9f7d894c9fad2595ae3ef59c2b08a7044a9b64876f4a20ec076755de

  • SSDEEP

    3072:3A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo/o:3zIqATVfQeV2FZalKq6jtGJWuTmd

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b384401b9bf9e661a40425524c82ef41.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b384401b9bf9e661a40425524c82ef41.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 300
        3⤵
        • Program crash
        PID:2980

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2272-0-0x0000000074980000-0x00000000749B0000-memory.dmp

    Filesize

    192KB

  • memory/2272-1-0x0000000074980000-0x00000000749B0000-memory.dmp

    Filesize

    192KB

  • memory/2272-2-0x0000000000180000-0x0000000000186000-memory.dmp

    Filesize

    24KB