Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-03-2024 01:36

General

  • Target

    affdec88c918eb631425b833b571ecb4.dll

  • Size

    188KB

  • MD5

    affdec88c918eb631425b833b571ecb4

  • SHA1

    4aef8615de5a72c99836c43f402d758cebffac14

  • SHA256

    3177167d1f10f4349308dccdfc6d4ff45d7d96d57ae69b8bd0a31e9179994e5b

  • SHA512

    ed90710587b1fd1f8ddf9f4baa991eb85e7b5b362cd6eb2b620e8876f5a4b1a2a72319d37d0e47b96ac56a3ed7e8b528b94bfd3ce5f9ad6978456cbbf2cecae9

  • SSDEEP

    3072:eA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAolo:ezIqATVfQeV2FZalKq6jtGJWuTmd

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\affdec88c918eb631425b833b571ecb4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\affdec88c918eb631425b833b571ecb4.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 300
        3⤵
        • Program crash
        PID:2928

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2232-0-0x0000000075310000-0x0000000075340000-memory.dmp

    Filesize

    192KB

  • memory/2232-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB

  • memory/2232-2-0x0000000075310000-0x0000000075340000-memory.dmp

    Filesize

    192KB