Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 01:04

General

  • Target

    b0d7ecf502625c6a27719ebb6b1b1a09.dll

  • Size

    188KB

  • MD5

    b0d7ecf502625c6a27719ebb6b1b1a09

  • SHA1

    c59bfb918a0152b15b71a799b6b24cc06a53565c

  • SHA256

    6592f2469a2d7bbcdae6e06d67ae83f49443ba7fe9f864320da8a7305e022359

  • SHA512

    143906dd9b9114bb483b8f92cfc55f89641e5ebfb6780d0cb865133aaf2de24758f1eb89dcd1d92d305783b690ca1dfaf22860d6ec3ae019b6539c9a916f2444

  • SSDEEP

    3072:/A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAovo:/zIqATVfQeV2FZalKq6jtGJWuTmd

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\b0d7ecf502625c6a27719ebb6b1b1a09.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0d7ecf502625c6a27719ebb6b1b1a09.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 308
        3⤵
        • Program crash
        PID:2820

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2748-0-0x0000000075390000-0x00000000753C0000-memory.dmp

    Filesize

    192KB

  • memory/2748-1-0x00000000001A0000-0x00000000001A6000-memory.dmp

    Filesize

    24KB

  • memory/2748-2-0x0000000075390000-0x00000000753C0000-memory.dmp

    Filesize

    192KB