Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    03-03-2024 23:27

General

  • Target

    b0a8384d3b05180bc8a43372c22e85ec.dll

  • Size

    188KB

  • MD5

    b0a8384d3b05180bc8a43372c22e85ec

  • SHA1

    67e957e8538936058ac5307edc7f2acb987ad6bf

  • SHA256

    8063249cbf62f80e403e4f8d387544349a9648ef3a363332e274946a9c398101

  • SHA512

    70b1ad845037712f66dbfad7a4a2aef2c3dde941a57bebc36e5eb6eb30a4fdd3201d01f59efe56adf9643285feac09002bffd975669acfdaf758c1d68d4e6e47

  • SSDEEP

    3072:OA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoRo:OzIqATVfQeV2FZalKq6jtGJWuTmd

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\b0a8384d3b05180bc8a43372c22e85ec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0a8384d3b05180bc8a43372c22e85ec.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 300
        3⤵
        • Program crash
        PID:1988

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2156-0-0x0000000074E20000-0x0000000074E50000-memory.dmp

    Filesize

    192KB

  • memory/2156-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB