Analysis

  • max time kernel
    141s
  • 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 08:14

General

  • Target

    b1a3013cfc5071536af5b10a92d05e8e.dll

  • Size

    188KB

  • MD5

    b1a3013cfc5071536af5b10a92d05e8e

  • SHA1

    ec0d479fe5e46737b96894d65aa8cf0b210a3e13

  • SHA256

    ed2e3b863441c1df52fbd8221c443b28a513073572efccd1acaeaed56cac62c2

  • SHA512

    05c065e1ee6363aa3be4a7adca67210f0a2dbaf16a950b91d3a5896f30336ce41bd9aee491f1cc77cbd2209ac8588faeae59a6c1d7dfe9e2a738f1757a23e108

  • SSDEEP

    3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo2o:FzIqATVfQeV2FZalKq6jtGJWuTmd

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\b1a3013cfc5071536af5b10a92d05e8e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a3013cfc5071536af5b10a92d05e8e.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 300
        3⤵
        • Program crash
        PID:2556

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2192-0-0x0000000074ED0000-0x0000000074F00000-memory.dmp

    Filesize

    192KB

  • memory/2192-1-0x0000000000220000-0x0000000000226000-memory.dmp

    Filesize

    24KB