Analysis

  • max time kernel
    144s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-03-2024 04:38

General

  • Target

    b05900afd64c21e09b66a2c1a664e85e.dll

  • Size

    188KB

  • MD5

    b05900afd64c21e09b66a2c1a664e85e

  • SHA1

    76883ec13774398bc08fdced3c3ee2b5fabe75a1

  • SHA256

    e5e8ab3d1b4d8d5c95f5f35e140765d3e55c9523ba2fb8249a93075c99c64ab2

  • SHA512

    ec901ec9d68ffdd1431cf8f79b3075652400cfdb5fa3116dbfb70419ed31fe24d976ce5dee4efd2cf4d99d929dce948b7bc6e012b34cfa335553a0033bc367a2

  • SSDEEP

    3072:zA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo5o:zzIqATVfQeV2FZalKq6jtGJWuTmd

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\b05900afd64c21e09b66a2c1a664e85e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b05900afd64c21e09b66a2c1a664e85e.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 308
        3⤵
        • Program crash
        PID:2172

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2940-0-0x00000000752C0000-0x00000000752F0000-memory.dmp

    Filesize

    192KB

  • memory/2940-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB