Analysis

  • max time kernel
    102s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 12:01

General

  • Target

    Trojan.Win32.Dridex.SM.dll

  • Size

    188KB

  • MD5

    8a20bf03c6f6d61273ae786a520ea060

  • SHA1

    6a08b4e23e191b2442a6d6579ae6dc5bf2660d2c

  • SHA256

    a57af9eef729f33f4137775c7d0f76fe43165015fa29fdb8bbc41a56f5f4c3ce

  • SHA512

    f6c0018fcaf6cdc075742d696c4d2ae67d0d73c240b5c8a57c939560fe8539c2335218cef0a7897499686a9c26b81244f8cbf09e504a167c9d06cc625b553792

  • SSDEEP

    3072:lteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzq9qM:hq7fYIHBZkTB6DWruUCOwjt

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Dridex.SM.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Dridex.SM.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1384
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 692
        3⤵
        • Program crash
        PID:4828
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1384 -ip 1384
    1⤵
      PID:3408

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1384-0-0x0000000075070000-0x00000000750A0000-memory.dmp

      Filesize

      192KB

    • memory/1384-2-0x0000000000470000-0x0000000000476000-memory.dmp

      Filesize

      24KB