Analysis

  • max time kernel
    153s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 23:38

General

  • Target

    54e52cb4e2dbba1b1f3fa238edc71669.dll

  • Size

    188KB

  • MD5

    54e52cb4e2dbba1b1f3fa238edc71669

  • SHA1

    403dbadc9204284b2ab0bf3d6c919ff0b9146619

  • SHA256

    ef36b52c893e9076f032917cbf9dfcb931bc7b02b6868368a58f665f91710f13

  • SHA512

    a6e05e29ac1308e2124e71559ba542bd749e2d03776cfeac85b351cdf8256667a0962943c16b295094be2191d261e1964fda99d0659b4ba5afb0976b91ff9d08

  • SSDEEP

    3072:6A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoDo:6zIqATVfQeV2FZalKq6jtGJWuTmd

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\54e52cb4e2dbba1b1f3fa238edc71669.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\54e52cb4e2dbba1b1f3fa238edc71669.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 308
        3⤵
        • Program crash
        PID:2700

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2400-0-0x0000000075220000-0x0000000075250000-memory.dmp

          Filesize

          192KB

        • memory/2400-1-0x0000000000150000-0x0000000000156000-memory.dmp

          Filesize

          24KB

        • memory/2400-2-0x0000000075220000-0x0000000075250000-memory.dmp

          Filesize

          192KB