Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 19:16

General

  • Target

    d999440094ce13be07389638d82c745a.dll

  • Size

    188KB

  • MD5

    d999440094ce13be07389638d82c745a

  • SHA1

    a030b1074b2739dadcb2cc43174fca3e16dad8f8

  • SHA256

    8aec65ccb76854cbadc8c0fe77dda563a1a5f3eff7c99aba766a931814a6c795

  • SHA512

    886a66bc0fb50917411b6389153ffa48071bc27696ec28b0fe14201fd5ff220b5f3e737cec6e99940c55db5a332632edaf1d53b7ce02308f85c8f7d6ac2d99f1

  • SSDEEP

    3072:CA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo:CzIqATVfQeV2FZalKq6jtGJWuTmd

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d999440094ce13be07389638d82c745a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d999440094ce13be07389638d82c745a.dll,#1
      2⤵
        PID:944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 944 -s 688
          3⤵
          • Program crash
          PID:5068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 944 -ip 944
      1⤵
        PID:2144

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/944-1-0x0000000074F10000-0x0000000074F40000-memory.dmp
        Filesize

        192KB

      • memory/944-0-0x0000000002580000-0x0000000002586000-memory.dmp
        Filesize

        24KB

      • memory/944-2-0x0000000074F10000-0x0000000074F40000-memory.dmp
        Filesize

        192KB

      • memory/944-3-0x0000000002580000-0x0000000002586000-memory.dmp
        Filesize

        24KB