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Analysis

  • max time kernel
    160s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2024, 19:07

General

  • Target

    c422d4295343abe925c625ac3fd78be6.dll

  • Size

    188KB

  • MD5

    c422d4295343abe925c625ac3fd78be6

  • SHA1

    e9ccb3c8bac68bc3416ec21782600575bfca6c37

  • SHA256

    2ee3d16437e6d8347cc38f1a202b2f16223b6a8c0c9cd3eb27ea49aae963a8f8

  • SHA512

    56c27ca5371a341cc6c69761583b71c68a70c270f17a98ec274f25cb5aef7ae8a5911aa23b88be388ac95af8c99d7843189faa4a52e0679c1aa15465a48ecfc3

  • SSDEEP

    3072:xA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoGo:xzIqATVfQeV2FZalKq6jtGJWuTmd

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c422d4295343abe925c625ac3fd78be6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c422d4295343abe925c625ac3fd78be6.dll,#1
      2⤵
        PID:1220
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1220 -s 692
          3⤵
          • Program crash
          PID:5092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1220 -ip 1220
      1⤵
        PID:5044

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1220-0-0x00000000750C0000-0x00000000750F0000-memory.dmp

        Filesize

        192KB

      • memory/1220-1-0x0000000001440000-0x0000000001446000-memory.dmp

        Filesize

        24KB