Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-03-2024 13:52

General

  • Target

    de29b0b70017a6201969ce93b9214a33.dll

  • Size

    188KB

  • MD5

    de29b0b70017a6201969ce93b9214a33

  • SHA1

    76d31a26c2e274173fcccccc5e5eadf90730d662

  • SHA256

    9a505140c8bc2c078283fcca2f49e972f6fb33da514e578136cc84b3cb17b0e3

  • SHA512

    bb449bf33ca883ddfb1fcd6d31f3b7c625e21f940f4f09cbdd67b6fa017a9d771694a4074d7fb8d1abbd5d37a196d1f293138602cdd27067a6df3c6b7d2372c5

  • SSDEEP

    3072:gA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo0o:gzIqATVfQeV2FZalKq6jtGJWuTmd

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\de29b0b70017a6201969ce93b9214a33.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3308
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\de29b0b70017a6201969ce93b9214a33.dll,#1
      2⤵
        PID:1444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 692
          3⤵
          • Program crash
          PID:3300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1444 -ip 1444
      1⤵
        PID:3332

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1444-0-0x0000000074A40000-0x0000000074A70000-memory.dmp
        Filesize

        192KB

      • memory/1444-1-0x0000000000640000-0x0000000000646000-memory.dmp
        Filesize

        24KB