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Analysis

  • max time kernel
    155s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2024, 11:49

General

  • Target

    10c00e9f0b0bc101ec6b6ea9e2e9b2a3.dll

  • Size

    188KB

  • MD5

    10c00e9f0b0bc101ec6b6ea9e2e9b2a3

  • SHA1

    9c6627d45feeb2cba9a9b09d95f84c4324cfbab0

  • SHA256

    f33a6e23e8eba2eb8f2a5a1a6bab5b760b9dbd950d60bd66a9decd6a0e777832

  • SHA512

    c81a214ad32569ba5b01ea5a875727277d2d9bde19755625bdf9adbf4d7c372e3a35a6a3957533f9194b8e037533340a14a7c371eeca10e70ba040c7d1a362c7

  • SSDEEP

    3072:3A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo8o:3zIqATVfQeV2FZalKq6jtGJWuTmd

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\10c00e9f0b0bc101ec6b6ea9e2e9b2a3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\10c00e9f0b0bc101ec6b6ea9e2e9b2a3.dll,#1
      2⤵
        PID:2728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 692
          3⤵
          • Program crash
          PID:1756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2728 -ip 2728
      1⤵
        PID:3864

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2728-0-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

        Filesize

        24KB

      • memory/2728-1-0x0000000074C90000-0x0000000074CC0000-memory.dmp

        Filesize

        192KB

      • memory/2728-5-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

        Filesize

        24KB