Analysis

  • max time kernel
    148s
  • 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
    04-03-2024 21:48

General

  • Target

    b32f20aaff1cfa63f42af9a327e25f0d.dll

  • Size

    188KB

  • MD5

    b32f20aaff1cfa63f42af9a327e25f0d

  • SHA1

    e40008d288b3cfcd76516b738e430d9014158a94

  • SHA256

    3364507539c9d1b3f976174f03e4120d03e93602d895e9493a5bbed8e96e86b4

  • SHA512

    b6dd21d8c5e60226dc44700640b66289f23d2503f857bee58376c723b5e07865782e866f7a6916690e48b589e13300ec435958ff74e2d97ec189acbee3187828

  • SSDEEP

    3072:vA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoSo:vzIqATVfQeV2FZalKq6jtGJWuTmd

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\b32f20aaff1cfa63f42af9a327e25f0d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b32f20aaff1cfa63f42af9a327e25f0d.dll,#1
      2⤵
        PID:3236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 664
          3⤵
          • Program crash
          PID:4920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3236 -ip 3236
      1⤵
        PID:2152

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3236-0-0x0000000074B40000-0x0000000074B70000-memory.dmp

        Filesize

        192KB

      • memory/3236-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

        Filesize

        24KB