Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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 01:16

General

  • Target

    b0de1f44b929c83cb3e43cfc874ea75d.dll

  • Size

    188KB

  • MD5

    b0de1f44b929c83cb3e43cfc874ea75d

  • SHA1

    e857edc44e964dba69abbd65ae4c262809b32aa0

  • SHA256

    293d404dd5c387201215523c1a9f16e2b0c69cf4c02844d66ccee4d620eea826

  • SHA512

    f692a82e5d7a83a2a0675aba9ad0ffb0a16efad0314be1a2721bda0e6aca557c97227aad73f20ef4ab32ca262b65b18f82cdc1629d5236277f81ca2663e5f45c

  • SSDEEP

    3072:ZA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoNo:ZzIqATVfQeV2FZalKq6jtGJWuTmd

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\b0de1f44b929c83cb3e43cfc874ea75d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0de1f44b929c83cb3e43cfc874ea75d.dll,#1
      2⤵
        PID:4352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 688
          3⤵
          • Program crash
          PID:3840
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4352 -ip 4352
      1⤵
        PID:4584

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4352-0-0x0000000074AC0000-0x0000000074AF0000-memory.dmp

        Filesize

        192KB

      • memory/4352-1-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

        Filesize

        24KB

      • memory/4352-2-0x0000000074AC0000-0x0000000074AF0000-memory.dmp

        Filesize

        192KB