Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-03-2024 01:26

General

  • Target

    b36d3e6810ca49ac83ff8ac03e86944e.dll

  • Size

    188KB

  • MD5

    b36d3e6810ca49ac83ff8ac03e86944e

  • SHA1

    5d4e932a673ac8ac915a76f35deb4fa6889d9089

  • SHA256

    8c6a797b103fed118c9b478e27a814da8fb5f7950f3d3526da6b48a6b8a218f3

  • SHA512

    685a0aff80796a679b868a0962ab2aa55899963b7ea678c7d28287771aaae6595116508b6858782e0d02adda113e47a2d31f8622b865c7b06ae2c860cf40bb69

  • SSDEEP

    3072:2A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoBo:2zIqATVfQeV2FZalKq6jtGJWuTmd

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\b36d3e6810ca49ac83ff8ac03e86944e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b36d3e6810ca49ac83ff8ac03e86944e.dll,#1
      2⤵
        PID:2996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 692
          3⤵
          • Program crash
          PID:544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2996 -ip 2996
      1⤵
        PID:4868

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2996-1-0x00000000028A0000-0x00000000028A6000-memory.dmp

        Filesize

        24KB

      • memory/2996-0-0x0000000074E90000-0x0000000074EC0000-memory.dmp

        Filesize

        192KB