Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 19:24

General

  • Target

    dfea8f212cb8e673279674d9662d064f.dll

  • Size

    188KB

  • MD5

    dfea8f212cb8e673279674d9662d064f

  • SHA1

    509e867bf4e9d62b94c563771d8588bb4d43e4b3

  • SHA256

    20021dec8c17fa576620524f1eb08a3a80ccbb29b52b2f1644b995360164531d

  • SHA512

    c4aa02ff0f12998842141cb8111695e37d209804c33bb9e0fd57c41cfc62cefa55f7bbd1f0174acf394869f64938f7f7799e0bcc5bb75da633ddfc87581c2216

  • SSDEEP

    3072:m1A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoqo:4zIqATVfQeV2FZalKq6jtGJWuTmd

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\dfea8f212cb8e673279674d9662d064f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfea8f212cb8e673279674d9662d064f.dll,#1
      2⤵
        PID:800
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 800 -s 688
          3⤵
          • Program crash
          PID:972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 800 -ip 800
      1⤵
        PID:4224

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/800-0-0x0000000075530000-0x0000000075560000-memory.dmp
        Filesize

        192KB

      • memory/800-1-0x0000000000A30000-0x0000000000A36000-memory.dmp
        Filesize

        24KB