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
    27-03-2024 08:21

General

  • Target

    e136d4d1c2c2ed94313ef5c49b109635.dll

  • Size

    188KB

  • MD5

    e136d4d1c2c2ed94313ef5c49b109635

  • SHA1

    c04803b16f095088a05f605dc2a161baa87a3b51

  • SHA256

    aa6af241ed34db581791bf1914fa18289cec72b2be80ad4bab0169cc2b16083b

  • SHA512

    39f2f225cfc2bcdc0c1da7fa84236f928800c181049073af0a5d370e89bca310a76e37b21d8799dfe473c089eb029f1df14786b087c7706de0652e650d77c6ef

  • SSDEEP

    3072:iA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoxo:izIqATVfQeV2FZalKq6jtGJWuTmd

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\e136d4d1c2c2ed94313ef5c49b109635.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e136d4d1c2c2ed94313ef5c49b109635.dll,#1
      2⤵
        PID:2316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 688
          3⤵
          • Program crash
          PID:1560
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2316 -ip 2316
      1⤵
        PID:2220

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2316-0-0x0000000075640000-0x0000000075670000-memory.dmp
        Filesize

        192KB

      • memory/2316-1-0x0000000000D20000-0x0000000000D26000-memory.dmp
        Filesize

        24KB