Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 12:36

General

  • Target

    fcc85101cf2a91cd7b893025d444939c_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    fcc85101cf2a91cd7b893025d444939c

  • SHA1

    7bb34e338803688198961d7f0600455e3d773eca

  • SHA256

    ef0c1f1c50b9f9245d5ba9f8e8f58cdd749dd4d264c918a72e278480424a221a

  • SHA512

    5a4846b114a4df63806b15ba36a2b42145ba5879b4b42da4da55b601bd029e509f48655f6078c07c6e8fc5e829b9d6ada5356750514e2896aae059a6419d8df2

  • SSDEEP

    3072:bA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo8o:bzIqATVfQeV2FZalKq6jtGJWuTmd

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\fcc85101cf2a91cd7b893025d444939c_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcc85101cf2a91cd7b893025d444939c_JaffaCakes118.dll,#1
      2⤵
        PID:3880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 688
          3⤵
          • Program crash
          PID:552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3880 -ip 3880
      1⤵
        PID:1792

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3880-0-0x0000000074F70000-0x0000000074FA0000-memory.dmp

        Filesize

        192KB

      • memory/3880-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

        Filesize

        24KB

      • memory/3880-2-0x0000000074F70000-0x0000000074FA0000-memory.dmp

        Filesize

        192KB