Analysis

  • max time kernel
    93s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 03:41

General

  • Target

    e3f805993a3ee7aaba240451801e3f7c_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    e3f805993a3ee7aaba240451801e3f7c

  • SHA1

    b1a0c5875c089ce0118b800899d46a99d631053c

  • SHA256

    05866c64c58071cf25896ace10486d75dda66ef5e6ed6befe8fb2820289230b9

  • SHA512

    88789786df20cb783cfc7d61ec9038eda734e26c03dea1a667b7fd943c7945879683396a6b7e0d755b52738b73d06e1ccf263b4985df7f5de39d3efb78961167

  • SSDEEP

    3072:dA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo2o:dzIqATVfQeV2FZalKq6jtGJWuTmd

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\e3f805993a3ee7aaba240451801e3f7c_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3f805993a3ee7aaba240451801e3f7c_JaffaCakes118.dll,#1
      2⤵
        PID:4588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 688
          3⤵
          • Program crash
          PID:928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4588 -ip 4588
      1⤵
        PID:2248

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4588-0-0x00000000755A0000-0x00000000755D0000-memory.dmp
        Filesize

        192KB

      • memory/4588-1-0x0000000001340000-0x0000000001346000-memory.dmp
        Filesize

        24KB