Analysis

  • max time kernel
    91s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 22:11

General

  • Target

    ec1a5d3a647af82d1168ca497e392627_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    ec1a5d3a647af82d1168ca497e392627

  • SHA1

    9c9062c32d18b43da03a7fa5e1ed1ae7bf90c93f

  • SHA256

    fad7a859b2ab32edcabdf632ccddec2849e8f7c5ee3e530733025b2f616c307c

  • SHA512

    c19f3c6da762cddfecdc00484f0a5a809c68f564f5ca5513ee71b6d0bdcb4f933e1d614c75ce484d660ddae0483532fd6cc5a0b26236f14d68c70196e4483888

  • SSDEEP

    3072:2A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo1o: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\ec1a5d3a647af82d1168ca497e392627_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec1a5d3a647af82d1168ca497e392627_JaffaCakes118.dll,#1
      2⤵
        PID:4144
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 692
          3⤵
          • Program crash
          PID:4000
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4144 -ip 4144
      1⤵
        PID:468

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4144-0-0x00000000751E0000-0x0000000075210000-memory.dmp
        Filesize

        192KB

      • memory/4144-1-0x0000000000990000-0x0000000000996000-memory.dmp
        Filesize

        24KB