Overview

overview

10

Static

static

3

a17d7c7d40...18.exe

windows7-x64

10

a17d7c7d40...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 17:24

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General

  • Target
    a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe
  • Size 7.4MB
  • Sample240612-vy8g7sshje
  • SHA256 e7ee08c468712474721dac0fa5d87b243e0a6a143bb25820dac9eb5401a11128
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
adwarepersistencestealerupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Modifies WinLogon 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\AppData\Local\Temp\a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Users\Admin\AppData\Local\Temp\a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:4840
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:1304
    • C:\Users\Admin\AppData\Local\Temp\a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\a17d7c7d40cb359716cfdbc4c4e3fbee_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      PID:3228

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        cftmon.exe
        • Path C:\Users\Admin\AppData\Local\cftmon.exe
        • Size 7.4MB
        • SHA256 aec579a5c8cf0414fd2382b54f32bfd18c39349b0e6faf010e2b478137c883ef
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        ftpdll.dll
        • Path C:\Windows\SysWOW64\ftpdll.dll
        • Size 5KB
        • SHA256 eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/916-0-0x0000000000400000-0x0000000000423000-memory.dmp
        Download

        memory/916-12-0x0000000010000000-0x000000001010B000-memory.dmp
        Download

        memory/916-15-0x0000000000400000-0x0000000000423000-memory.dmp
        Download

        memory/2720-17-0x0000000000400000-0x0000000000423000-memory.dmp
        Download

        memory/3228-18-0x0000000000400000-0x0000000000423000-memory.dmp
        Download

        memory/4840-13-0x0000000000400000-0x0000000000423000-memory.dmp
        Download

        memory/4840-19-0x0000000000400000-0x0000000000423000-memory.dmp
        Download