Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2024, 04:03

General

  • Target
    82fa69b0a13f32305d13dc88c2f3fbed_JaffaCakes118.exe
  • Size 277KB
  • Sample240530-emt8fadh2x
  • SHA256 1cc2b271332ad8f952216047ae755c9e93f85788074f343f9be11c0be6059e3f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VirtualBox drivers on disk 2 TTPs 1 IoCs
  • ModiLoader Second Stage 59 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82fa69b0a13f32305d13dc88c2f3fbed_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\82fa69b0a13f32305d13dc88c2f3fbed_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\82fa69b0a13f32305d13dc88c2f3fbed_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\82fa69b0a13f32305d13dc88c2f3fbed_JaffaCakes118.exe"
      2⤵
        PID:2092
    • C:\Windows\system32\mshta.exe
      "C:\Windows\system32\mshta.exe" javascript:wvn0iuwcy="njV3s";HI88=new%20ActiveXObject("WScript.Shell");TlBWV6y="wXp";janl54=HI88.RegRead("HKLM\\software\\Wow6432Node\\YVB2Fg10\\JWpSCpaar");JTPfq7kFB="QO5fup9H";eval(janl54);UNtmo0auG1="NRlEa8HQZ";
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:zezac
        2⤵
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32.exe
          3⤵
          • Looks for VirtualBox Guest Additions in registry
          • Looks for VirtualBox drivers on disk
          • Looks for VMWare Tools registry key
          • Checks BIOS information in registry
          • Deletes itself
          • Drops startup file
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Suspicious use of SetThreadContext
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1580
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\SysWOW64\regsvr32.exe"
            4⤵
              PID:1244

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            b9feef.26a6f49

            • Path C:\Users\Admin\AppData\Local\cac63c\b9feef.26a6f49
            • Size 10KB
            • SHA256 6def4d33179e5cc9bf35fbb298392a68235a53d00ccaa7778c6abf8ffe1622bf
            • MD5 SHA1 SHA512 SSDEEP

            bdcf8f.lnk

            • Path C:\Users\Admin\AppData\Local\cac63c\bdcf8f.lnk
            • Size 877B
            • SHA256 7ffd85aee969727b169de1e6db594252c6ae09f37bb4e83c0fa1ec829e86291f
            • MD5 SHA1 SHA512

            cbd015.bat

            • Path C:\Users\Admin\AppData\Local\cac63c\cbd015.bat
            • Size 61B
            • SHA256 7f3ca854a12deb01ad01e47e55eb09558f1a72f1c066410d459703746c660a39
            • MD5 SHA1 SHA512

            c25a55.lnk

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c25a55.lnk
            • Size 987B
            • SHA256 e3eb47ee493b161a809f55a534db3b6b9d0cd29f32b9e35a06f48458a76a0d86
            • MD5 SHA1 SHA512

            7c2c65.26a6f49

            • Path C:\Users\Admin\AppData\Roaming\ca6143\7c2c65.26a6f49
            • Size 17KB
            • SHA256 7de1ebe4f303c0c750de2c5d263b3ab419cf990fcae7caf11d30141f448e2c6c
            • MD5 SHA1 SHA512 SSDEEP

            memory/1244-75-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-71-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-72-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-73-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-74-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-70-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-76-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-77-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-78-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-79-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-80-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-81-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-82-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-83-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-84-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1244-85-0x0000000000150000-0x000000000028E000-memory.dmp

            memory/1580-31-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-36-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-60-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-69-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-62-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-61-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-59-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-57-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-52-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-51-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-50-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-48-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-47-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-46-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-45-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-43-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-41-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-40-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-39-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-38-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-37-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-42-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-58-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-34-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-44-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-32-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-26-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-28-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-35-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-30-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/1580-33-0x0000000000110000-0x000000000024E000-memory.dmp

            memory/2092-3-0x0000000000400000-0x0000000000439000-memory.dmp

            memory/2092-15-0x0000000001DA0000-0x0000000001E74000-memory.dmp

            memory/2092-14-0x0000000001DA0000-0x0000000001E74000-memory.dmp

            memory/2092-13-0x0000000001DA0000-0x0000000001E74000-memory.dmp

            memory/2092-12-0x0000000001DA0000-0x0000000001E74000-memory.dmp

            memory/2092-10-0x0000000001DA0000-0x0000000001E74000-memory.dmp

            memory/2092-11-0x0000000001DA0000-0x0000000001E74000-memory.dmp

            memory/2092-9-0x0000000001DA0000-0x0000000001E74000-memory.dmp

            memory/2092-8-0x0000000000400000-0x0000000000439000-memory.dmp

            memory/2092-7-0x0000000000400000-0x0000000000439000-memory.dmp

            memory/2632-29-0x0000000006390000-0x0000000006464000-memory.dmp

            memory/2632-24-0x0000000006390000-0x0000000006464000-memory.dmp