Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 20:19

General

  • Target

    49d1fd020c8f136f933673d630e18d4b_JaffaCakes118.exe

  • Size

    900KB

  • MD5

    49d1fd020c8f136f933673d630e18d4b

  • SHA1

    b4dcb8d4a0e5822894187a5ac1825cda7489bb13

  • SHA256

    8fc6b1edf12b69ec825bd1e8eb04235fc2aadca0dc13a7c29783555bb2651383

  • SHA512

    58896bc70173a4ad995db5c8c2cc38d69f7c4c09fc237d1fe68f26ad36728f8e44512d36fbfdc1c3157f04c66b9499dd6e3d9451687688d6263a5075e44cc9ca

  • SSDEEP

    24576:Vnx62v7sR55S7C9cSGfOKfUk7FsaXHSqb:VDDsH5HaDL5nXF

Malware Config

Signatures

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49d1fd020c8f136f933673d630e18d4b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\49d1fd020c8f136f933673d630e18d4b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\49d1fd020c8f136f933673d630e18d4b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\49d1fd020c8f136f933673d630e18d4b_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for any installed AV software in registry
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies Internet Explorer Protected Mode
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5080
      • C:\Windows\SysWOW64\WerFault.exe
        "C:\Windows\SysWOW64\WerFault.exe"
        3⤵
          PID:2208

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • memory/1080-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

          • memory/1080-1-0x00000000023C0000-0x00000000023C7000-memory.dmp

            Filesize

            28KB

          • memory/1080-5-0x0000000000400000-0x00000000004E8000-memory.dmp

            Filesize

            928KB

          • memory/5080-3-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/5080-2-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/5080-6-0x00000000020B0000-0x00000000020B1000-memory.dmp

            Filesize

            4KB

          • memory/5080-8-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/5080-9-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/5080-10-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/5080-11-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/5080-12-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB