Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2024, 17:02

General

  • Target

    bf0e1dd28c2d2421d76a32fe7669c2e7_JaffaCakes118.exe

  • Size

    4.2MB

  • MD5

    bf0e1dd28c2d2421d76a32fe7669c2e7

  • SHA1

    7dc453f0c344c31d11cc51c7e699ed7d50f34ce4

  • SHA256

    cb5172bfa87601893db85f4558bd8fa62b459ca519d756d8d5a07158c73d85d4

  • SHA512

    7d9051821e9b61613726c80901ef578778c9bc5be463ac36a59594c9554ecb0eb143eb43d50bd8c1f32cd91e6b6e82924c4aafa9264cfed0f2c96eb59f54149c

  • SSDEEP

    98304:3S2561p5quZ4we8KXkJB/B65lsjyCDE2ZF313c35xMqOC:3TULIuZ+8K+BmCxf313yxAC

Malware Config

Signatures

  • Stops running service(s) 4 TTPs
  • Uses Session Manager for persistence 2 TTPs 3 IoCs

    Creates Session Manager registry key to run executable early in system boot.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf0e1dd28c2d2421d76a32fe7669c2e7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bf0e1dd28c2d2421d76a32fe7669c2e7_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /delete /TN startt /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4036
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\sys.bat /sc onstart /ru system
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4224
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:856
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      • System Location Discovery: System Language Discovery
      PID:8
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      • System Location Discovery: System Language Discovery
      PID:1596
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      • System Location Discovery: System Language Discovery
      PID:1908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4244-3-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-2-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-5-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-4-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-7-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-6-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-0-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-1-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-8-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-9-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-11-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-12-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/4244-13-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-14-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-15-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-16-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-17-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-18-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-19-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-20-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-21-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-22-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-23-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-24-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-25-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB

        • memory/4244-26-0x0000000000400000-0x000000000224D000-memory.dmp

          Filesize

          30.3MB