Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 21:16

General

  • Target

    bd308371e3b742aab75469dbe4d14263_JaffaCakes118.exe

  • Size

    12.7MB

  • MD5

    bd308371e3b742aab75469dbe4d14263

  • SHA1

    8d38ee594a41dcaf060b56f63ddead71baae0a5e

  • SHA256

    a6968671789010ec5095b9f5a212c851ef68398aa43e6927d44be303f681de8b

  • SHA512

    4b1c50ce22d418477d5c1bd5c82374ec263095b2dda0a1903d82fe208de1cee01c859cbaa947f89a917d5e3091a27d4a46ea0e175f721d0850d124b9733e114e

  • SSDEEP

    196608:pPm+7z52O9cVoZ2+3V19UwGJXOYOX9b6:pPF5cs2y19UwGJXFOX9O

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
  • Drops file in System32 directory 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 6 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd308371e3b742aab75469dbe4d14263_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bd308371e3b742aab75469dbe4d14263_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:448
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4740
    • 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:2352
    • 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:116
    • 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:4468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2840-0-0x0000000002F50000-0x0000000002F51000-memory.dmp

    Filesize

    4KB

  • memory/2840-5-0x0000000002F50000-0x0000000002F51000-memory.dmp

    Filesize

    4KB

  • memory/2840-4-0x0000000000400000-0x00000000010B4000-memory.dmp

    Filesize

    12.7MB

  • memory/2840-6-0x0000000000400000-0x00000000010B4000-memory.dmp

    Filesize

    12.7MB

  • memory/2840-9-0x0000000000400000-0x00000000010B4000-memory.dmp

    Filesize

    12.7MB

  • memory/2840-14-0x0000000000400000-0x00000000010B4000-memory.dmp

    Filesize

    12.7MB