Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2024 00:28

General

  • Target

    2e5fafd333da76824926bacb8dc970da_JaffaCakes118.exe

  • Size

    3.0MB

  • MD5

    2e5fafd333da76824926bacb8dc970da

  • SHA1

    89a0e15746b345e8bdb22aed021185efdcb142f2

  • SHA256

    00c70a2b71a6d16c004afb510e5dd6dfd22c3708030b7061a8bfa25b6cbf57eb

  • SHA512

    bad8d6165aaee55070431e31af588665ab1b918cd7001f6d0b499b42d6d075bf1ca27f1a315aec390ecd3650ddd0e93ccf5bc0ccdf309ee8b29f3788d7dcf750

  • SSDEEP

    49152:HnaE1fG90AL2w9ahaSBuW1sPdhEVznJOwJUz+Llrc7o1oHRHMJxgYpw2QS90NAFF:HaKG95L2z391mfMzn//g74uNWgvL40n

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.

  • 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e5fafd333da76824926bacb8dc970da_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2e5fafd333da76824926bacb8dc970da_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1516
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      PID:2280
    • 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
      PID:292
    • 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
      PID:980
    • 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
      PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2344-0-0x0000000000400000-0x000000000262B000-memory.dmp

    Filesize

    34.2MB

  • memory/2344-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

    Filesize

    8KB

  • memory/2344-2-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2344-4-0x0000000000400000-0x000000000262B000-memory.dmp

    Filesize

    34.2MB

  • memory/2344-6-0x00000000001C0000-0x00000000001C2000-memory.dmp

    Filesize

    8KB

  • memory/2344-7-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB