Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 01:08

General

  • Target

    bdb67d18d9151ba7769c89d27e84bb38_JaffaCakes118.exe

  • Size

    8.9MB

  • MD5

    bdb67d18d9151ba7769c89d27e84bb38

  • SHA1

    c6f3bbb01cfc96b2221c35709346bd529d72399f

  • SHA256

    c31098206597c9cb4ec9c2c37542dee3e697c57790b10a179ce5ba918ec07b0f

  • SHA512

    01cbc25e921521e75e535912cd1e09acd6546970c02caab42a3d223aa03b058b91011cf38de8a318335d9b59a6670b45d7a8818d0f888864d1396c453087860d

  • SSDEEP

    196608:mDFMTCpaJHBkP0MxDir4A4qonAqh+2bYzE:mRABk8Jona28z

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • 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
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 1 IoCs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdb67d18d9151ba7769c89d27e84bb38_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bdb67d18d9151ba7769c89d27e84bb38_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:900
    • 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:3024
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3060
    • 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:3056
    • 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:2952
    • 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:2444
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram C:\windows\system\win.exe RPCCC
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/900-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/900-4-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/900-3-0x0000000000400000-0x0000000000CEB000-memory.dmp

    Filesize

    8.9MB

  • memory/900-5-0x0000000000400000-0x0000000000CEB000-memory.dmp

    Filesize

    8.9MB

  • memory/900-6-0x0000000000400000-0x0000000000CEB000-memory.dmp

    Filesize

    8.9MB