Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/04/2024, 00:25

General

  • Target

    eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe

  • Size

    4.5MB

  • MD5

    eeb3005e34e666b18f5b6eabcd02856c

  • SHA1

    01e2fb8d5feaf126b32167ebcfd408f794e0acd7

  • SHA256

    633a2f9d97be6e25dc8b58c3fa3fb3c13ec8ec4b6ca75dbddd555b74053f9e00

  • SHA512

    b399c23ae403832b21f9f49573234b31dc1f53b0bcaaf50d9ae5b026c5c489599e399f1a3c69f505789ee603860a53fa4bae7c3a94254bf4ea9a13190b58ee4e

  • SSDEEP

    98304:ulRqOikogW1g84mP6z27SS4TbBJXXwTt9onSzobT:uPqOf58rP6a343HwTvoSzov

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Stops running service(s) 3 TTPs
  • Uses Session Manager for persistence 2 TTPs 3 IoCs

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

  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 1 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
      2⤵
      • Creates scheduled task(s)
      PID:2672
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      PID:2676
    • 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:2772
    • 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:2660
    • 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:2616
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram C:\windows\system\win.exe RPCCC
      2⤵
      • Modifies Windows Firewall
      PID:2592

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2368-1-0x0000000000310000-0x00000000003F0000-memory.dmp

          Filesize

          896KB

        • memory/2368-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

          Filesize

          4KB

        • memory/2368-5-0x0000000000400000-0x0000000001C72000-memory.dmp

          Filesize

          24.4MB

        • memory/2368-6-0x0000000006DD0000-0x0000000006DD1000-memory.dmp

          Filesize

          4KB

        • memory/2368-7-0x0000000006DB0000-0x0000000006DB1000-memory.dmp

          Filesize

          4KB

        • memory/2368-8-0x0000000006D70000-0x0000000006D72000-memory.dmp

          Filesize

          8KB

        • memory/2368-9-0x0000000000400000-0x0000000001C72000-memory.dmp

          Filesize

          24.4MB

        • memory/2368-10-0x0000000006D60000-0x0000000006D62000-memory.dmp

          Filesize

          8KB

        • memory/2368-12-0x0000000006DC0000-0x0000000006DC1000-memory.dmp

          Filesize

          4KB

        • memory/2368-14-0x0000000006E60000-0x0000000006E61000-memory.dmp

          Filesize

          4KB

        • memory/2368-16-0x0000000000400000-0x0000000001C72000-memory.dmp

          Filesize

          24.4MB

        • memory/2368-17-0x0000000006EA0000-0x0000000006EA1000-memory.dmp

          Filesize

          4KB

        • memory/2368-18-0x0000000000400000-0x0000000001C72000-memory.dmp

          Filesize

          24.4MB

        • memory/2368-19-0x0000000006F40000-0x0000000006F41000-memory.dmp

          Filesize

          4KB

        • memory/2368-20-0x0000000000400000-0x0000000001C72000-memory.dmp

          Filesize

          24.4MB

        • memory/2368-21-0x0000000006DF0000-0x0000000006DF1000-memory.dmp

          Filesize

          4KB

        • memory/2368-22-0x0000000000400000-0x0000000001C72000-memory.dmp

          Filesize

          24.4MB

        • memory/2368-23-0x0000000006F50000-0x0000000006F51000-memory.dmp

          Filesize

          4KB

        • memory/2368-25-0x0000000006E70000-0x0000000006E72000-memory.dmp

          Filesize

          8KB

        • memory/2368-27-0x0000000006EF0000-0x0000000006EF1000-memory.dmp

          Filesize

          4KB

        • memory/2368-29-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

          Filesize

          4KB

        • memory/2368-31-0x0000000006EB0000-0x0000000006EB1000-memory.dmp

          Filesize

          4KB

        • memory/2368-32-0x0000000000400000-0x0000000001C72000-memory.dmp

          Filesize

          24.4MB

        • memory/2368-33-0x0000000006F00000-0x0000000006F01000-memory.dmp

          Filesize

          4KB

        • memory/2368-34-0x0000000000400000-0x0000000001C72000-memory.dmp

          Filesize

          24.4MB

        • memory/2368-35-0x0000000006F30000-0x0000000006F31000-memory.dmp

          Filesize

          4KB

        • memory/2368-36-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

          Filesize

          4KB

        • memory/2368-37-0x0000000006E40000-0x0000000006E41000-memory.dmp

          Filesize

          4KB

        • memory/2368-38-0x00000000071B0000-0x00000000071B2000-memory.dmp

          Filesize

          8KB

        • memory/2368-39-0x0000000006F20000-0x0000000006F21000-memory.dmp

          Filesize

          4KB

        • memory/2368-40-0x0000000006EE0000-0x0000000006EE1000-memory.dmp

          Filesize

          4KB

        • memory/2368-41-0x0000000006DA0000-0x0000000006DA1000-memory.dmp

          Filesize

          4KB

        • memory/2368-42-0x0000000006D90000-0x0000000006D91000-memory.dmp

          Filesize

          4KB

        • memory/2368-43-0x0000000006D80000-0x0000000006D81000-memory.dmp

          Filesize

          4KB

        • memory/2368-44-0x0000000006E80000-0x0000000006E81000-memory.dmp

          Filesize

          4KB

        • memory/2368-45-0x0000000006E20000-0x0000000006E21000-memory.dmp

          Filesize

          4KB

        • memory/2368-46-0x0000000006EC0000-0x0000000006EC1000-memory.dmp

          Filesize

          4KB

        • memory/2368-47-0x0000000006ED0000-0x0000000006ED1000-memory.dmp

          Filesize

          4KB

        • memory/2368-48-0x0000000006E30000-0x0000000006E31000-memory.dmp

          Filesize

          4KB

        • memory/2368-49-0x0000000006E00000-0x0000000006E01000-memory.dmp

          Filesize

          4KB

        • memory/2368-50-0x00000000070E0000-0x00000000070E2000-memory.dmp

          Filesize

          8KB