Analysis

  • max time kernel
    143s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 16:27

General

  • Target

    fd25a9c84be208b088379553ff30606c_JaffaCakes118.exe

  • Size

    14.2MB

  • MD5

    fd25a9c84be208b088379553ff30606c

  • SHA1

    6de24b33594778df7f9c3fb4dc695e0434b4c474

  • SHA256

    93474a8dc670337caf536fd0eac0d70d5d6856fc46db7493f8a982017c9e68c3

  • SHA512

    360d771d0ff2991dabd265fef1e52d02a7faae42e8cbae3ddf06ade70e5bab01adf9a7d6bf26062bc054fde2c7bad224fa9fa15cd5282b1f68938ce0ece3c566

  • SSDEEP

    98304:lNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllL:jW

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Windows security bypass 2 TTPs 1 IoCs
  • Creates new service(s) 1 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd25a9c84be208b088379553ff30606c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd25a9c84be208b088379553ff30606c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jipoxrqc\
      2⤵
        PID:2340
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ytxpfqsq.exe" C:\Windows\SysWOW64\jipoxrqc\
        2⤵
          PID:2332
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create jipoxrqc binPath= "C:\Windows\SysWOW64\jipoxrqc\ytxpfqsq.exe /d\"C:\Users\Admin\AppData\Local\Temp\fd25a9c84be208b088379553ff30606c_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:1124
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description jipoxrqc "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:1320
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start jipoxrqc
          2⤵
          • Launches sc.exe
          PID:1260
        • C:\Windows\SysWOW64\netsh.exe
          "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
          2⤵
          • Modifies Windows Firewall
          PID:1964
      • C:\Windows\SysWOW64\jipoxrqc\ytxpfqsq.exe
        C:\Windows\SysWOW64\jipoxrqc\ytxpfqsq.exe /d"C:\Users\Admin\AppData\Local\Temp\fd25a9c84be208b088379553ff30606c_JaffaCakes118.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2000
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:704

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\ytxpfqsq.exe

        Filesize

        12.1MB

        MD5

        3294281db7f7e431e4b047b45c12705a

        SHA1

        efbba44357ba621d8eaa4ab2a15bb842afdb588e

        SHA256

        79154d63df124db59dccc7e3ebd3a9ecf58cc0caabf63a1526fa71308d7a2765

        SHA512

        8e84518480704a1c4413855b2f356da55be39b211b98dda4fbb847a1f725a88ca77f03cfec62787feee90c5980732bfbc3aacba923c0330bbbe5d2215f60c3d8

      • memory/704-20-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/704-14-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/704-22-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/704-21-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/704-11-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/704-18-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/704-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2000-19-0x0000000000400000-0x00000000036CD000-memory.dmp

        Filesize

        50.8MB

      • memory/2000-10-0x0000000003780000-0x0000000003880000-memory.dmp

        Filesize

        1024KB

      • memory/2000-17-0x0000000000400000-0x00000000036CD000-memory.dmp

        Filesize

        50.8MB

      • memory/2220-4-0x0000000000400000-0x00000000036CD000-memory.dmp

        Filesize

        50.8MB

      • memory/2220-8-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/2220-1-0x0000000003890000-0x0000000003990000-memory.dmp

        Filesize

        1024KB

      • memory/2220-6-0x0000000000400000-0x00000000036CD000-memory.dmp

        Filesize

        50.8MB

      • memory/2220-2-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB