Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2024 16:22

General

  • Target

    f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe

  • Size

    12.1MB

  • MD5

    f17afb5f20aa53a7c7ffdb7f03fde7fc

  • SHA1

    7cdf905690e6c242fda8d6a4882294c65c6f649c

  • SHA256

    a8cc9358a6bb7013fdc8abf9a1371c7b22a3b7311eec92dae140c844463d95bd

  • SHA512

    266dd4974d978144e8045b292bff3f61ee268105c2c92919ec4cc60358e42a1f40fb4c5bb3307accf1c2decbe935fddaf912c92492868ea5603384b4cc2db712

  • SSDEEP

    24576:+jDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBn:+nh

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

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\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pigqrrwo\
      2⤵
        PID:2128
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ivmvnacw.exe" C:\Windows\SysWOW64\pigqrrwo\
        2⤵
          PID:2088
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create pigqrrwo binPath= "C:\Windows\SysWOW64\pigqrrwo\ivmvnacw.exe /d\"C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2660
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description pigqrrwo "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2848
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start pigqrrwo
          2⤵
          • Launches sc.exe
          PID:2836
        • 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:2572
      • C:\Windows\SysWOW64\pigqrrwo\ivmvnacw.exe
        C:\Windows\SysWOW64\pigqrrwo\ivmvnacw.exe /d"C:\Users\Admin\AppData\Local\Temp\f17afb5f20aa53a7c7ffdb7f03fde7fc_JaffaCakes118.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2464
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:2676

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        14.2MB

        MD5

        2db0363793439e2ef85796573f8df93f

        SHA1

        defd0447a1742092b4fc797096f2ec9308974f7b

        SHA256

        681828bbbea27e26e55edbf3b93f2f80171b652245c1050db56cc3521228903a

        SHA512

        ad5fab48dcb04e0a6d3cf134a4440b937ffc8a362d3f2c3edd283522108b9eee86e0904d831bc8c907cdec896be763412c6d38b8622fa4d54b0f432cc22a48d5

      • memory/2240-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

        Filesize

        1024KB

      • memory/2240-3-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/2240-4-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2240-8-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2240-9-0x00000000005C0000-0x00000000006C0000-memory.dmp

        Filesize

        1024KB

      • memory/2464-14-0x00000000005A0000-0x00000000006A0000-memory.dmp

        Filesize

        1024KB

      • memory/2464-16-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2676-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2676-10-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2676-13-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2676-19-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2676-20-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2676-21-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2676-22-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB