Analysis

  • max time kernel
    140s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 09:15

General

  • Target

    745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe

  • Size

    101KB

  • MD5

    8492363d0e0816032359dad26695b3d0

  • SHA1

    302a9f2dd85e1b5341f4c631e0157550f7ddfe76

  • SHA256

    745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9

  • SHA512

    386ee8d62ecf7cc5d750c8860b26512d3bc07786215c88dec5c9ac6aa9028d1985dea1bbc740da089366b8cdd51f5d6d1562ff3977854353e528b164a60ec004

  • SSDEEP

    1536:tktR15HzEFMoW0hO2tPsdV08NCiQ1fRO+FFCDoWf2vwxyLAPSHPwEDroGB9nE:mt354HWghsw1ZJrqfzxyGuoE/oG

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) 2 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).

  • 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.

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uhgqyhyi\
      2⤵
        PID:2616
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rtounak.exe" C:\Windows\SysWOW64\uhgqyhyi\
        2⤵
          PID:2744
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create uhgqyhyi binPath= "C:\Windows\SysWOW64\uhgqyhyi\rtounak.exe /d\"C:\Users\Admin\AppData\Local\Temp\745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2624
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description uhgqyhyi "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2816
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start uhgqyhyi
          2⤵
          • Launches sc.exe
          PID:2588
        • 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
          • Event Triggered Execution: Netsh Helper DLL
          PID:2500
      • C:\Windows\SysWOW64\uhgqyhyi\rtounak.exe
        C:\Windows\SysWOW64\uhgqyhyi\rtounak.exe /d"C:\Users\Admin\AppData\Local\Temp\745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:2400

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        10.6MB

        MD5

        f5654a43b2941d52748a85666ae1deac

        SHA1

        d4079ffd127598f4c8f3dee2f4dcf7838ad73579

        SHA256

        7194323a0c9d28962f54de7382ced7da290945994ed987340c861d30d6bfafa5

        SHA512

        e01c21a5aaac744760092af5265c86ea573af980a4dcd653cf8007ee53d2bc0b62c13322bface8ba0ae57aaf43d3d4ab6c49398187f3b081b04927f40aff584e

      • memory/2176-10-0x0000000000400000-0x0000000005D65000-memory.dmp

        Filesize

        89.4MB

      • memory/2176-6-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2176-5-0x0000000000250000-0x0000000000263000-memory.dmp

        Filesize

        76KB

      • memory/2176-2-0x0000000000400000-0x0000000005D65000-memory.dmp

        Filesize

        89.4MB

      • memory/2176-4-0x0000000000270000-0x0000000000370000-memory.dmp

        Filesize

        1024KB

      • memory/2176-0-0x0000000000400000-0x0000000005D65000-memory.dmp

        Filesize

        89.4MB

      • memory/2176-11-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2400-13-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2400-19-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2400-16-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2400-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2400-20-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2640-17-0x0000000000400000-0x0000000005D65000-memory.dmp

        Filesize

        89.4MB