Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2024, 09:00

General

  • Target

    JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe

  • Size

    186KB

  • MD5

    166c6ac61a149f3d397c5b54cdf611b0

  • SHA1

    51ac25392072ea5bd9af9d6d227c0c13a5c7cfdc

  • SHA256

    9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c

  • SHA512

    06d93630a7cf01e119c2cecf9c28de3f8e88b55f0afde93f2d6b8c536efd1ada9e9678aac34cb20c75911a3254ca3de174420a9ff45dbf2b4192c17d2b6ccfba

  • SSDEEP

    3072:L7ojA4DTPi7C4QCDla6Iv0vdJxfez43Valiy1wC3pZa9uD6Vdyhk9:+A4DTPi7C4QBVviXVIQC3wVf

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Signatures

  • Tofsee

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

  • Tofsee family
  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\klhhygly\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nfxedufm.exe" C:\Windows\SysWOW64\klhhygly\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3576
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create klhhygly binPath= "C:\Windows\SysWOW64\klhhygly\nfxedufm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4424
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description klhhygly "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:400
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start klhhygly
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4044
    • 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
      • System Location Discovery: System Language Discovery
      PID:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 1252
      2⤵
      • Program crash
      PID:4300
  • C:\Windows\SysWOW64\klhhygly\nfxedufm.exe
    C:\Windows\SysWOW64\klhhygly\nfxedufm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 528
      2⤵
      • Program crash
      PID:4628
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1384 -ip 1384
    1⤵
      PID:1380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1908 -ip 1908
      1⤵
        PID:4100

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        13.1MB

        MD5

        5220abe7c51822e4ce7e0d7e2cde1717

        SHA1

        0ba0c5b07996b96f0bbae15e8eb997c7b03bf66d

        SHA256

        7a9a41fc4e7f560afa96cd3d561cef2e42297b300f83099fb7dacf5f23c6b73c

        SHA512

        94367a10ad80caa05da2dec17e3aeeb0dad5f3e37687ddde3b9264fef5db543f27daa96fb26e3e6f9128c3ab3ebb2877fb582e1d279374678b4cc07f38b120b4

      • memory/1384-9-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1384-2-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/1384-1-0x0000000002190000-0x00000000021A3000-memory.dmp

        Filesize

        76KB

      • memory/1384-0-0x0000000000560000-0x000000000056D000-memory.dmp

        Filesize

        52KB

      • memory/1384-12-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/1384-11-0x0000000002190000-0x00000000021A3000-memory.dmp

        Filesize

        76KB

      • memory/1384-10-0x0000000000560000-0x000000000056D000-memory.dmp

        Filesize

        52KB

      • memory/1908-6-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1908-14-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/4076-7-0x0000000000750000-0x0000000000765000-memory.dmp

        Filesize

        84KB

      • memory/4076-15-0x0000000000750000-0x0000000000765000-memory.dmp

        Filesize

        84KB

      • memory/4076-16-0x0000000000750000-0x0000000000765000-memory.dmp

        Filesize

        84KB