Windows 7 deprecation

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

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 20:24

General

  • Target

    24f65dcc42b6801b30a7eb679b571372_JaffaCakes118.exe

  • Size

    14.3MB

  • MD5

    24f65dcc42b6801b30a7eb679b571372

  • SHA1

    cc39a9bc20d111ea4654e326774cb74d84abd3cd

  • SHA256

    be5f6be838cda666934c8154d4f504f55af259d4bd3642406c539148e673a905

  • SHA512

    d21b631b35140f7d24910857cc45fee17dd2b64d05cde3469d27d7b00a603225d73b88af80ac48d4b4055ce881224fcaceab2cb0516b0044b96ce55730ee628e

  • SSDEEP

    196608:CvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvP:

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.

  • 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\24f65dcc42b6801b30a7eb679b571372_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\24f65dcc42b6801b30a7eb679b571372_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jqtuenag\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1624
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\obxnvcxh.exe" C:\Windows\SysWOW64\jqtuenag\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1992
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create jqtuenag binPath= "C:\Windows\SysWOW64\jqtuenag\obxnvcxh.exe /d\"C:\Users\Admin\AppData\Local\Temp\24f65dcc42b6801b30a7eb679b571372_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1824
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description jqtuenag "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4904
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start jqtuenag
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1284
    • 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:2100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 592
      2⤵
      • Program crash
      PID:2316
  • C:\Windows\SysWOW64\jqtuenag\obxnvcxh.exe
    C:\Windows\SysWOW64\jqtuenag\obxnvcxh.exe /d"C:\Users\Admin\AppData\Local\Temp\24f65dcc42b6801b30a7eb679b571372_JaffaCakes118.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 524
      2⤵
      • Program crash
      PID:1820
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2372 -ip 2372
    1⤵
      PID:4332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3740 -ip 3740
      1⤵
        PID:1188

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        10.4MB

        MD5

        40dc0c3d27f9ebb459c9a618b766ec6e

        SHA1

        81350da6ffd66f35c1b2d0bf64f1605d1f9cbbe1

        SHA256

        6fa9b86b36f2a25a8018e11634f0a32ec822c2c6a634e3a99b9d029d1a14a4a4

        SHA512

        174ee0672ba86960edd3c0e2ef3fc33ee7d0b46a4af5e15905e2713772ccb3fae900aa905d943544ea5d65dcfe4ffb6e8c8426fee1c2b5a956d0c437b43da4dd

      • memory/1392-11-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

        Filesize

        84KB

      • memory/1392-13-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

        Filesize

        84KB

      • memory/1392-14-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

        Filesize

        84KB

      • memory/2372-1-0x0000000002ED0000-0x0000000002FD0000-memory.dmp

        Filesize

        1024KB

      • memory/2372-2-0x0000000002E10000-0x0000000002E23000-memory.dmp

        Filesize

        76KB

      • memory/2372-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2372-10-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2372-9-0x0000000002E10000-0x0000000002E23000-memory.dmp

        Filesize

        76KB

      • memory/2372-8-0x0000000000400000-0x0000000002C6D000-memory.dmp

        Filesize

        40.4MB

      • memory/3740-15-0x0000000000400000-0x0000000002C6D000-memory.dmp

        Filesize

        40.4MB