Windows 7 deprecation

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

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 15:47

General

  • Target

    JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe

  • Size

    10.4MB

  • MD5

    5af5f614cca9e39b1ca31bedd6bfd18d

  • SHA1

    45a425802fdcbf3d5bce39a73c972569af715958

  • SHA256

    9cfdc0c6aaa377d24461f118828636346eb37772b83c2501cd9529284ac29f62

  • SHA512

    43cc0ef6103967b2f70d414023ea1605fa02f2828bb10e9e0c53fc4ccc7dd71f71bf8589b67345876b9c1d2fa57e5782826170931d7d5414e274770197ce905d

  • SSDEEP

    196608:qwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwn:

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_5af5f614cca9e39b1ca31bedd6bfd18d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nkglxqyk\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1944
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kzagteyx.exe" C:\Windows\SysWOW64\nkglxqyk\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5004
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create nkglxqyk binPath= "C:\Windows\SysWOW64\nkglxqyk\kzagteyx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4696
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description nkglxqyk "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:5056
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start nkglxqyk
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3052
    • 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:2936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 1040
      2⤵
      • Program crash
      PID:1144
  • C:\Windows\SysWOW64\nkglxqyk\kzagteyx.exe
    C:\Windows\SysWOW64\nkglxqyk\kzagteyx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1412 -s 532
      2⤵
      • Program crash
      PID:2336
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2988 -ip 2988
    1⤵
      PID:3180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1412 -ip 1412
      1⤵
        PID:2236

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        14.8MB

        MD5

        c6b0029ca7421ce21a777acc7ad9903c

        SHA1

        659e27516ff5d8eae2c18533e65e2e464837cd87

        SHA256

        d49a22d4a2901e442a9b323fd33a48e3f7398562fe0cbda2adf86e47fed44f98

        SHA512

        f5ae67ff231015d5d1873b03c54913b156cbe7e8f22dd8c02fc25ca621ecac3ee1ed99622fc3f66012b0745f442db655a14affb572a589818d79637504dcac2d

      • memory/1412-15-0x0000000000400000-0x0000000002F11000-memory.dmp

        Filesize

        43.1MB

      • memory/2448-11-0x0000000000820000-0x0000000000835000-memory.dmp

        Filesize

        84KB

      • memory/2448-13-0x0000000000820000-0x0000000000835000-memory.dmp

        Filesize

        84KB

      • memory/2448-14-0x0000000000820000-0x0000000000835000-memory.dmp

        Filesize

        84KB

      • memory/2988-2-0x00000000030C0000-0x00000000030D3000-memory.dmp

        Filesize

        76KB

      • memory/2988-1-0x0000000003140000-0x0000000003240000-memory.dmp

        Filesize

        1024KB

      • memory/2988-4-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2988-10-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2988-9-0x00000000030C0000-0x00000000030D3000-memory.dmp

        Filesize

        76KB

      • memory/2988-8-0x0000000000400000-0x0000000002F11000-memory.dmp

        Filesize

        43.1MB