Windows 7 deprecation

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

Analysis

  • max time kernel
    146s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2025, 20:19

General

  • Target

    2025-01-19_24a8c7936e334ee7ab9ff26103ac6b25_mafia.exe

  • Size

    14.1MB

  • MD5

    24a8c7936e334ee7ab9ff26103ac6b25

  • SHA1

    02650252a3393d59ee832c4ff28fdabb22a21f9c

  • SHA256

    e2679cbb1ef3e09480268cb51f3e9b10947e19fdf15fb951629f83b8097f1533

  • SHA512

    3ba123dd0c3dbeb8d88bf1bc129e40459a25da0e5d7e5d9b3c1db3d08995ba4c615aecad4bc5655c59a7a1ee096bd9ab58c12eb5e6f5ac9b7049a4f071f463a1

  • SSDEEP

    24576:LpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttV:doo

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.

  • Tofsee family
  • 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.

  • 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-19_24a8c7936e334ee7ab9ff26103ac6b25_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-19_24a8c7936e334ee7ab9ff26103ac6b25_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yvhuhxto\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2404
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fbttqfes.exe" C:\Windows\SysWOW64\yvhuhxto\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2348
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create yvhuhxto binPath= "C:\Windows\SysWOW64\yvhuhxto\fbttqfes.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-19_24a8c7936e334ee7ab9ff26103ac6b25_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2704
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description yvhuhxto "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2748
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start yvhuhxto
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2888
    • 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:2948
  • C:\Windows\SysWOW64\yvhuhxto\fbttqfes.exe
    C:\Windows\SysWOW64\yvhuhxto\fbttqfes.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-19_24a8c7936e334ee7ab9ff26103ac6b25_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    11.6MB

    MD5

    9e52a3b31123df1f8aa5fa3bb6aca950

    SHA1

    4f2f569c77715a0800cdfd9212d22efe833abb07

    SHA256

    bfd863d3e2c1723d676eacf4f4f791918f15151adcbd94e5a327a58511e155a8

    SHA512

    4b29c3433462139f98ecc113149fa315137c3a0277f86a6227439f4ce09b5a887176bddb9fb208cf8044ce31eee24bd30734dcb5bd7742173e8768e8d8012b98

  • memory/2120-16-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2120-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2120-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2120-15-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2120-1-0x0000000000620000-0x0000000000720000-memory.dmp

    Filesize

    1024KB

  • memory/2120-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2772-13-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2916-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2916-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2916-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2916-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2916-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB