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Analysis

  • max time kernel
    145s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2025, 09:27

General

  • Target

    2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe

  • Size

    11.2MB

  • MD5

    337a81b8a925f371beda4458d0403d00

  • SHA1

    44611868d20d1fb4f280e9cd57188e17d392c72f

  • SHA256

    7aa6819ead4765d06745e1033f7357a08548aa0f7a9aa1601c6707a3e1289b31

  • SHA512

    ff42df78d4bc6c4821c822de6ad399d7062545bb7d2f6b8639f8643d1392c752b1e7b07358cf97a18fb9c7573d78d60074b4581d5d498c41d45f3ea47648054d

  • SSDEEP

    196608:0yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX4:JXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXo

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\2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ozxvpfgh\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xwkmaxyq.exe" C:\Windows\SysWOW64\ozxvpfgh\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2780
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ozxvpfgh binPath= "C:\Windows\SysWOW64\ozxvpfgh\xwkmaxyq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2772
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ozxvpfgh "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2712
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ozxvpfgh
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2920
    • 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:1632
  • C:\Windows\SysWOW64\ozxvpfgh\xwkmaxyq.exe
    C:\Windows\SysWOW64\ozxvpfgh\xwkmaxyq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2224
    • 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:2628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.5MB

    MD5

    4c10a0e345e8808fc2ff9a25c590a34a

    SHA1

    c2831b0f2ff900245e0896508d937f51d9683320

    SHA256

    2660543a9e16478ec15a63b15b36a5d0a705d6436e3331b1b7cbf295a9755347

    SHA512

    ee62eabab1619df784770ccdf521d320fa0f6ffcefb15bde1e1f4d653a0f1cb9dc5a3bb7a2aaf2502eff32c59bbcba5c4ba89ce4638548ae49426e070d8204f9

  • memory/2168-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2168-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2168-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2168-7-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2168-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2168-1-0x0000000000620000-0x0000000000720000-memory.dmp

    Filesize

    1024KB

  • memory/2224-17-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2628-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2628-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2628-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2628-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2628-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB