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
    18-01-2025 20:07

General

  • Target

    2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe

  • Size

    14.5MB

  • MD5

    07a0ffd3d5a3c8615f5beae4d5de6d3d

  • SHA1

    7791ee6b4251b2ea873bdfb759380191890211f1

  • SHA256

    9e453cbcf29c18a265e86dd4ba1f615acee786b00c1ad7209c583b7c39e34b58

  • SHA512

    b48d05437b1de7c2007fc491b62210c1a1336cf74c5a80b2b38dfd54c15f3e2e3eb6d5adc944212ded88e74825eafc387fe985469e0d9a882ae6b1567b5f8f26

  • SSDEEP

    6144:HLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQN:sTYe+D2jFu+iZoUFhAz

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
  • 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\2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ztppiner\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zeojdpmo.exe" C:\Windows\SysWOW64\ztppiner\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1224
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ztppiner binPath= "C:\Windows\SysWOW64\ztppiner\zeojdpmo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3140
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ztppiner "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3060
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ztppiner
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1148
    • 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:4796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 1044
      2⤵
      • Program crash
      PID:812
  • C:\Windows\SysWOW64\ztppiner\zeojdpmo.exe
    C:\Windows\SysWOW64\ztppiner\zeojdpmo.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-18_07a0ffd3d5a3c8615f5beae4d5de6d3d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2172
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 512
      2⤵
      • Program crash
      PID:2728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1832 -ip 1832
    1⤵
      PID:1940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3180 -ip 3180
      1⤵
        PID:3716

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        14.7MB

        MD5

        ff4afde29919bb92e0d8585624805ebd

        SHA1

        0281791225a6ed35ad4e8527d4197f263f0d8cd2

        SHA256

        d32d6c04544c670d0e4db62a949d12f5dd10170a176c42b60560716f28d7b94d

        SHA512

        d525fc7e8644f7481a101b7fb5994a77744951202360060edb66ed2fea485390facfbcc7c47a3d1fdba8302cd40d883d52fa8d38ae17b2fcc1105a100109de99

      • memory/1832-18-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/1832-2-0x0000000000510000-0x0000000000523000-memory.dmp

        Filesize

        76KB

      • memory/1832-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/1832-1-0x0000000000530000-0x0000000000630000-memory.dmp

        Filesize

        1024KB

      • memory/1832-17-0x0000000000510000-0x0000000000523000-memory.dmp

        Filesize

        76KB

      • memory/1832-16-0x0000000000400000-0x00000000004C1000-memory.dmp

        Filesize

        772KB

      • memory/2172-19-0x0000000000CA0000-0x0000000000CB5000-memory.dmp

        Filesize

        84KB

      • memory/2172-9-0x0000000000CA0000-0x0000000000CB5000-memory.dmp

        Filesize

        84KB

      • memory/2172-21-0x0000000000CA0000-0x0000000000CB5000-memory.dmp

        Filesize

        84KB

      • memory/2172-13-0x0000000000CA0000-0x0000000000CB5000-memory.dmp

        Filesize

        84KB

      • memory/2172-20-0x0000000000CA0000-0x0000000000CB5000-memory.dmp

        Filesize

        84KB

      • memory/3180-10-0x0000000000400000-0x00000000004C1000-memory.dmp

        Filesize

        772KB

      • memory/3180-15-0x0000000000400000-0x00000000004C1000-memory.dmp

        Filesize

        772KB

      • memory/3180-8-0x0000000000400000-0x00000000004C1000-memory.dmp

        Filesize

        772KB