Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 17:56

General

  • Target

    2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe

  • Size

    13.6MB

  • MD5

    a60ac9f9f8401b075313d1ea5ed38a3d

  • SHA1

    a399ae72488052b9a5b629b0bc9d5c47e4b503e3

  • SHA256

    48cd6c50ceff5d85c03b03b9864b6631983bf8b5a0b2a599857b924aad773da0

  • SHA512

    33dbb5926885e65db4ba08ecd4595f945e77062ab3932d4a58a2b53ca07391c2256a3d5a3349deb76d45bedee7800a3e1160f60893b5baa9aa99812167a3871a

  • SSDEEP

    24576:C6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ3:LWdLQk

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\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hqnngnov\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3672
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zqmtkjnr.exe" C:\Windows\SysWOW64\hqnngnov\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1984
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create hqnngnov binPath= "C:\Windows\SysWOW64\hqnngnov\zqmtkjnr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3500
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description hqnngnov "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:700
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start hqnngnov
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3608
    • 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:1580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 1208
      2⤵
      • Program crash
      PID:1912
  • C:\Windows\SysWOW64\hqnngnov\zqmtkjnr.exe
    C:\Windows\SysWOW64\hqnngnov\zqmtkjnr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-10_a60ac9f9f8401b075313d1ea5ed38a3d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:3536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 508
      2⤵
      • Program crash
      PID:3820
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1960 -ip 1960
    1⤵
      PID:4352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 644 -ip 644
      1⤵
        PID:3200

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        13.2MB

        MD5

        e6695ce03cd44233db264014e2a7cdcd

        SHA1

        d6cd264bd7aef73bc4496f66477437544e8ca586

        SHA256

        79bb1bd675753f1486ebc3c8a0feec076c69d91419f837955a7f38541773ff13

        SHA512

        7f54953e4260eb68c4e0d92013113128a04d6d80f265109dcfe53223ca941cac92bc1bd88dae55453a657ac35b56e4e3316502ba9a086a91cc9179e9b6626ad6

      • memory/644-13-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/644-12-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/644-11-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/644-19-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/1960-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/1960-2-0x0000000000490000-0x00000000004A3000-memory.dmp

        Filesize

        76KB

      • memory/1960-7-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/1960-8-0x0000000000490000-0x00000000004A3000-memory.dmp

        Filesize

        76KB

      • memory/1960-9-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/1960-1-0x0000000000650000-0x0000000000750000-memory.dmp

        Filesize

        1024KB

      • memory/3536-14-0x0000000000450000-0x0000000000465000-memory.dmp

        Filesize

        84KB

      • memory/3536-16-0x0000000000450000-0x0000000000465000-memory.dmp

        Filesize

        84KB

      • memory/3536-17-0x0000000000450000-0x0000000000465000-memory.dmp

        Filesize

        84KB