Analysis

  • max time kernel
    146s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 18:50

General

  • Target

    2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe

  • Size

    11.7MB

  • MD5

    96ff259433e0be69761294f521e22f12

  • SHA1

    923195cf987deaae3a7a1104f1d8609bd4a56733

  • SHA256

    e978bf481b280693a6955453cf5d5cbc835706d17b97466bcfe032889054aed0

  • SHA512

    b51359e229800ec59c92d0180d8d1bd9cc3f35728cb08e7359a9bb35ac1eef6c39b8c81cbb872050c179eb3494247ff8aae3ec6387402e692c13a6ddfc56671f

  • SSDEEP

    49152:0qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:0qtYc3

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\2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oaaadwoe\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4288
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xagapalr.exe" C:\Windows\SysWOW64\oaaadwoe\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1592
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create oaaadwoe binPath= "C:\Windows\SysWOW64\oaaadwoe\xagapalr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4760
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description oaaadwoe "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4980
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start oaaadwoe
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3736
    • 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:4584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 656
      2⤵
      • Program crash
      PID:4532
  • C:\Windows\SysWOW64\oaaadwoe\xagapalr.exe
    C:\Windows\SysWOW64\oaaadwoe\xagapalr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_96ff259433e0be69761294f521e22f12_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 516
      2⤵
      • Program crash
      PID:1676
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 532 -ip 532
    1⤵
      PID:3608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2456 -ip 2456
      1⤵
        PID:1732

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        14.0MB

        MD5

        04754487afd50243e3b6501712051e81

        SHA1

        0e138eba31017473b71f1e4049faba98331a6409

        SHA256

        98f3a7750be94ebd7bf575f0b3cd74af4725c3278de6a2fdc6475cad781f3fb6

        SHA512

        fb5f9a214fe089147622ea18bd74068630c7e1355fca728a25f8be17019f6dba5b80f652c611741c78ece93bc16c824ed1ff6038f27b3430644eeca352ebd8cb

      • memory/532-1-0x00000000030F0000-0x00000000031F0000-memory.dmp

        Filesize

        1024KB

      • memory/532-2-0x00000000031F0000-0x0000000003203000-memory.dmp

        Filesize

        76KB

      • memory/532-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/532-13-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/532-12-0x00000000031F0000-0x0000000003203000-memory.dmp

        Filesize

        76KB

      • memory/532-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

        Filesize

        41.8MB

      • memory/2016-8-0x0000000000950000-0x0000000000965000-memory.dmp

        Filesize

        84KB

      • memory/2016-14-0x0000000000950000-0x0000000000965000-memory.dmp

        Filesize

        84KB

      • memory/2016-15-0x0000000000950000-0x0000000000965000-memory.dmp

        Filesize

        84KB

      • memory/2456-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

        Filesize

        41.8MB