Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 21:13

General

  • Target

    2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe

  • Size

    10.3MB

  • MD5

    c2852932f1ca29aeedd95eaf207fefa0

  • SHA1

    30b20c6e0a97f88d03ae9afa014e54c759c2e719

  • SHA256

    ddb15f06bcdd564fa338a83939d20cb6a09a78dbba5ea6fd369ad7d38a1c9c39

  • SHA512

    d30b16acb0fdfb2f872161363f8ce4021a29126eae8e4ba1585c5d08c5937c751c7029dc78709a72984b18076e6708d2fc3bbb3217834c44dde455e72b34ef5c

  • SSDEEP

    24576:lEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZT:ufot

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 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rpokizsh\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:628
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hpeivtcc.exe" C:\Windows\SysWOW64\rpokizsh\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4768
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create rpokizsh binPath= "C:\Windows\SysWOW64\rpokizsh\hpeivtcc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2076
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description rpokizsh "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4312
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start rpokizsh
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:540
    • 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:524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 1028
      2⤵
      • Program crash
      PID:4896
  • C:\Windows\SysWOW64\rpokizsh\hpeivtcc.exe
    C:\Windows\SysWOW64\rpokizsh\hpeivtcc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:436
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 508
      2⤵
      • Program crash
      PID:2888
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2340 -ip 2340
    1⤵
      PID:1348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 436 -ip 436
      1⤵
        PID:4836
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTM1OTM5NDI0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
        1⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:4184

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        10.7MB

        MD5

        4d7ab05888fe4ab098b37d84928e3af0

        SHA1

        f39330b43bbc87b42e7c473be5a859f5c36a52f1

        SHA256

        00c08533d9bfc2d5cc7a582d116732f9f9df32113dc65a4b63660d559b1ae09d

        SHA512

        37398fceba6e3a3a409fac89e2c484c765feab3b30343c33719fd8f00b961ebdf3a699f297dc200ee4019ba7ee9901d4b55d0724df5f68ff722c3e880d206030

      • memory/436-13-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/436-12-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/436-11-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/436-19-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/636-14-0x00000000001B0000-0x00000000001C5000-memory.dmp

        Filesize

        84KB

      • memory/636-16-0x00000000001B0000-0x00000000001C5000-memory.dmp

        Filesize

        84KB

      • memory/636-17-0x00000000001B0000-0x00000000001C5000-memory.dmp

        Filesize

        84KB

      • memory/2340-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2340-2-0x00000000001D0000-0x00000000001E3000-memory.dmp

        Filesize

        76KB

      • memory/2340-8-0x00000000001D0000-0x00000000001E3000-memory.dmp

        Filesize

        76KB

      • memory/2340-7-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/2340-9-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2340-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

        Filesize

        1024KB