Analysis

  • max time kernel
    147s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2025 19:09

General

  • Target

    2025-01-13_42576b16f53d00b33acc43a6ee7c1185_mafia.exe

  • Size

    13.2MB

  • MD5

    42576b16f53d00b33acc43a6ee7c1185

  • SHA1

    a2b133ad50ccfc4d5cc1869a2dd28cb7b6ac812a

  • SHA256

    8b388cef1f5d7328a983be59267458af674d5866dcedc063df48efaa4cbc0de3

  • SHA512

    b8ac774c73bb3c7bdf51a0eecda91dfabb5f4a9a31e7a2aab0a4040f6ee827bdeaa670fdb94a732bef56f8caf8bf33b48d8529c7254fc03dd115b5c012e08327

  • SSDEEP

    49152:8qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:8qtYc3

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\2025-01-13_42576b16f53d00b33acc43a6ee7c1185_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-13_42576b16f53d00b33acc43a6ee7c1185_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bojzeiry\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uwpahpdt.exe" C:\Windows\SysWOW64\bojzeiry\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2164
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create bojzeiry binPath= "C:\Windows\SysWOW64\bojzeiry\uwpahpdt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_42576b16f53d00b33acc43a6ee7c1185_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4176
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description bojzeiry "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3636
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start bojzeiry
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4496
    • 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:1112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 592
      2⤵
      • Program crash
      PID:4444
  • C:\Windows\SysWOW64\bojzeiry\uwpahpdt.exe
    C:\Windows\SysWOW64\bojzeiry\uwpahpdt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_42576b16f53d00b33acc43a6ee7c1185_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2792
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 516
      2⤵
      • Program crash
      PID:220
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2296 -ip 2296
    1⤵
      PID:2860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2216 -ip 2216
      1⤵
        PID:3764

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        13.6MB

        MD5

        c9ab205f764eca54b9cd7f5761b83f86

        SHA1

        b40f35a0c11aecc16101019317244e1a7406252c

        SHA256

        5cfff0a437eb5388261e0bec138a2167187998f412e288ed62f9782ce4ae9256

        SHA512

        715f264b3fc34bb78da7481b1a2fd0165fc95264e6477024dee056e6806460517698d14b48659ab8383a66009683a7d6f42fb6b6a09e547d52b2aefde44e05d9

      • memory/2216-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

        Filesize

        41.8MB

      • memory/2296-1-0x0000000003020000-0x0000000003120000-memory.dmp

        Filesize

        1024KB

      • memory/2296-2-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

        Filesize

        76KB

      • memory/2296-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2296-13-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2296-12-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

        Filesize

        76KB

      • memory/2296-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

        Filesize

        41.8MB

      • memory/2792-8-0x0000000000750000-0x0000000000765000-memory.dmp

        Filesize

        84KB

      • memory/2792-14-0x0000000000750000-0x0000000000765000-memory.dmp

        Filesize

        84KB

      • memory/2792-15-0x0000000000750000-0x0000000000765000-memory.dmp

        Filesize

        84KB