Analysis

  • max time kernel
    145s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 11:12 UTC

General

  • Target

    2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe

  • Size

    13.1MB

  • MD5

    20a671c03662511935387bb74be8153b

  • SHA1

    55f63ef86a4b4af0d35ca0d35ee78af85f4866d1

  • SHA256

    b55246338bcdc1bebe0eeb46362d3cd71d843dff533e21ded99653e0cdd0ca7c

  • SHA512

    31c6683296a3aaf4863a893f8d57f3dbd5e1742ced1d11cd72c92969cda60e1e47e5ba117037c1c86c5a589bec74acf74331a700bcbf219751a5b7e125e0cfd3

  • SSDEEP

    49152:XqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:XqtYc3

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\2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xnafsxlv\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2652
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ruaujufl.exe" C:\Windows\SysWOW64\xnafsxlv\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1532
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create xnafsxlv binPath= "C:\Windows\SysWOW64\xnafsxlv\ruaujufl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4612
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description xnafsxlv "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4892
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start xnafsxlv
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1544
    • 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:1692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 1192
      2⤵
      • Program crash
      PID:2908
  • C:\Windows\SysWOW64\xnafsxlv\ruaujufl.exe
    C:\Windows\SysWOW64\xnafsxlv\ruaujufl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 528
      2⤵
      • Program crash
      PID:4508
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4484 -ip 4484
    1⤵
      PID:32
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 744 -ip 744
      1⤵
        PID:4900

      Network

      • flag-us
        DNS
        8.8.8.8.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        8.8.8.8.in-addr.arpa
        IN PTR
        Response
        8.8.8.8.in-addr.arpa
        IN PTR
        dnsgoogle
      • flag-us
        DNS
        28.118.140.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        28.118.140.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        172.214.232.199.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        172.214.232.199.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        71.31.126.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        71.31.126.40.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        5.114.82.104.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        5.114.82.104.in-addr.arpa
        IN PTR
        Response
        5.114.82.104.in-addr.arpa
        IN PTR
        a104-82-114-5deploystaticakamaitechnologiescom
      • flag-us
        DNS
        microsoft.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        microsoft.com
        IN A
        Response
        microsoft.com
        IN A
        20.231.239.246
        microsoft.com
        IN A
        20.70.246.20
        microsoft.com
        IN A
        20.236.44.162
        microsoft.com
        IN A
        20.112.250.133
        microsoft.com
        IN A
        20.76.201.171
      • flag-us
        DNS
        228.249.119.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        228.249.119.40.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        yahoo.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        yahoo.com
        IN A
        Response
        yahoo.com
        IN A
        74.6.143.26
        yahoo.com
        IN A
        98.137.11.163
        yahoo.com
        IN A
        74.6.143.25
        yahoo.com
        IN A
        74.6.231.20
        yahoo.com
        IN A
        98.137.11.164
        yahoo.com
        IN A
        74.6.231.21
      • flag-us
        DNS
        microsoft.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        microsoft.com
        IN MX
        Response
        microsoft.com
        IN MX
        microsoft-commail protectionoutlook�
      • flag-us
        DNS
        microsoft-com.mail.protection.outlook.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        microsoft-com.mail.protection.outlook.com
        IN A
        Response
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.42.0
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.8.49
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.11.0
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.40.26
      • flag-us
        DNS
        26.143.6.74.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        26.143.6.74.in-addr.arpa
        IN PTR
        Response
        26.143.6.74.in-addr.arpa
        IN PTR
        media-router-fp74prodmediavipbf1yahoocom
      • flag-us
        DNS
        50.23.12.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        50.23.12.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        198.187.3.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        198.187.3.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        56.163.245.4.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        56.163.245.4.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        22.49.80.91.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        22.49.80.91.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        yahoo.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        yahoo.com
        IN MX
        Response
        yahoo.com
        IN MX
        mta5am0yahoodnsnet
        yahoo.com
        IN MX
        mta6�.
        yahoo.com
        IN MX
        mta7�.
      • flag-us
        DNS
        mta5.am0.yahoodns.net
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        mta5.am0.yahoodns.net
        IN A
        Response
        mta5.am0.yahoodns.net
        IN A
        98.136.96.74
        mta5.am0.yahoodns.net
        IN A
        67.195.228.109
        mta5.am0.yahoodns.net
        IN A
        67.195.228.94
        mta5.am0.yahoodns.net
        IN A
        67.195.228.106
        mta5.am0.yahoodns.net
        IN A
        98.136.96.91
        mta5.am0.yahoodns.net
        IN A
        98.136.96.77
        mta5.am0.yahoodns.net
        IN A
        67.195.204.74
        mta5.am0.yahoodns.net
        IN A
        67.195.228.110
      • flag-us
        DNS
        172.210.232.199.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        172.210.232.199.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        google.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        google.com
        IN MX
        Response
        google.com
        IN MX
        smtp�
      • flag-us
        DNS
        smtp.google.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        smtp.google.com
        IN A
        Response
        smtp.google.com
        IN A
        74.125.206.26
        smtp.google.com
        IN A
        74.125.206.27
        smtp.google.com
        IN A
        142.251.173.26
        smtp.google.com
        IN A
        64.233.167.26
        smtp.google.com
        IN A
        142.251.173.27
      • flag-us
        DNS
        mail.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        mail.ru
        IN MX
        Response
        mail.ru
        IN MX
        mxs�
      • flag-us
        DNS
        mxs.mail.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        mxs.mail.ru
        IN A
        Response
        mxs.mail.ru
        IN A
        217.69.139.150
        mxs.mail.ru
        IN A
        94.100.180.31
      • flag-us
        DNS
        43.229.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        43.229.111.52.in-addr.arpa
        IN PTR
        Response
      • 20.231.239.246:80
        microsoft.com
        svchost.exe
        260 B
        5
      • 43.231.4.7:443
        svchost.exe
        260 B
        5
      • 74.6.143.26:80
        yahoo.com
        svchost.exe
        190 B
        92 B
        4
        2
      • 52.101.42.0:25
        microsoft-com.mail.protection.outlook.com
        svchost.exe
        260 B
        5
      • 98.136.96.74:25
        mta5.am0.yahoodns.net
        svchost.exe
        260 B
        5
      • 43.231.4.7:443
        svchost.exe
        260 B
        5
      • 74.125.206.26:25
        smtp.google.com
        svchost.exe
        260 B
        5
      • 217.69.139.150:25
        mxs.mail.ru
        svchost.exe
        260 B
        5
      • 43.231.4.7:443
        svchost.exe
        260 B
        5
      • 8.8.8.8:53
        8.8.8.8.in-addr.arpa
        dns
        66 B
        90 B
        1
        1

        DNS Request

        8.8.8.8.in-addr.arpa

      • 8.8.8.8:53
        28.118.140.52.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        28.118.140.52.in-addr.arpa

      • 8.8.8.8:53
        172.214.232.199.in-addr.arpa
        dns
        74 B
        128 B
        1
        1

        DNS Request

        172.214.232.199.in-addr.arpa

      • 8.8.8.8:53
        71.31.126.40.in-addr.arpa
        dns
        71 B
        157 B
        1
        1

        DNS Request

        71.31.126.40.in-addr.arpa

      • 8.8.8.8:53
        5.114.82.104.in-addr.arpa
        dns
        71 B
        135 B
        1
        1

        DNS Request

        5.114.82.104.in-addr.arpa

      • 8.8.8.8:53
        microsoft.com
        dns
        svchost.exe
        59 B
        139 B
        1
        1

        DNS Request

        microsoft.com

        DNS Response

        20.231.239.246
        20.70.246.20
        20.236.44.162
        20.112.250.133
        20.76.201.171

      • 8.8.8.8:53
        228.249.119.40.in-addr.arpa
        dns
        73 B
        159 B
        1
        1

        DNS Request

        228.249.119.40.in-addr.arpa

      • 8.8.8.8:53
        yahoo.com
        dns
        svchost.exe
        55 B
        151 B
        1
        1

        DNS Request

        yahoo.com

        DNS Response

        74.6.143.26
        98.137.11.163
        74.6.143.25
        74.6.231.20
        98.137.11.164
        74.6.231.21

      • 8.8.8.8:53
        microsoft.com
        dns
        svchost.exe
        59 B
        113 B
        1
        1

        DNS Request

        microsoft.com

      • 8.8.8.8:53
        microsoft-com.mail.protection.outlook.com
        dns
        svchost.exe
        87 B
        151 B
        1
        1

        DNS Request

        microsoft-com.mail.protection.outlook.com

        DNS Response

        52.101.42.0
        52.101.8.49
        52.101.11.0
        52.101.40.26

      • 8.8.8.8:53
        26.143.6.74.in-addr.arpa
        dns
        70 B
        130 B
        1
        1

        DNS Request

        26.143.6.74.in-addr.arpa

      • 8.8.8.8:53
        50.23.12.20.in-addr.arpa
        dns
        70 B
        156 B
        1
        1

        DNS Request

        50.23.12.20.in-addr.arpa

      • 8.8.8.8:53
        198.187.3.20.in-addr.arpa
        dns
        71 B
        157 B
        1
        1

        DNS Request

        198.187.3.20.in-addr.arpa

      • 8.8.8.8:53
        56.163.245.4.in-addr.arpa
        dns
        71 B
        157 B
        1
        1

        DNS Request

        56.163.245.4.in-addr.arpa

      • 8.8.8.8:53
        22.49.80.91.in-addr.arpa
        dns
        70 B
        145 B
        1
        1

        DNS Request

        22.49.80.91.in-addr.arpa

      • 8.8.8.8:53
        yahoo.com
        dns
        svchost.exe
        55 B
        134 B
        1
        1

        DNS Request

        yahoo.com

      • 8.8.8.8:53
        mta5.am0.yahoodns.net
        dns
        svchost.exe
        67 B
        195 B
        1
        1

        DNS Request

        mta5.am0.yahoodns.net

        DNS Response

        98.136.96.74
        67.195.228.109
        67.195.228.94
        67.195.228.106
        98.136.96.91
        98.136.96.77
        67.195.204.74
        67.195.228.110

      • 8.8.8.8:53
        172.210.232.199.in-addr.arpa
        dns
        74 B
        128 B
        1
        1

        DNS Request

        172.210.232.199.in-addr.arpa

      • 8.8.8.8:53
        google.com
        dns
        svchost.exe
        56 B
        77 B
        1
        1

        DNS Request

        google.com

      • 8.8.8.8:53
        smtp.google.com
        dns
        svchost.exe
        61 B
        141 B
        1
        1

        DNS Request

        smtp.google.com

        DNS Response

        74.125.206.26
        74.125.206.27
        142.251.173.26
        64.233.167.26
        142.251.173.27

      • 8.8.8.8:53
        mail.ru
        dns
        svchost.exe
        53 B
        73 B
        1
        1

        DNS Request

        mail.ru

      • 8.8.8.8:53
        mxs.mail.ru
        dns
        svchost.exe
        57 B
        89 B
        1
        1

        DNS Request

        mxs.mail.ru

        DNS Response

        217.69.139.150
        94.100.180.31

      • 8.8.8.8:53
        43.229.111.52.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        43.229.111.52.in-addr.arpa

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        11.8MB

        MD5

        877c136c5b3187fdb39b619b352113bb

        SHA1

        8f012b1a114be7b9642a3c1d79b6149eeaf63c46

        SHA256

        12b1109b821b9695c766fa4413d64c46b537917dee1f1afb2a75ab6846b642c4

        SHA512

        6b54e2fafb13f43836b6e911eefceab89836ed939443bb3af3cf505d14212e91c83b871aee0ce00941e28f189dbff46abf832b1a84558e043e16a5f547805aee

      • memory/744-1-0x0000000002F00000-0x0000000003000000-memory.dmp

        Filesize

        1024KB

      • memory/744-2-0x0000000003200000-0x0000000003213000-memory.dmp

        Filesize

        76KB

      • memory/744-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/744-13-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/744-12-0x0000000003200000-0x0000000003213000-memory.dmp

        Filesize

        76KB

      • memory/744-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

        Filesize

        41.8MB

      • memory/4484-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

        Filesize

        41.8MB

      • memory/4848-8-0x0000000000140000-0x0000000000155000-memory.dmp

        Filesize

        84KB

      • memory/4848-14-0x0000000000140000-0x0000000000155000-memory.dmp

        Filesize

        84KB

      • memory/4848-15-0x0000000000140000-0x0000000000155000-memory.dmp

        Filesize

        84KB

      We care about your privacy.

      This website stores cookies on your computer. These cookies are used to improve your website experience and provide more personalized services to you, both on this website and through other media. To find out more about the cookies we use, see our Privacy Policy.