Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 21:36

General

  • Target

    2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe

  • Size

    10.5MB

  • MD5

    eb5cb62cc6ff9b511f81f8973631ee20

  • SHA1

    460b9ff5faa8e98cd9769811a5a22e0c3184022a

  • SHA256

    4dc819b30f24d4d53171df29aa0b62c3c44c4f8f0d172c076b463becfc98bb53

  • SHA512

    ba6f96587f647a0552beb964fecd5d04864d2e0986bed898f7be5595f7e902c3e14debaf2bd919c18bf8a2e73c9241fd53603a386c87561ee71550f8d92f96af

  • SSDEEP

    24576:SEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZh:rfot

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\2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jbsagkwg\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1232
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eefqlmks.exe" C:\Windows\SysWOW64\jbsagkwg\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3064
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create jbsagkwg binPath= "C:\Windows\SysWOW64\jbsagkwg\eefqlmks.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2920
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description jbsagkwg "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2328
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start jbsagkwg
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2984
    • 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:228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 1220
      2⤵
      • Program crash
      PID:4352
  • C:\Windows\SysWOW64\jbsagkwg\eefqlmks.exe
    C:\Windows\SysWOW64\jbsagkwg\eefqlmks.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-22_eb5cb62cc6ff9b511f81f8973631ee20_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5060
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 532
      2⤵
      • Program crash
      PID:4532
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1476 -ip 1476
    1⤵
      PID:3108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5060 -ip 5060
      1⤵
        PID:3560

      Network

      • flag-us
        DNS
        133.211.185.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        133.211.185.52.in-addr.arpa
        IN PTR
        Response
      • 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
        4.159.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        4.159.190.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        7.98.51.23.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        7.98.51.23.in-addr.arpa
        IN PTR
        Response
        7.98.51.23.in-addr.arpa
        IN PTR
        a23-51-98-7deploystaticakamaitechnologiescom
      • flag-us
        DNS
        microsoft.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        microsoft.com
        IN A
        Response
        microsoft.com
        IN A
        20.112.250.133
        microsoft.com
        IN A
        20.236.44.162
        microsoft.com
        IN A
        20.231.239.246
        microsoft.com
        IN A
        20.76.201.171
        microsoft.com
        IN A
        20.70.246.20
      • 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
        52.101.11.0
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.40.26
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.8.49
      • flag-us
        DNS
        133.250.112.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        133.250.112.20.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
        mta7am0yahoodnsnet
        yahoo.com
        IN MX
        mta5�.
        yahoo.com
        IN MX
        mta6�.
      • flag-us
        DNS
        mta7.am0.yahoodns.net
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        mta7.am0.yahoodns.net
        IN A
        Response
        mta7.am0.yahoodns.net
        IN A
        67.195.228.109
        mta7.am0.yahoodns.net
        IN A
        98.136.96.76
        mta7.am0.yahoodns.net
        IN A
        67.195.204.77
        mta7.am0.yahoodns.net
        IN A
        67.195.204.79
        mta7.am0.yahoodns.net
        IN A
        67.195.228.111
        mta7.am0.yahoodns.net
        IN A
        67.195.228.110
        mta7.am0.yahoodns.net
        IN A
        67.195.228.94
        mta7.am0.yahoodns.net
        IN A
        67.195.204.74
      • flag-us
        DNS
        197.87.175.4.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        197.87.175.4.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        18.31.95.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        18.31.95.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        181.129.81.91.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        181.129.81.91.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
        64.233.184.27
        smtp.google.com
        IN A
        142.251.168.26
        smtp.google.com
        IN A
        142.251.168.27
        smtp.google.com
        IN A
        64.233.184.26
        smtp.google.com
        IN A
        142.251.173.27
      • flag-us
        DNS
        86.49.80.91.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        86.49.80.91.in-addr.arpa
        IN PTR
        Response
      • 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
        35.77.123.92.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        35.77.123.92.in-addr.arpa
        IN PTR
        Response
        35.77.123.92.in-addr.arpa
        IN PTR
        a92-123-77-35deploystaticakamaitechnologiescom
      • 20.112.250.133:80
        microsoft.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
      • 43.231.4.7:443
        svchost.exe
        260 B
        5
      • 67.195.228.109:25
        mta7.am0.yahoodns.net
        svchost.exe
        260 B
        5
      • 64.233.184.27:25
        smtp.google.com
        svchost.exe
        260 B
        5
      • 43.231.4.7:443
        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
        133.211.185.52.in-addr.arpa
        dns
        73 B
        147 B
        1
        1

        DNS Request

        133.211.185.52.in-addr.arpa

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

        DNS Request

        4.159.190.20.in-addr.arpa

      • 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
        7.98.51.23.in-addr.arpa
        dns
        69 B
        131 B
        1
        1

        DNS Request

        7.98.51.23.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

        20.112.250.133
        20.236.44.162
        20.231.239.246
        20.76.201.171
        20.70.246.20

      • 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
        52.101.11.0
        52.101.40.26
        52.101.8.49

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

        DNS Request

        133.250.112.20.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
        mta7.am0.yahoodns.net
        dns
        svchost.exe
        67 B
        195 B
        1
        1

        DNS Request

        mta7.am0.yahoodns.net

        DNS Response

        67.195.228.109
        98.136.96.76
        67.195.204.77
        67.195.204.79
        67.195.228.111
        67.195.228.110
        67.195.228.94
        67.195.204.74

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

        DNS Request

        197.87.175.4.in-addr.arpa

      • 8.8.8.8:53
        18.31.95.13.in-addr.arpa
        dns
        70 B
        144 B
        1
        1

        DNS Request

        18.31.95.13.in-addr.arpa

      • 8.8.8.8:53
        181.129.81.91.in-addr.arpa
        dns
        72 B
        147 B
        1
        1

        DNS Request

        181.129.81.91.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

        64.233.184.27
        142.251.168.26
        142.251.168.27
        64.233.184.26
        142.251.173.27

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

        DNS Request

        86.49.80.91.in-addr.arpa

      • 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
        35.77.123.92.in-addr.arpa
        dns
        71 B
        135 B
        1
        1

        DNS Request

        35.77.123.92.in-addr.arpa

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        14.3MB

        MD5

        4fec939e5beebcf4be2ecd3084d727a6

        SHA1

        419692a48425a8dfe2087f9aa246a23b6a494dc1

        SHA256

        23b5240a72b63e5cf1ce3ae1019f43b78e283fb0c52bfb6d72e64cee63520663

        SHA512

        652c045ea449c4905827457de6c67add9fc6b71062d557cd71aafb38ecba786bc32ebc2395facf579cc3c376d1da17dee6ea0d2dc480139a03258682d0948c3c

      • memory/1476-8-0x0000000000560000-0x0000000000573000-memory.dmp

        Filesize

        76KB

      • memory/1476-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/1476-2-0x0000000000560000-0x0000000000573000-memory.dmp

        Filesize

        76KB

      • memory/1476-7-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1476-9-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/1476-1-0x0000000000740000-0x0000000000840000-memory.dmp

        Filesize

        1024KB

      • memory/4360-14-0x0000000000700000-0x0000000000715000-memory.dmp

        Filesize

        84KB

      • memory/4360-16-0x0000000000700000-0x0000000000715000-memory.dmp

        Filesize

        84KB

      • memory/4360-17-0x0000000000700000-0x0000000000715000-memory.dmp

        Filesize

        84KB

      • memory/5060-11-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/5060-13-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/5060-12-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/5060-18-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

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