Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/12/2024, 22:24 UTC

General

  • Target

    JaffaCakes118_82e5672e4354e66588d70ab01d6323a07e88e3acab3fbf89b3866982a50f3721.exe

  • Size

    243KB

  • MD5

    0fba569148e3b4758882dca911ad7fa8

  • SHA1

    09c8755dfe3f733d5deaafe60ad92b47907f7d9c

  • SHA256

    82e5672e4354e66588d70ab01d6323a07e88e3acab3fbf89b3866982a50f3721

  • SHA512

    4af517ba9d0b30fe49bbcc69adc71357f2c19b48870366a97f8c1a19627ecc811233cac98395a16694cbc2409f1e85d921e14775507a42c36d491013faca681b

  • SSDEEP

    6144:DQZQphhKlXyYNadG6717PUJN5xmCos7SmQ751CetXH:sZDXyYNaT7cHLosSlh

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

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\JaffaCakes118_82e5672e4354e66588d70ab01d6323a07e88e3acab3fbf89b3866982a50f3721.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82e5672e4354e66588d70ab01d6323a07e88e3acab3fbf89b3866982a50f3721.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\efecrhpa\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3896
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xniuoaew.exe" C:\Windows\SysWOW64\efecrhpa\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:184
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create efecrhpa binPath= "C:\Windows\SysWOW64\efecrhpa\xniuoaew.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82e5672e4354e66588d70ab01d6323a07e88e3acab3fbf89b3866982a50f3721.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2368
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description efecrhpa "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:940
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start efecrhpa
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:380
    • 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:532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1220
      2⤵
      • Program crash
      PID:3268
  • C:\Windows\SysWOW64\efecrhpa\xniuoaew.exe
    C:\Windows\SysWOW64\efecrhpa\xniuoaew.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82e5672e4354e66588d70ab01d6323a07e88e3acab3fbf89b3866982a50f3721.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 512
      2⤵
      • Program crash
      PID:3456
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2128 -ip 2128
    1⤵
      PID:4392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4936 -ip 4936
      1⤵
        PID:3608

      Network

      • flag-us
        DNS
        241.150.49.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        241.150.49.20.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
        14.160.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        14.160.190.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        95.221.229.192.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        95.221.229.192.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        microsoft.com
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        microsoft.com
        IN A
        Response
        microsoft.com
        IN A
        20.236.44.162
        microsoft.com
        IN A
        20.76.201.171
        microsoft.com
        IN A
        20.231.239.246
        microsoft.com
        IN A
        20.112.250.133
        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
        52.101.40.26
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.8.49
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.42.0
        microsoft-com.mail.protection.outlook.com
        IN A
        52.101.11.0
      • flag-us
        DNS
        162.44.236.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        162.44.236.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        58.55.71.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        58.55.71.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        13.86.106.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        13.86.106.20.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
        mta6am0yahoodnsnet
        yahoo.com
        IN MX
        mta7�.
        yahoo.com
        IN MX
        mta5�.
      • flag-us
        DNS
        mta6.am0.yahoodns.net
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        mta6.am0.yahoodns.net
        IN A
        Response
        mta6.am0.yahoodns.net
        IN A
        67.195.228.109
        mta6.am0.yahoodns.net
        IN A
        98.136.96.75
        mta6.am0.yahoodns.net
        IN A
        67.195.204.72
        mta6.am0.yahoodns.net
        IN A
        67.195.228.111
        mta6.am0.yahoodns.net
        IN A
        67.195.204.77
        mta6.am0.yahoodns.net
        IN A
        98.136.96.76
        mta6.am0.yahoodns.net
        IN A
        67.195.228.94
        mta6.am0.yahoodns.net
        IN A
        67.195.204.74
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        53.210.109.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        53.210.109.20.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
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        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
        142.250.27.26
        smtp.google.com
        IN A
        142.250.102.27
        smtp.google.com
        IN A
        142.250.27.27
        smtp.google.com
        IN A
        142.250.102.26
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        refabyd.info
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        refabyd.info
        IN A
        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
        94.100.180.31
        mxs.mail.ru
        IN A
        217.69.139.150
      • flag-us
        DNS
        refabyd.info
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        refabyd.info
        IN A
        Response
      • flag-us
        DNS
        refabyd.info
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        refabyd.info
        IN A
        Response
      • flag-us
        DNS
        refabyd.info
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        refabyd.info
        IN A
        Response
      • flag-us
        DNS
        21.236.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        21.236.111.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        refabyd.info
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        refabyd.info
        IN A
        Response
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • flag-us
        DNS
        defeatwax.ru
        svchost.exe
        Remote address:
        8.8.8.8:53
        Request
        defeatwax.ru
        IN A
        Response
      • 20.236.44.162:80
        microsoft.com
        svchost.exe
        190 B
        92 B
        4
        2
      • 52.101.40.26:25
        microsoft-com.mail.protection.outlook.com
        svchost.exe
        260 B
        5
      • 67.195.228.109:25
        mta6.am0.yahoodns.net
        svchost.exe
        260 B
        5
      • 142.250.27.26:25
        smtp.google.com
        svchost.exe
        260 B
        5
      • 94.100.180.31:25
        mxs.mail.ru
        svchost.exe
        260 B
        5
      • 8.8.8.8:53
        241.150.49.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        241.150.49.20.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
        14.160.190.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        14.160.190.20.in-addr.arpa

      • 8.8.8.8:53
        95.221.229.192.in-addr.arpa
        dns
        73 B
        144 B
        1
        1

        DNS Request

        95.221.229.192.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

        20.236.44.162
        20.76.201.171
        20.231.239.246
        20.112.250.133
        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

        52.101.40.26
        52.101.8.49
        52.101.42.0
        52.101.11.0

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

        DNS Request

        162.44.236.20.in-addr.arpa

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

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

        DNS Request

        58.55.71.13.in-addr.arpa

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

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

        DNS Request

        13.86.106.20.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
        mta6.am0.yahoodns.net
        dns
        svchost.exe
        67 B
        195 B
        1
        1

        DNS Request

        mta6.am0.yahoodns.net

        DNS Response

        67.195.228.109
        98.136.96.75
        67.195.204.72
        67.195.228.111
        67.195.204.77
        98.136.96.76
        67.195.228.94
        67.195.204.74

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

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

        DNS Request

        53.210.109.20.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
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

      • 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
        125 B
        1
        1

        DNS Request

        smtp.google.com

        DNS Response

        142.250.27.26
        142.250.102.27
        142.250.27.27
        142.250.102.26

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

      • 8.8.8.8:53
        refabyd.info
        dns
        svchost.exe
        58 B
        137 B
        1
        1

        DNS Request

        refabyd.info

      • 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

        94.100.180.31
        217.69.139.150

      • 8.8.8.8:53
        refabyd.info
        dns
        svchost.exe
        58 B
        137 B
        1
        1

        DNS Request

        refabyd.info

      • 8.8.8.8:53
        refabyd.info
        dns
        svchost.exe
        58 B
        137 B
        1
        1

        DNS Request

        refabyd.info

      • 8.8.8.8:53
        refabyd.info
        dns
        svchost.exe
        58 B
        137 B
        1
        1

        DNS Request

        refabyd.info

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

        DNS Request

        21.236.111.52.in-addr.arpa

      • 8.8.8.8:53
        refabyd.info
        dns
        svchost.exe
        58 B
        137 B
        1
        1

        DNS Request

        refabyd.info

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        58 B
        119 B
        1
        1

        DNS Request

        defeatwax.ru

      • 8.8.8.8:53
        defeatwax.ru
        dns
        svchost.exe
        116 B
        238 B
        2
        2

        DNS Request

        defeatwax.ru

        DNS Request

        defeatwax.ru

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        13.1MB

        MD5

        5ed62e7155892cfdf673c01cc5853d09

        SHA1

        acea89fb16aee399155887093cff1f1b35180203

        SHA256

        ad2a67d5770970affd6dc2631af964039da0324b3a15d3239043680aee479038

        SHA512

        0c86b632bbc62ba124d97ce7d126cf32885cf81da38e1e6539396c89e2b36015c320eca21f7461f31c8106b514bf5eb51730395f72ac47ba0ce310ec53378119

      • memory/2128-8-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/2128-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2128-2-0x0000000000880000-0x0000000000893000-memory.dmp

        Filesize

        76KB

      • memory/2128-10-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2128-9-0x0000000000880000-0x0000000000893000-memory.dmp

        Filesize

        76KB

      • memory/2128-1-0x0000000000680000-0x0000000000780000-memory.dmp

        Filesize

        1024KB

      • memory/4632-14-0x0000000000140000-0x0000000000155000-memory.dmp

        Filesize

        84KB

      • memory/4632-16-0x0000000000140000-0x0000000000155000-memory.dmp

        Filesize

        84KB

      • memory/4632-17-0x0000000000140000-0x0000000000155000-memory.dmp

        Filesize

        84KB

      • memory/4936-11-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/4936-12-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/4936-13-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/4936-19-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

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