Analysis Overview
SHA256
8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54
Threat Level: Known bad
The file JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Tofsee family
Modifies Windows Firewall
Creates new service(s)
Sets service image path in registry
Deletes itself
Checks computer location settings
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Event Triggered Execution: Netsh Helper DLL
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-29 23:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-29 23:24
Reported
2024-12-29 23:26
Platform
win7-20241023-en
Max time kernel
145s
Max time network
145s
Command Line
Signatures
Tofsee
Tofsee family
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ksapsrfb = "0" | C:\Windows\SysWOW64\svchost.exe | N/A |
Creates new service(s)
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ksapsrfb\ImagePath = "C:\\Windows\\SysWOW64\\ksapsrfb\\cssshyew.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\ksapsrfb\cssshyew.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2688 set thread context of 2712 | N/A | C:\Windows\SysWOW64\ksapsrfb\cssshyew.exe | C:\Windows\SysWOW64\svchost.exe |
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\ksapsrfb\cssshyew.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ksapsrfb\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cssshyew.exe" C:\Windows\SysWOW64\ksapsrfb\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ksapsrfb binPath= "C:\Windows\SysWOW64\ksapsrfb\cssshyew.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ksapsrfb "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ksapsrfb
C:\Windows\SysWOW64\ksapsrfb\cssshyew.exe
C:\Windows\SysWOW64\ksapsrfb\cssshyew.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe"
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
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 20.236.44.162:80 | microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | microsoft-com.mail.protection.outlook.com | udp |
| US | 52.101.42.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 67.195.228.110:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.102.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 217.69.139.150:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | refabyd.info | udp |
Files
memory/3012-1-0x0000000000960000-0x0000000000A60000-memory.dmp
memory/3012-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/3012-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cssshyew.exe
| MD5 | 0e3f12ec4c40076750c9d3dd96858cec |
| SHA1 | 2fe84beecbcc6d367a4c0e32829e6d7ff625de16 |
| SHA256 | 0b8f55e0b971d058e9b87c5173151d09fee80f6817634b247f4a9b3328f3eaae |
| SHA512 | 9083d3a4380d5928ae2b2fb234133e656cfe19aecd2af699f5c91bd87c210027eddce08f1e7aa78c983b7a9db5d3083891ed2cea3f69ad543dc3db661e015c3d |
memory/3012-8-0x0000000000400000-0x000000000086C000-memory.dmp
memory/3012-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/3012-9-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2688-16-0x0000000000400000-0x000000000086C000-memory.dmp
memory/2712-17-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2712-14-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2712-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2712-11-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/2712-18-0x00000000000C0000-0x00000000000D5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-29 23:24
Reported
2024-12-29 23:26
Platform
win10v2004-20241007-en
Max time kernel
144s
Max time network
145s
Command Line
Signatures
Tofsee
Tofsee family
Creates new service(s)
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\tffmjhzq\ImagePath = "C:\\Windows\\SysWOW64\\tffmjhzq\\wqmsdnfl.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\tffmjhzq\wqmsdnfl.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 560 set thread context of 2544 | N/A | C:\Windows\SysWOW64\tffmjhzq\wqmsdnfl.exe | C:\Windows\SysWOW64\svchost.exe |
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\tffmjhzq\wqmsdnfl.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\tffmjhzq\wqmsdnfl.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tffmjhzq\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wqmsdnfl.exe" C:\Windows\SysWOW64\tffmjhzq\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create tffmjhzq binPath= "C:\Windows\SysWOW64\tffmjhzq\wqmsdnfl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description tffmjhzq "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start tffmjhzq
C:\Windows\SysWOW64\tffmjhzq\wqmsdnfl.exe
C:\Windows\SysWOW64\tffmjhzq\wqmsdnfl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d5cf5412047ce007f13174937a4d7664bf97816b1b274f887c5b91eecfd3e54.exe"
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
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3740 -ip 3740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 1040
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 560 -ip 560
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 560 -s 524
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| NL | 20.76.201.171:80 | microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | microsoft-com.mail.protection.outlook.com | udp |
| US | 52.101.42.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | 171.201.76.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 67.195.228.106:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.27.27:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 94.100.180.31:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
Files
memory/3740-1-0x0000000000B90000-0x0000000000C90000-memory.dmp
memory/3740-2-0x0000000000E00000-0x0000000000E13000-memory.dmp
memory/3740-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\wqmsdnfl.exe
| MD5 | 1e728c14246dfc9e7d152738730e1cc6 |
| SHA1 | d4e7472a9853bff367f200653b733e82b6052fed |
| SHA256 | 82eee7b8979d8fd931e53d9a131a0bebdb56b468df219615d4b158f54859e410 |
| SHA512 | 3a157c4bda0fe4b28802318ec77baed50d8ea632604b857fba8051d17ab9ad9f293d460ff6ee4ac781008b2f4c6f2be1e6f51fb3588fd83449b238473b84998d |
memory/3740-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/3740-9-0x0000000000E00000-0x0000000000E13000-memory.dmp
memory/3740-8-0x0000000000400000-0x000000000086C000-memory.dmp
memory/560-11-0x0000000000400000-0x000000000086C000-memory.dmp
memory/2544-12-0x0000000000440000-0x0000000000455000-memory.dmp
memory/560-15-0x0000000000400000-0x000000000086C000-memory.dmp
memory/560-16-0x0000000000400000-0x000000000086C000-memory.dmp
memory/2544-14-0x0000000000440000-0x0000000000455000-memory.dmp
memory/2544-17-0x0000000000440000-0x0000000000455000-memory.dmp