Analysis Overview
SHA256
27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc
Threat Level: Known bad
The file JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee family
Tofsee
Modifies Windows Firewall
Sets service image path in registry
Creates new service(s)
Deletes itself
Checks computer location settings
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Enumerates physical storage devices
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-30 00:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-30 00:03
Reported
2024-12-30 00:06
Platform
win7-20240729-en
Max time kernel
145s
Max time network
120s
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\cycpoojq = "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\cycpoojq\ImagePath = "C:\\Windows\\SysWOW64\\cycpoojq\\oqlrkxh.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\cycpoojq\oqlrkxh.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2936 set thread context of 2708 | N/A | C:\Windows\SysWOW64\cycpoojq\oqlrkxh.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 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 |
| Key value enumerated | \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:\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\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:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.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\cycpoojq\oqlrkxh.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_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cycpoojq\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oqlrkxh.exe" C:\Windows\SysWOW64\cycpoojq\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create cycpoojq binPath= "C:\Windows\SysWOW64\cycpoojq\oqlrkxh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description cycpoojq "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start cycpoojq
C:\Windows\SysWOW64\cycpoojq\oqlrkxh.exe
C:\Windows\SysWOW64\cycpoojq\oqlrkxh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.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 | 20.112.250.133:80 | 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 | 52.101.10.2:25 | microsoft-com.mail.protection.outlook.com | tcp |
| AU | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 67.195.204.79:25 | 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 | 142.250.102.27:25 | smtp.google.com | tcp |
| AU | 43.231.4.7:443 | tcp | |
| 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 |
| AU | 43.231.4.7:443 | tcp |
Files
memory/2296-1-0x00000000005A0000-0x00000000006A0000-memory.dmp
memory/2296-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2296-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\oqlrkxh.exe
| MD5 | c8e45c1b56bcbfb24eda502373a47e8a |
| SHA1 | 48ea2ee77e68a021a0653d5f4946f63a1a9fde51 |
| SHA256 | 6109e9f92856144446e6e0988bbf685a2824e5a719809ac8a8e5d91a0ab11a2a |
| SHA512 | 0dc5522c87a641c4d81da292a8d9a56922cfda74b38c18ea71bb45790a8339e9ec36f54a6b6b883310884289b688f91148ba419978ce747b4e8475adcc67075e |
memory/2296-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2296-8-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2296-7-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2708-16-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2708-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2708-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2708-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2936-17-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2708-18-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-30 00:03
Reported
2024-12-30 00:06
Platform
win10v2004-20241007-en
Max time kernel
141s
Max time network
148s
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\ixmccmxv\ImagePath = "C:\\Windows\\SysWOW64\\ixmccmxv\\iccteneg.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.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\ixmccmxv\iccteneg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5084 set thread context of 208 | N/A | C:\Windows\SysWOW64\ixmccmxv\iccteneg.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 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 |
| Key value enumerated | \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_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\ixmccmxv\iccteneg.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| 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:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.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\ixmccmxv\iccteneg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ixmccmxv\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iccteneg.exe" C:\Windows\SysWOW64\ixmccmxv\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ixmccmxv binPath= "C:\Windows\SysWOW64\ixmccmxv\iccteneg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ixmccmxv "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ixmccmxv
C:\Windows\SysWOW64\ixmccmxv\iccteneg.exe
C:\Windows\SysWOW64\ixmccmxv\iccteneg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.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 464 -p 2328 -ip 2328
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 600
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5084 -ip 5084
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 512
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| 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 | 52.101.8.46:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | 162.44.236.20.in-addr.arpa | udp |
| AU | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 67.195.228.94:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.27.26:25 | smtp.google.com | tcp |
| AU | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | 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 | 13.227.111.52.in-addr.arpa | udp |
| AU | 43.231.4.7:443 | tcp |
Files
memory/2328-1-0x00000000006A0000-0x00000000007A0000-memory.dmp
memory/2328-2-0x0000000000660000-0x0000000000673000-memory.dmp
memory/2328-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\iccteneg.exe
| MD5 | 303b7f06d98f24362b9960fa16e79450 |
| SHA1 | 5c489b5c72e21618d3d8af9ab7fc4a6a8d29487e |
| SHA256 | 087d3645316ed8a9a51e29db7f9a0a0bdb3166e3fc10ae90ce38591c452b6abf |
| SHA512 | 56ae761597d37fd4501b661f4a9dea579ab881c8495c92ba9c356ea9b9bb965cfa711fb8f8c146944610c592c1c98be7170da6b7cabd9e668fb1907c2849a310 |
memory/2328-7-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2328-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2328-8-0x0000000000660000-0x0000000000673000-memory.dmp
memory/5084-12-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/5084-13-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/208-16-0x0000000000400000-0x0000000000415000-memory.dmp
memory/208-14-0x0000000000400000-0x0000000000415000-memory.dmp
memory/208-17-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5084-11-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/5084-18-0x0000000000400000-0x00000000004CA000-memory.dmp