Analysis Overview
SHA256
5904e1ce6715d90d01f24f33168326b95b1096de8fbb7d4ec670516e1249587a
Threat Level: Known bad
The file f2e10e6ce6156dc38f07293998121415_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Modifies Windows Firewall
Sets service image path in registry
Creates new service(s)
Checks computer location settings
Deletes itself
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Unsigned PE
Program crash
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-16 06:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-16 06:20
Reported
2024-04-16 06:23
Platform
win7-20240221-en
Max time kernel
148s
Max time network
122s
Command Line
Signatures
Tofsee
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\rnitylgm = "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\rnitylgm\ImagePath = "C:\\Windows\\SysWOW64\\rnitylgm\\ctpwnmqu.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\rnitylgm\ctpwnmqu.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2548 set thread context of 3020 | N/A | C:\Windows\SysWOW64\rnitylgm\ctpwnmqu.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
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rnitylgm\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ctpwnmqu.exe" C:\Windows\SysWOW64\rnitylgm\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create rnitylgm binPath= "C:\Windows\SysWOW64\rnitylgm\ctpwnmqu.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description rnitylgm "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start rnitylgm
C:\Windows\SysWOW64\rnitylgm\ctpwnmqu.exe
C:\Windows\SysWOW64\rnitylgm\ctpwnmqu.exe /d"C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.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 | 52.101.42.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| HK | 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 | 67.195.204.74:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 108.177.119.26:25 | smtp.google.com | tcp |
| HK | 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 |
| HK | 43.231.4.7:443 | tcp |
Files
memory/3000-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/3000-1-0x0000000002910000-0x0000000002A10000-memory.dmp
memory/3000-4-0x0000000000400000-0x00000000027A8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ctpwnmqu.exe
| MD5 | afd4a3d6ce6082292cf4636e527f5150 |
| SHA1 | caa7bbf3f26690e959ff1c5948d80507efa6cf7d |
| SHA256 | 10a6c25571f31d567352e41149156722af4d5e96a31fc1ab435fabc598123c91 |
| SHA512 | fe29c815df9d64a4fc132cd85b24a5a278eb372061c7aa150890f8bb2e955e4e555414292737ccf0289c39aed5cb31edbd7a0d208b5543c7a907abb1ba36600f |
memory/3000-7-0x0000000000400000-0x00000000027A8000-memory.dmp
memory/3000-8-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2548-12-0x0000000000400000-0x00000000027A8000-memory.dmp
memory/3020-11-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/3020-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2548-10-0x0000000002850000-0x0000000002950000-memory.dmp
memory/2548-16-0x0000000000400000-0x00000000027A8000-memory.dmp
memory/3020-15-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/3020-19-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/3020-20-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/3020-21-0x00000000000C0000-0x00000000000D5000-memory.dmp
memory/3020-22-0x00000000000C0000-0x00000000000D5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-16 06:20
Reported
2024-04-16 06:23
Platform
win10v2004-20240412-en
Max time kernel
147s
Max time network
138s
Command Line
Signatures
Tofsee
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\thrvxrxj\ImagePath = "C:\\Windows\\SysWOW64\\thrvxrxj\\gpjogfaw.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.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\thrvxrxj\gpjogfaw.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3648 set thread context of 4044 | N/A | C:\Windows\SysWOW64\thrvxrxj\gpjogfaw.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
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\thrvxrxj\gpjogfaw.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\thrvxrxj\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gpjogfaw.exe" C:\Windows\SysWOW64\thrvxrxj\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create thrvxrxj binPath= "C:\Windows\SysWOW64\thrvxrxj\gpjogfaw.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description thrvxrxj "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start thrvxrxj
C:\Windows\SysWOW64\thrvxrxj\gpjogfaw.exe
C:\Windows\SysWOW64\thrvxrxj\gpjogfaw.exe /d"C:\Users\Admin\AppData\Local\Temp\f2e10e6ce6156dc38f07293998121415_JaffaCakes118.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 476 -p 3752 -ip 3752
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 1044
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3648 -ip 3648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 520
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| 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 | 52.101.42.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | 133.250.112.20.in-addr.arpa | udp |
| HK | 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 | 67.195.228.109:25 | mta6.am0.yahoodns.net | tcp |
| US | 20.189.173.4:443 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 108.177.119.26:25 | smtp.google.com | tcp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 0.205.248.87.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 |
| HK | 43.231.4.7:443 | tcp |
Files
memory/3752-1-0x00000000027F0000-0x00000000028F0000-memory.dmp
memory/3752-2-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/3752-4-0x0000000000400000-0x00000000027A8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gpjogfaw.exe
| MD5 | 17ad26b4268d073477fe36d767b6d8b9 |
| SHA1 | 82a87453a68446909628c2b6aa12019be23cccc6 |
| SHA256 | 5b6370d4266bae4bd65cca7274bac763e1b01f89103b4fcdf84e308f41719bd6 |
| SHA512 | 7e1b5ba75cf48f8a0b805737afb87b3aac55ff2458a8962f8df4b6aae3b9b9479a21a33d80e348911d95f38c11f8272d1b9778c4f0a1916a7a50786137a7dfcc |
memory/3752-7-0x0000000000400000-0x00000000027A8000-memory.dmp
memory/3752-8-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/3648-10-0x0000000002A40000-0x0000000002B40000-memory.dmp
memory/4044-11-0x00000000012C0000-0x00000000012D5000-memory.dmp
memory/3648-14-0x0000000000400000-0x00000000027A8000-memory.dmp
memory/4044-16-0x00000000012C0000-0x00000000012D5000-memory.dmp
memory/4044-17-0x00000000012C0000-0x00000000012D5000-memory.dmp
memory/3648-18-0x0000000000400000-0x00000000027A8000-memory.dmp
memory/4044-19-0x00000000012C0000-0x00000000012D5000-memory.dmp