Analysis Overview
SHA256
7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393
Threat Level: Known bad
The file JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393 was found to be: Known bad.
Malicious Activity Summary
Tofsee family
Tofsee
Windows security bypass
Sets service image path in registry
Creates new service(s)
Modifies Windows Firewall
Executes dropped EXE
Checks computer location settings
Deletes itself
Suspicious use of SetThreadContext
Launches sc.exe
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Event Triggered Execution: Netsh Helper DLL
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-29 10:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-29 10:30
Reported
2024-12-29 10:33
Platform
win7-20241010-en
Max time kernel
149s
Max time network
154s
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\dzvjqzjx = "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\dzvjqzjx\ImagePath = "C:\\Windows\\SysWOW64\\dzvjqzjx\\exseixi.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\dzvjqzjx\exseixi.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2736 set thread context of 2756 | N/A | C:\Windows\SysWOW64\dzvjqzjx\exseixi.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_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.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:\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\dzvjqzjx\exseixi.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_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dzvjqzjx\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\exseixi.exe" C:\Windows\SysWOW64\dzvjqzjx\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create dzvjqzjx binPath= "C:\Windows\SysWOW64\dzvjqzjx\exseixi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description dzvjqzjx "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start dzvjqzjx
C:\Windows\SysWOW64\dzvjqzjx\exseixi.exe
C:\Windows\SysWOW64\dzvjqzjx\exseixi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.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 |
| AU | 20.70.246.20:80 | 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 | 52.101.9.20:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 98.136.96.76:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 142.250.27.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 94.100.180.31:25 | mxs.mail.ru | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\exseixi.exe
| MD5 | 58cbff84d69a53e0e327d39ef3270288 |
| SHA1 | 979e5f754952600bbe0a2cd02c0faec6ece4f3e8 |
| SHA256 | 807fa1d9c3d9a2b62813a9f38f2e1ff8bd365c1bf9e8abbb66a956a660dd8d47 |
| SHA512 | 7a07daa5b47ce44d53556f6bd15cdfce1596ab264982bda6e65c9a48830e493008174231142d3733ea71f372721dc55930633e17753d28d3cdfc3d924c44119f |
memory/2188-2-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2188-0-0x0000000000220000-0x000000000022D000-memory.dmp
memory/2188-1-0x0000000000240000-0x0000000000253000-memory.dmp
memory/2188-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2188-8-0x0000000000220000-0x000000000022D000-memory.dmp
memory/2188-7-0x0000000000240000-0x0000000000253000-memory.dmp
memory/2188-6-0x0000000000400000-0x0000000000432000-memory.dmp
memory/2756-10-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2756-13-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2756-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2736-16-0x0000000000400000-0x0000000000432000-memory.dmp
memory/2756-15-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2756-17-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-29 10:30
Reported
2024-12-29 10:33
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
147s
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\uzjnxopj\ImagePath = "C:\\Windows\\SysWOW64\\uzjnxopj\\ejtjxc.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.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\uzjnxopj\ejtjxc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4936 set thread context of 3504 | N/A | C:\Windows\SysWOW64\uzjnxopj\ejtjxc.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_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\uzjnxopj\ejtjxc.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\uzjnxopj\ejtjxc.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 |
| 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\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.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_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uzjnxopj\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ejtjxc.exe" C:\Windows\SysWOW64\uzjnxopj\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create uzjnxopj binPath= "C:\Windows\SysWOW64\uzjnxopj\ejtjxc.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description uzjnxopj "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start uzjnxopj
C:\Windows\SysWOW64\uzjnxopj\ejtjxc.exe
C:\Windows\SysWOW64\uzjnxopj\ejtjxc.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.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 3460 -ip 3460
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 648
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4936 -ip 4936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 528
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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| AU | 20.70.246.20:80 | 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 | 8.8.8.8:53 | 20.246.70.20.in-addr.arpa | udp |
| US | 52.101.40.26:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 67.195.204.77:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| 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 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| 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 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
Files
memory/3460-0-0x0000000002180000-0x000000000218D000-memory.dmp
memory/3460-1-0x0000000002190000-0x00000000021A3000-memory.dmp
memory/3460-2-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ejtjxc.exe
| MD5 | 02dc2e59e4bd1bc8d9f581f8eba2fa44 |
| SHA1 | d7fe72ec0f2e272d1c5b38c54a95d56c3d77b92d |
| SHA256 | 7101ccfab3d1deba1dd675453576984f66fe1e09e295c610639a335ef7f11af9 |
| SHA512 | d772c0e90ab5b07ea32fc2fbe9aadaa78d5389823e3608a474b1ba1554b2ebbbebee26d5fbd0b6dc967b416314f455d1ed4de6810a8530f80cb3099d5c8c42c8 |
memory/4936-7-0x0000000000400000-0x0000000000432000-memory.dmp
memory/4936-6-0x0000000000400000-0x0000000000432000-memory.dmp
memory/4936-8-0x0000000000400000-0x0000000000432000-memory.dmp
memory/3504-9-0x0000000001010000-0x0000000001025000-memory.dmp
memory/3460-11-0x0000000000400000-0x0000000000432000-memory.dmp
memory/3460-12-0x0000000002180000-0x000000000218D000-memory.dmp
memory/3460-13-0x0000000002190000-0x00000000021A3000-memory.dmp
memory/3460-14-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4936-15-0x0000000000400000-0x0000000000432000-memory.dmp
memory/3504-16-0x0000000001010000-0x0000000001025000-memory.dmp
memory/3504-17-0x0000000001010000-0x0000000001025000-memory.dmp