Analysis Overview
SHA256
e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87
Threat Level: Known bad
The file JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87 was found to be: Known bad.
Malicious Activity Summary
Tofsee family
Tofsee
Windows security bypass
Creates new service(s)
Modifies Windows Firewall
Sets service image path in registry
Deletes itself
Checks computer location settings
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Program crash
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Event Triggered Execution: Netsh Helper DLL
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-29 11:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-29 11:50
Reported
2024-12-29 11:53
Platform
win7-20240903-en
Max time kernel
148s
Max time network
148s
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\rtprhzkf = "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\rtprhzkf\ImagePath = "C:\\Windows\\SysWOW64\\rtprhzkf\\iupmtssg.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\rtprhzkf\iupmtssg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2852 set thread context of 2880 | N/A | C:\Windows\SysWOW64\rtprhzkf\iupmtssg.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\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\sc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rtprhzkf\iupmtssg.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\netsh.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:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rtprhzkf\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iupmtssg.exe" C:\Windows\SysWOW64\rtprhzkf\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create rtprhzkf binPath= "C:\Windows\SysWOW64\rtprhzkf\iupmtssg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description rtprhzkf "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start rtprhzkf
C:\Windows\SysWOW64\rtprhzkf\iupmtssg.exe
C:\Windows\SysWOW64\rtprhzkf\iupmtssg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.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 | 67.195.204.77:25 | 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 | refabyd.info | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 94.100.180.31:25 | mxs.mail.ru | tcp |
Files
memory/2536-1-0x0000000000610000-0x0000000000710000-memory.dmp
memory/2536-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2536-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\iupmtssg.exe
| MD5 | b7d55e8645bab3d7f83b6c0cc86ba9d0 |
| SHA1 | a6f96d8a66ca1e9760e7a77e52773df7745dcc82 |
| SHA256 | 245a842c6f105178a6eb0189b5906cee4502f990e3adeddc3cf733caf5c606b6 |
| SHA512 | 47c502b4b7454cda9cc04b87f45f77bcc22c98a98e902e78e1b7451862873ae32ffe0937b490b4d745658eb8bc8ce93e6c4a9a3b7427b8ce25575e158f4daa67 |
memory/2536-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2536-9-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2536-8-0x0000000000400000-0x000000000044D000-memory.dmp
memory/2880-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2880-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2880-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2852-16-0x0000000000400000-0x000000000044D000-memory.dmp
memory/2880-17-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2880-18-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-29 11:50
Reported
2024-12-29 11:53
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
150s
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\pstonixg\ImagePath = "C:\\Windows\\SysWOW64\\pstonixg\\tadbccsg.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_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.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\pstonixg\tadbccsg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1160 set thread context of 4248 | N/A | C:\Windows\SysWOW64\pstonixg\tadbccsg.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_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\pstonixg\tadbccsg.exe |
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_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.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\sc.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\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\pstonixg\tadbccsg.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_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pstonixg\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tadbccsg.exe" C:\Windows\SysWOW64\pstonixg\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create pstonixg binPath= "C:\Windows\SysWOW64\pstonixg\tadbccsg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description pstonixg "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start pstonixg
C:\Windows\SysWOW64\pstonixg\tadbccsg.exe
C:\Windows\SysWOW64\pstonixg\tadbccsg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.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 456 -p 3644 -ip 3644
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 1036
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1160 -ip 1160
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -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 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.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 |
| 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 | 52.101.11.0:25 | 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 | 217.106.137.52.in-addr.arpa | udp |
| 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 | 67.195.204.72:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.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 | 142.250.27.26:25 | 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 | 172.210.232.199.in-addr.arpa | 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 | 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 | 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 |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
Files
memory/3644-2-0x00000000004A0000-0x00000000004B3000-memory.dmp
memory/3644-1-0x0000000000550000-0x0000000000650000-memory.dmp
memory/3644-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tadbccsg.exe
| MD5 | 1d951ab711d0fe33813177d3964b00cb |
| SHA1 | f83bb25473332ccfad7b097367e2ccf6876d9dce |
| SHA256 | 68810a566461d99d95899da3e5044507ac21402ab7b45990802722ab9949c9bd |
| SHA512 | 238515994837f92e4b71780f45e5c610f5e3358b1e83e01919cca42ee816c3f4c5245475b593e1b4c62a856b090a8f86755e55c112bf0b28bb9ef893063ca6b3 |
memory/3644-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/3644-9-0x00000000004A0000-0x00000000004B3000-memory.dmp
memory/3644-8-0x0000000000400000-0x000000000044D000-memory.dmp
memory/1160-11-0x0000000000400000-0x000000000044D000-memory.dmp
memory/1160-12-0x0000000000400000-0x000000000044D000-memory.dmp
memory/4248-13-0x00000000003E0000-0x00000000003F5000-memory.dmp
memory/4248-15-0x00000000003E0000-0x00000000003F5000-memory.dmp
memory/4248-16-0x00000000003E0000-0x00000000003F5000-memory.dmp
memory/1160-18-0x0000000000400000-0x000000000044D000-memory.dmp