Analysis Overview
SHA256
86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385
Threat Level: Known bad
The file JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Tofsee family
Creates new service(s)
Sets service image path in registry
Modifies Windows Firewall
Checks computer location settings
Deletes itself
Executes dropped EXE
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 12:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-29 12:03
Reported
2024-12-29 12:05
Platform
win7-20240903-en
Max time kernel
150s
Max time network
146s
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\dfyqmtss = "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\dfyqmtss\ImagePath = "C:\\Windows\\SysWOW64\\dfyqmtss\\haoasmob.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\dfyqmtss\haoasmob.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2604 set thread context of 2964 | N/A | C:\Windows\SysWOW64\dfyqmtss\haoasmob.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 |
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_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.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\svchost.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\dfyqmtss\haoasmob.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\sc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dfyqmtss\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\haoasmob.exe" C:\Windows\SysWOW64\dfyqmtss\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create dfyqmtss binPath= "C:\Windows\SysWOW64\dfyqmtss\haoasmob.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description dfyqmtss "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start dfyqmtss
C:\Windows\SysWOW64\dfyqmtss\haoasmob.exe
C:\Windows\SysWOW64\dfyqmtss\haoasmob.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.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 | 52.101.40.26:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 67.195.228.109:25 | mta5.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 | 217.69.139.150:25 | mxs.mail.ru | tcp |
Files
memory/2648-1-0x0000000002C70000-0x0000000002D70000-memory.dmp
memory/2648-2-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2648-4-0x0000000000400000-0x0000000002B40000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\haoasmob.exe
| MD5 | b6979f4e03117a724f55e903f66e0171 |
| SHA1 | c6db688e557c511d9e510ef23e2aee641618e7e6 |
| SHA256 | 926dc76914723b380c1046432503bf092fceb3f036993c503f04707d3e2b6444 |
| SHA512 | 3f9132cff971a055bc36ea3727421efe4c94a49f13d331471ea34945c01740ee9c87f9601f37f976ac5e6228b44908c432c890d9ac93e9e079d05d7100729903 |
memory/2648-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2648-8-0x0000000000400000-0x0000000002B40000-memory.dmp
memory/2964-11-0x00000000000D0000-0x00000000000E5000-memory.dmp
memory/2964-16-0x00000000000D0000-0x00000000000E5000-memory.dmp
memory/2964-14-0x00000000000D0000-0x00000000000E5000-memory.dmp
memory/2964-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2604-17-0x0000000000400000-0x0000000002B40000-memory.dmp
memory/2964-18-0x00000000000D0000-0x00000000000E5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-29 12:03
Reported
2024-12-29 12:05
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
149s
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\gxzvhgzt\ImagePath = "C:\\Windows\\SysWOW64\\gxzvhgzt\\gcrrwdja.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.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\gxzvhgzt\gcrrwdja.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1440 set thread context of 4176 | N/A | C:\Windows\SysWOW64\gxzvhgzt\gcrrwdja.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_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\gxzvhgzt\gcrrwdja.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\gxzvhgzt\gcrrwdja.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\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_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gxzvhgzt\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gcrrwdja.exe" C:\Windows\SysWOW64\gxzvhgzt\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create gxzvhgzt binPath= "C:\Windows\SysWOW64\gxzvhgzt\gcrrwdja.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description gxzvhgzt "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start gxzvhgzt
C:\Windows\SysWOW64\gxzvhgzt\gcrrwdja.exe
C:\Windows\SysWOW64\gxzvhgzt\gcrrwdja.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86054a9f4dc9fc201137e9dabab67b47541cad795c5f9c307aebb95a74032385.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 360 -p 4812 -ip 4812
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1032
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1440 -ip 1440
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1440 -s 508
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 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 52.101.8.49:25 | 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 | quadoil.ru | udp |
| US | 8.8.8.8:53 | quadoil.ru | udp |
| US | 8.8.8.8:53 | 58.55.71.13.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 | 67.195.228.106:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | lakeflex.ru | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.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 | 142.250.27.26:25 | 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 | 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 | 94.100.180.31:25 | 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 | 23.236.111.52.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/4812-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmp
memory/4812-2-0x0000000002DA0000-0x0000000002DB3000-memory.dmp
memory/4812-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gcrrwdja.exe
| MD5 | 9d56803e190ec8e936b2fe6797439b90 |
| SHA1 | 9f501d089b4138a29e3e4623ad3c9814283a7ac0 |
| SHA256 | 289db312a712447bef91840a1f500429e2c6d8fff8eef65ea05bd97a4804aba8 |
| SHA512 | f8fa585956f8300c081008994963384bd8a47def522b624f4834c1e00d25c55766f48bc2ebb063542575b7350363c88951a8fe320e403bdb651ecae8af446bde |
memory/4812-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4812-8-0x0000000002DA0000-0x0000000002DB3000-memory.dmp
memory/4812-7-0x0000000000400000-0x0000000002B40000-memory.dmp
memory/4176-11-0x0000000000F60000-0x0000000000F75000-memory.dmp
memory/4176-13-0x0000000000F60000-0x0000000000F75000-memory.dmp
memory/4176-14-0x0000000000F60000-0x0000000000F75000-memory.dmp
memory/1440-15-0x0000000000400000-0x0000000002B40000-memory.dmp