Analysis Overview
SHA256
6f32d5855575c11807a9b7c4225f896e2fa9fca00e265c29237ab0edda8ed70d
Threat Level: Known bad
The file 32cbda26c9835c1c63f2fed688fb5bb9.zip was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Creates new service(s)
Modifies Windows Firewall
Sets service image path in registry
Checks computer location settings
Deletes itself
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
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
2024-09-01 09:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-01 09:50
Reported
2024-09-01 09:53
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
156s
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\xbncwfos\ImagePath = "C:\\Windows\\SysWOW64\\xbncwfos\\tfaxeddr.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.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\xbncwfos\tfaxeddr.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4268 set thread context of 1188 | N/A | C:\Windows\SysWOW64\xbncwfos\tfaxeddr.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\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\xbncwfos\tfaxeddr.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\xbncwfos\tfaxeddr.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\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:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe
"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xbncwfos\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tfaxeddr.exe" C:\Windows\SysWOW64\xbncwfos\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create xbncwfos binPath= "C:\Windows\SysWOW64\xbncwfos\tfaxeddr.exe /d\"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description xbncwfos "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start xbncwfos
C:\Windows\SysWOW64\xbncwfos\tfaxeddr.exe
C:\Windows\SysWOW64\xbncwfos\tfaxeddr.exe /d"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.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 460 -p 3168 -ip 3168
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 1044
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4268 -ip 4268
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 536
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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 20.231.239.246:80 | 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 | 52.101.40.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | 246.239.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 228.249.119.40.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 | 67.195.228.94:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.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 | 74.125.128.26:25 | 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 | 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 | 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 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| 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 |
Files
memory/3168-2-0x00000000009C0000-0x00000000009D3000-memory.dmp
memory/3168-1-0x0000000000A90000-0x0000000000B90000-memory.dmp
memory/3168-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tfaxeddr.exe
| MD5 | 85d3538d00e8390c283134e135e30287 |
| SHA1 | 840c9d01bfdd11349620aef14974e74081ccf265 |
| SHA256 | 49f91b6372dddbcdb05caba64ba34350fcffd48555f1cada67967e429b742faa |
| SHA512 | dcf87948e0cea65572347b0c005e0b864a1d03abe211a4ae33ac17be0ecb6807d7160642e67ad34a3168a24d37e1d4969fdb9c9c96a372b92501261f2d6db5a3 |
memory/3168-9-0x00000000009C0000-0x00000000009D3000-memory.dmp
memory/3168-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/3168-8-0x0000000000400000-0x000000000086A000-memory.dmp
memory/4268-11-0x0000000000400000-0x000000000086A000-memory.dmp
memory/4268-12-0x0000000000400000-0x000000000086A000-memory.dmp
memory/1188-15-0x0000000000450000-0x0000000000465000-memory.dmp
memory/1188-13-0x0000000000450000-0x0000000000465000-memory.dmp
memory/1188-16-0x0000000000450000-0x0000000000465000-memory.dmp
memory/4268-18-0x0000000000400000-0x000000000086A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-01 09:50
Reported
2024-09-01 09:53
Platform
win7-20240704-en
Max time kernel
149s
Max time network
153s
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\ydvzkzrx = "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\ydvzkzrx\ImagePath = "C:\\Windows\\SysWOW64\\ydvzkzrx\\wmhtnzdv.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\ydvzkzrx\wmhtnzdv.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2784 set thread context of 2000 | N/A | C:\Windows\SysWOW64\ydvzkzrx\wmhtnzdv.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:\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\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.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\ydvzkzrx\wmhtnzdv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe
"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ydvzkzrx\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wmhtnzdv.exe" C:\Windows\SysWOW64\ydvzkzrx\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ydvzkzrx binPath= "C:\Windows\SysWOW64\ydvzkzrx\wmhtnzdv.exe /d\"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ydvzkzrx "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ydvzkzrx
C:\Windows\SysWOW64\ydvzkzrx\wmhtnzdv.exe
C:\Windows\SysWOW64\ydvzkzrx\wmhtnzdv.exe /d"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.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 | 20.231.239.246:80 | 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 | 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 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 74.125.128.27:25 | 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 |
| US | 8.8.8.8:53 | refabyd.info | udp |
Files
memory/2472-1-0x00000000002B0000-0x00000000003B0000-memory.dmp
memory/2472-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2472-4-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\wmhtnzdv.exe
| MD5 | 7cf343d053eac6a5db663dcc6e5e932d |
| SHA1 | a46f4de5fa9f09d910c01a4732d06124a8653f8e |
| SHA256 | 43b1d8d9f237fbbc684e3fb417432b1419f7f20015e269566d6967898cf27766 |
| SHA512 | a2f2762d08e4025f962d5c6b761720b95f6fe7017ec71287a448439e6f6b905d71ca40ccc378e4d356c221221fefa17a24f71346c829f54d71b5c5d77aa3192d |
memory/2472-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2472-8-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2472-7-0x0000000000400000-0x000000000086A000-memory.dmp
memory/2000-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2000-16-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2000-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2000-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2784-17-0x0000000000400000-0x000000000086A000-memory.dmp
memory/2000-18-0x0000000000080000-0x0000000000095000-memory.dmp