Analysis Overview
SHA256
d9491f47925462566a31712bc2ff372b2038c1e0c06765c6acc6df1eb1db3d79
Threat Level: Known bad
The file de5da42d2a492730c54beb78daf4a683 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Windows security bypass
Creates new service(s)
Sets service image path in registry
Modifies Windows Firewall
Deletes itself
Executes dropped EXE
Checks computer location settings
Suspicious use of SetThreadContext
Launches sc.exe
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 15:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 15:43
Reported
2024-03-25 15:46
Platform
win7-20240221-en
Max time kernel
147s
Max time network
146s
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\aqfghorx = "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\aqfghorx\ImagePath = "C:\\Windows\\SysWOW64\\aqfghorx\\bvrxiskq.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\aqfghorx\bvrxiskq.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2592 set thread context of 2744 | N/A | C:\Windows\SysWOW64\aqfghorx\bvrxiskq.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\de5da42d2a492730c54beb78daf4a683.exe
"C:\Users\Admin\AppData\Local\Temp\de5da42d2a492730c54beb78daf4a683.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aqfghorx\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bvrxiskq.exe" C:\Windows\SysWOW64\aqfghorx\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create aqfghorx binPath= "C:\Windows\SysWOW64\aqfghorx\bvrxiskq.exe /d\"C:\Users\Admin\AppData\Local\Temp\de5da42d2a492730c54beb78daf4a683.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description aqfghorx "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start aqfghorx
C:\Windows\SysWOW64\aqfghorx\bvrxiskq.exe
C:\Windows\SysWOW64\aqfghorx\bvrxiskq.exe /d"C:\Users\Admin\AppData\Local\Temp\de5da42d2a492730c54beb78daf4a683.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 | 104.47.53.36:25 | 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 | 67.195.228.111:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| BE | 142.250.110.27:25 | 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/2940-2-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2940-1-0x0000000002480000-0x0000000002580000-memory.dmp
memory/2940-4-0x0000000000400000-0x00000000023AD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bvrxiskq.exe
| MD5 | 2c4b9af5af82837125f462b8a11541b0 |
| SHA1 | e60ffc065d744f725f7de7f842a88e4dad400802 |
| SHA256 | ac064ffdf74d0ead32fb54e70a9552624f93edd12f30c9bd5aceaf550a292fc5 |
| SHA512 | b6ead5bfdac0a4e6472cbfc22aafdd300e2646821618584beab6e69ff93d81fbb9e3e6e3f25068c23127797b923e95fde815174368e1d32c4f1426fbbcaec14c |
C:\Windows\SysWOW64\aqfghorx\bvrxiskq.exe
| MD5 | 3a8ea167a4dbba41f464312a1b2c5fb5 |
| SHA1 | d9544826f82d0c7a5647fe209bf9c0988888bff8 |
| SHA256 | 92ccf111bdff9f8944b304da9677819393a8743fec175976e229483d066e11e4 |
| SHA512 | f57e5945b8da60a4726af7a4f014907a527c193a1c4746b9ef62fcd0ff7855a7707b1da9a10aed333032a180d21722edb2aeaa31556a490ca64add30491fdb68 |
memory/2592-10-0x0000000000020000-0x0000000000033000-memory.dmp
memory/2940-8-0x0000000000400000-0x00000000023AD000-memory.dmp
memory/2592-9-0x0000000002470000-0x0000000002570000-memory.dmp
memory/2744-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2744-12-0x00000000000E0000-0x00000000000F5000-memory.dmp
memory/2592-11-0x0000000000400000-0x00000000023AD000-memory.dmp
memory/2744-15-0x00000000000E0000-0x00000000000F5000-memory.dmp
memory/2592-16-0x0000000000400000-0x00000000023AD000-memory.dmp
memory/2744-20-0x00000000000E0000-0x00000000000F5000-memory.dmp
memory/2744-21-0x00000000000E0000-0x00000000000F5000-memory.dmp
memory/2744-22-0x00000000000E0000-0x00000000000F5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 15:43
Reported
2024-03-25 15:46
Platform
win10v2004-20240226-en
Max time kernel
151s
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\phwayht\ImagePath = "C:\\Windows\\SysWOW64\\phwayht\\ovhudqrl.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\de5da42d2a492730c54beb78daf4a683.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\phwayht\ovhudqrl.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 940 set thread context of 1788 | N/A | C:\Windows\SysWOW64\phwayht\ovhudqrl.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\de5da42d2a492730c54beb78daf4a683.exe
"C:\Users\Admin\AppData\Local\Temp\de5da42d2a492730c54beb78daf4a683.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\phwayht\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ovhudqrl.exe" C:\Windows\SysWOW64\phwayht\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create phwayht binPath= "C:\Windows\SysWOW64\phwayht\ovhudqrl.exe /d\"C:\Users\Admin\AppData\Local\Temp\de5da42d2a492730c54beb78daf4a683.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description phwayht "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start phwayht
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\phwayht\ovhudqrl.exe
C:\Windows\SysWOW64\phwayht\ovhudqrl.exe /d"C:\Users\Admin\AppData\Local\Temp\de5da42d2a492730c54beb78daf4a683.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.211.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.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 | 57.169.31.20.in-addr.arpa | udp |
| 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 | 133.250.112.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 0.159.190.20.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 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | 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 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| 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 |
| BE | 142.250.110.27:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | refabyd.info | 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 | refabyd.info | udp |
| US | 8.8.8.8:53 | 195.177.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | refabyd.info | udp |
| US | 8.8.8.8:53 | 206.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | 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 | 18.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | defeatwax.ru | udp |
Files
memory/1620-1-0x00000000026D0000-0x00000000027D0000-memory.dmp
memory/1620-2-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/1620-4-0x0000000000400000-0x00000000023AD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ovhudqrl.exe
| MD5 | 3193f369a36885cf807111ed87130805 |
| SHA1 | 32c23e5a1dc24db309414870aa4231ee105876b9 |
| SHA256 | 286c6a9c4959c5484b569a1984babd0dac16c4311763485e083be4db20bb1020 |
| SHA512 | b0e8a38efc3ba242400cf967ef2623e6b85c19fb275e056117918fbbea0815dac07b6c6372e168af390e57d382780ceab99c46854bb1d2becd29b121a01654dd |
C:\Windows\SysWOW64\phwayht\ovhudqrl.exe
| MD5 | 5db7aedb7eeed0ee036b466cd228410c |
| SHA1 | 44093d3dc0008e7d258e3bea104862fb317b39ec |
| SHA256 | 19054a75dfc49e1f75dee8faf6572c76e5307b561a3da89d7ddd5913200013d8 |
| SHA512 | 643c46f74973d3c27a5a0aa27a1524d1c08f57d204c3aa6a74d09eeb40f039592fc96c7de438d93e0b04ad55ba0d7d5e000df6080c3303b8b256a59284de5fc7 |
memory/1620-8-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/1620-6-0x0000000000400000-0x00000000023AD000-memory.dmp
memory/940-10-0x0000000002620000-0x0000000002720000-memory.dmp
memory/1788-11-0x0000000000EB0000-0x0000000000EC5000-memory.dmp
memory/940-16-0x0000000000400000-0x00000000023AD000-memory.dmp
memory/1788-15-0x0000000000EB0000-0x0000000000EC5000-memory.dmp
memory/1788-17-0x0000000000EB0000-0x0000000000EC5000-memory.dmp
memory/940-14-0x0000000000400000-0x00000000023AD000-memory.dmp
memory/1788-18-0x0000000000EB0000-0x0000000000EC5000-memory.dmp
memory/1788-19-0x0000000000EB0000-0x0000000000EC5000-memory.dmp