Analysis Overview
SHA256
20d18575cd105fb4081c0de2bb959303a7d18e8e1afee5dfd33728fdd223c23b
Threat Level: Known bad
The file 20d18575cd105fb4081c0de2bb959303a7d18e8e1afee5dfd33728fdd223c23b was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee
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
Program crash
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 00:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 00:58
Reported
2024-08-31 01:01
Platform
win7-20240729-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\hiedfgiy = "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\hiedfgiy\ImagePath = "C:\\Windows\\SysWOW64\\hiedfgiy\\pernzyrd.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\hiedfgiy\pernzyrd.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2712 set thread context of 2456 | N/A | C:\Windows\SysWOW64\hiedfgiy\pernzyrd.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\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.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\hiedfgiy\pernzyrd.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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe
"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hiedfgiy\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pernzyrd.exe" C:\Windows\SysWOW64\hiedfgiy\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create hiedfgiy binPath= "C:\Windows\SysWOW64\hiedfgiy\pernzyrd.exe /d\"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description hiedfgiy "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start hiedfgiy
C:\Windows\SysWOW64\hiedfgiy\pernzyrd.exe
C:\Windows\SysWOW64\hiedfgiy\pernzyrd.exe /d"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.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 | 52.101.11.0:25 | 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 | 98.136.96.74:25 | 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 | 142.250.153.26:25 | 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 |
| US | 8.8.8.8:53 | refabyd.info | udp |
Files
memory/2232-1-0x0000000000930000-0x0000000000A30000-memory.dmp
memory/2232-2-0x0000000000220000-0x0000000000233000-memory.dmp
memory/2232-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pernzyrd.exe
| MD5 | 7101c907fc794ddb330e42a2d67cf7ae |
| SHA1 | 244eb5ea2149a31bd2683b4b1279cff1813b1c53 |
| SHA256 | 3658266840cb06eb4d4cfc028bf59dbad60b2f58c81334df6bbe42a302c09964 |
| SHA512 | cceb43577c8ec608dfa0efc7dc99fd8e36108ec21b983ba81a3cd5cdc23acec3dbcff2d3acd5a4c6717ad21c418a308a0d72156399542a8953ecddcef0da034e |
memory/2232-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2232-9-0x0000000000220000-0x0000000000233000-memory.dmp
memory/2232-8-0x0000000000400000-0x0000000000870000-memory.dmp
memory/2456-16-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2456-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2456-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2456-11-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2712-17-0x0000000000400000-0x0000000000870000-memory.dmp
memory/2456-18-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 00:58
Reported
2024-08-31 01:01
Platform
win10v2004-20240802-en
Max time kernel
145s
Max time network
144s
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\clphekja\ImagePath = "C:\\Windows\\SysWOW64\\clphekja\\gwwwlcia.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.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\clphekja\gwwwlcia.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4596 set thread context of 4700 | N/A | C:\Windows\SysWOW64\clphekja\gwwwlcia.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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\clphekja\gwwwlcia.exe |
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\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\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.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\clphekja\gwwwlcia.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\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe
"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\clphekja\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gwwwlcia.exe" C:\Windows\SysWOW64\clphekja\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create clphekja binPath= "C:\Windows\SysWOW64\clphekja\gwwwlcia.exe /d\"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description clphekja "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start clphekja
C:\Windows\SysWOW64\clphekja\gwwwlcia.exe
C:\Windows\SysWOW64\clphekja\gwwwlcia.exe /d"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.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 620 -ip 620
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 1188
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4596 -ip 4596
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 532
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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.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 | microsoft.com | udp |
| US | 8.8.8.8:53 | microsoft-com.mail.protection.outlook.com | udp |
| US | 52.101.194.0:25 | 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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.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 | 133.211.185.52.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 | 98.136.96.91:25 | 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 | 198.187.3.20.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 | 142.250.145.27:25 | 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 | 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 | 26.35.223.20.in-addr.arpa | 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 | 13.227.111.52.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 | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.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 | defeatwax.ru | udp |
Files
memory/620-1-0x0000000000A10000-0x0000000000B10000-memory.dmp
memory/620-2-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/620-3-0x0000000000400000-0x0000000000415000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gwwwlcia.exe
| MD5 | 87822d2825ab2f4c491dcc54a0994260 |
| SHA1 | d98061d0ba0be95f92cbd8275ea33eb18924996c |
| SHA256 | a76a6d2b8e97a37a8bcfae4471da35056b3cfdbeae0ef29800418b63c9db613a |
| SHA512 | 5c34dfef757a799f7fe0395fe61b494cd4e44a4d2437939c90a32c30cde81b820f2788c29c86b597a38b6a71709892849ae5cdfe63d22f81c0f9c1ceb7be2818 |
memory/620-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/620-9-0x00000000001C0000-0x00000000001D3000-memory.dmp
memory/620-8-0x0000000000400000-0x0000000000870000-memory.dmp
memory/4596-11-0x0000000000400000-0x0000000000870000-memory.dmp
memory/4700-14-0x0000000000C00000-0x0000000000C15000-memory.dmp
memory/4700-12-0x0000000000C00000-0x0000000000C15000-memory.dmp
memory/4596-15-0x0000000000400000-0x0000000000870000-memory.dmp
memory/4700-16-0x0000000000C00000-0x0000000000C15000-memory.dmp
memory/4596-18-0x0000000000400000-0x0000000000870000-memory.dmp