Analysis Overview
SHA256
a0b7aeeece34b200813eb2cb3e11bf9f6a569de6b393a6486b05f1fafcdc42cb
Threat Level: Known bad
The file 80886a1c834f57b2fb57d166d1b31430.zip was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Tofsee
Sets service image path in registry
Creates new service(s)
Modifies Windows Firewall
Deletes itself
Checks computer location settings
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-31 15:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 15:01
Reported
2024-08-31 15:04
Platform
win7-20240708-en
Max time kernel
145s
Max time network
122s
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\nwckwju = "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\nwckwju\ImagePath = "C:\\Windows\\SysWOW64\\nwckwju\\auwtnjty.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\nwckwju\auwtnjty.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2788 set thread context of 2932 | N/A | C:\Windows\SysWOW64\nwckwju\auwtnjty.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\nwckwju\auwtnjty.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\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe
"C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nwckwju\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\auwtnjty.exe" C:\Windows\SysWOW64\nwckwju\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create nwckwju binPath= "C:\Windows\SysWOW64\nwckwju\auwtnjty.exe /d\"C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description nwckwju "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start nwckwju
C:\Windows\SysWOW64\nwckwju\auwtnjty.exe
C:\Windows\SysWOW64\nwckwju\auwtnjty.exe /d"C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.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
Network
| Country | Destination | Domain | Proto |
| 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 |
| AU | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 98.136.96.75:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 173.194.79.26:25 | smtp.google.com | tcp |
| AU | 43.231.4.7:443 | 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 |
| AU | 43.231.4.7:443 | tcp |
Files
memory/2308-1-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2308-0-0x0000000000250000-0x0000000000251000-memory.dmp
memory/2308-2-0x0000000000260000-0x0000000000261000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\auwtnjty.exe
| MD5 | 772073fe0ebde6e4e67187da3b2831e2 |
| SHA1 | 4a04241e43222e366952b494bf2101248a8229aa |
| SHA256 | 4d30dcf78b385c2712a7915d6e593367e4a52c2a767105279ec918bb9c4ba043 |
| SHA512 | bc3735d9b62dde6a34d317b72c77d6355d485ae9baf2ce12fc7f3bf2319a05e5e424fe54053631564e8022cf248cf5d302d99a812d94a1583c93abce51e483f9 |
memory/2932-7-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2932-10-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2932-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2788-12-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2308-13-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2932-14-0x0000000000080000-0x0000000000095000-memory.dmp
memory/2932-15-0x0000000000080000-0x0000000000095000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-31 15:01
Reported
2024-08-31 15:04
Platform
win10v2004-20240802-en
Max time kernel
147s
Max time network
126s
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\eadtdto\ImagePath = "C:\\Windows\\SysWOW64\\eadtdto\\onzvakuh.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.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\eadtdto\onzvakuh.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 536 set thread context of 376 | N/A | C:\Windows\SysWOW64\eadtdto\onzvakuh.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\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 |
| 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\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\eadtdto\onzvakuh.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\sc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe
"C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eadtdto\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\onzvakuh.exe" C:\Windows\SysWOW64\eadtdto\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create eadtdto binPath= "C:\Windows\SysWOW64\eadtdto\onzvakuh.exe /d\"C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description eadtdto "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start eadtdto
C:\Windows\SysWOW64\eadtdto\onzvakuh.exe
C:\Windows\SysWOW64\eadtdto\onzvakuh.exe /d"C:\Users\Admin\AppData\Local\Temp\9a6b44b5b8536a0cc1a4f7f996ca0ccf0524c591b382a0c1e6be630d172ad009.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.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
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.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 |
| US | 20.112.250.133:80 | microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | 133.250.112.20.in-addr.arpa | 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 |
| AU | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 67.195.228.110:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| NL | 173.194.69.27:25 | smtp.google.com | tcp |
| AU | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 73.144.22.2.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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| AU | 43.231.4.7:443 | tcp |
Files
memory/4588-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4588-2-0x00000000004B0000-0x00000000004B1000-memory.dmp
memory/4588-1-0x00000000004A0000-0x00000000004A1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\onzvakuh.exe
| MD5 | d1f2660c617b872f3d480a51c7953b15 |
| SHA1 | d90241b9c28b16cd33173b007a8a0639e4f1d10d |
| SHA256 | 5c29e816dfd3658463472ee4b25879018f36a275d55d16fd755ba5a9c5895c15 |
| SHA512 | 8d9a135db48bace1905065074c4e33967400e4e88a20297902c3481ce2702284d6ffb9911e30584e5096eb6cef358660b711d6ecf5303d40723fbc6102c3ea87 |
memory/536-6-0x0000000000570000-0x0000000000571000-memory.dmp
memory/376-8-0x0000000000460000-0x0000000000475000-memory.dmp
memory/376-11-0x0000000000460000-0x0000000000475000-memory.dmp
memory/536-12-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4588-13-0x0000000000400000-0x000000000041F000-memory.dmp
memory/376-14-0x0000000000460000-0x0000000000475000-memory.dmp
memory/376-15-0x0000000000460000-0x0000000000475000-memory.dmp
memory/376-16-0x0000000000460000-0x0000000000475000-memory.dmp