Analysis Overview
SHA256
7c74a5c28e75dc5c494548b2f305d0bd34ac51c4fbe72e32a24df04397fb4cbd
Threat Level: Known bad
The file c589e57813712cdca2f4e39ab028c665 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
Checks computer location settings
Deletes itself
Executes dropped EXE
Suspicious use of SetThreadContext
Launches sc.exe
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-13 09:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-13 09:37
Reported
2024-03-13 09:39
Platform
win7-20240221-en
Max time kernel
147s
Max time network
138s
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\gqndjmhc = "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\gqndjmhc\ImagePath = "C:\\Windows\\SysWOW64\\gqndjmhc\\dfaricjc.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\gqndjmhc\dfaricjc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1460 set thread context of 2180 | N/A | C:\Windows\SysWOW64\gqndjmhc\dfaricjc.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\c589e57813712cdca2f4e39ab028c665.exe
"C:\Users\Admin\AppData\Local\Temp\c589e57813712cdca2f4e39ab028c665.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gqndjmhc\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dfaricjc.exe" C:\Windows\SysWOW64\gqndjmhc\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create gqndjmhc binPath= "C:\Windows\SysWOW64\gqndjmhc\dfaricjc.exe /d\"C:\Users\Admin\AppData\Local\Temp\c589e57813712cdca2f4e39ab028c665.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description gqndjmhc "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start gqndjmhc
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\gqndjmhc\dfaricjc.exe
C:\Windows\SysWOW64\gqndjmhc\dfaricjc.exe /d"C:\Users\Admin\AppData\Local\Temp\c589e57813712cdca2f4e39ab028c665.exe"
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 | 52.101.42.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| HK | 43.231.4.7:443 | tcp | |
| 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 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| IE | 209.85.203.26:25 | smtp.google.com | tcp |
| HK | 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 | 217.69.139.150:25 | mxs.mail.ru | tcp |
| HK | 43.231.4.7:443 | tcp |
Files
memory/2708-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2708-3-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2708-2-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2708-1-0x0000000000220000-0x0000000000221000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\dfaricjc.exe
| MD5 | 0d2f3d1815929fbf65ce1f9469af4728 |
| SHA1 | c899b614fcc4b42301f836c3fcd8e6e973a76c76 |
| SHA256 | 95e141e8d3f191af05100a54b6b8ea80760654f71a06b37c760a65d09e8186e7 |
| SHA512 | 73d7c39fa54fc2a80225c4dca679afe52a03638cac4ce2fe8d94eee9d588c93e04a170879f1664bfe6d1fe3882e45f344ec50db5af9503bf90db70f5c74ea99a |
memory/2708-6-0x0000000000400000-0x000000000041E000-memory.dmp
C:\Windows\SysWOW64\gqndjmhc\dfaricjc.exe
| MD5 | 292ee52256caf3d56ddd8058f65da965 |
| SHA1 | c2582581ba17710e79b654a4a8f7da1b0131db68 |
| SHA256 | c91a6732ef4d6c974a93ce8d95654028c49e3aee3da5cdb21b7e6991a28a8d5c |
| SHA512 | 23562d6c321ef3f90671e10ff4d8149ed423adc10706afdaab4e575e7ce3e8f408c5616fdeb4050bfada8c56e4ced582fb7752d3aa1ce8345ed4cf4d78428eab |
memory/1460-8-0x0000000000400000-0x000000000041E000-memory.dmp
memory/1460-9-0x0000000000220000-0x0000000000221000-memory.dmp
memory/2180-11-0x00000000000D0000-0x00000000000E5000-memory.dmp
memory/2180-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2180-14-0x00000000000D0000-0x00000000000E5000-memory.dmp
memory/1460-15-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2180-18-0x00000000000D0000-0x00000000000E5000-memory.dmp
memory/2180-19-0x00000000000D0000-0x00000000000E5000-memory.dmp
memory/2180-20-0x00000000000D0000-0x00000000000E5000-memory.dmp
memory/2180-21-0x00000000000D0000-0x00000000000E5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-13 09:37
Reported
2024-03-13 09:39
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
152s
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\hrenqitv\ImagePath = "C:\\Windows\\SysWOW64\\hrenqitv\\xwiejtdq.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c589e57813712cdca2f4e39ab028c665.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\hrenqitv\xwiejtdq.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3720 set thread context of 4492 | N/A | C:\Windows\SysWOW64\hrenqitv\xwiejtdq.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\c589e57813712cdca2f4e39ab028c665.exe
"C:\Users\Admin\AppData\Local\Temp\c589e57813712cdca2f4e39ab028c665.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hrenqitv\
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xwiejtdq.exe" C:\Windows\SysWOW64\hrenqitv\
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create hrenqitv binPath= "C:\Windows\SysWOW64\hrenqitv\xwiejtdq.exe /d\"C:\Users\Admin\AppData\Local\Temp\c589e57813712cdca2f4e39ab028c665.exe\"" type= own start= auto DisplayName= "wifi support"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description hrenqitv "wifi internet conection"
C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start hrenqitv
C:\Windows\SysWOW64\hrenqitv\xwiejtdq.exe
C:\Windows\SysWOW64\hrenqitv\xwiejtdq.exe /d"C:\Users\Admin\AppData\Local\Temp\c589e57813712cdca2f4e39ab028c665.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 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | 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 | 133.250.112.20.in-addr.arpa | udp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 98.136.96.74:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| IE | 209.85.203.26:25 | smtp.google.com | tcp |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | 189.178.17.96.in-addr.arpa | 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 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | 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 |
| HK | 43.231.4.7:443 | tcp | |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 169.117.168.52.in-addr.arpa | udp |
Files
memory/836-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/836-2-0x0000000000400000-0x000000000041E000-memory.dmp
memory/836-3-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/836-1-0x00000000006C0000-0x00000000006C1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\xwiejtdq.exe
| MD5 | 103fa56bbbf7f69b1f554acb22b00a56 |
| SHA1 | ba9968ad9178a12fcc8233a36b9dc3b28b4ff38a |
| SHA256 | 72afe1dce02f63aff5116011cd9f3d3123dee9aef3d870f84e0acb187fef8de4 |
| SHA512 | 6ddcf83dda09e0358097261a81a94f1460a2b3b914ea2d43ee688e1dc16e3e1686b18fef4a8b025054934af093af062734bda2a9dab3cbd5acdb1f6dcc55418f |
memory/3720-7-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3720-9-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
memory/4492-10-0x0000000000130000-0x0000000000145000-memory.dmp
memory/3720-11-0x0000000000400000-0x000000000041E000-memory.dmp
memory/836-14-0x0000000000400000-0x000000000041E000-memory.dmp
memory/4492-15-0x0000000000130000-0x0000000000145000-memory.dmp
memory/4492-16-0x0000000000130000-0x0000000000145000-memory.dmp
memory/4492-17-0x0000000000130000-0x0000000000145000-memory.dmp
memory/4492-18-0x0000000000130000-0x0000000000145000-memory.dmp