Analysis Overview
SHA256
9ddd4b094446a4932e71a3307c2a5210c8cb53be65d006840503c285d571e123
Threat Level: Known bad
The file VRThook Spoofer.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
AgentTesla payload
Downloads MZ/PE file
Sets service image path in registry
Checks computer location settings
Executes dropped EXE
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Delays execution with timeout.exe
Enumerates system info in registry
Suspicious behavior: LoadsDriver
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-18 15:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-18 15:54
Reported
2024-05-18 15:55
Platform
win10v2004-20240508-en
Max time kernel
66s
Max time network
72s
Command Line
Signatures
AgentTesla
AgentTesla payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\cszChebCbH\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\cszChebCbH" | C:\Windows\mapper.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mapper.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\mapper.exe | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
| File created | C:\Windows\driver.sys | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
Enumerates physical storage devices
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mapper.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\mapper.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5112 wrote to memory of 2416 | N/A | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5112 wrote to memory of 2416 | N/A | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5112 wrote to memory of 2416 | N/A | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2416 wrote to memory of 3340 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\mapper.exe |
| PID 2416 wrote to memory of 3340 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\mapper.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Windows\mapper.exe C:\Windows\driver.sys
C:\Windows\mapper.exe
C:\Windows\mapper.exe C:\Windows\driver.sys
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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 104.26.0.5:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 5.0.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 129.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tazzontop.cdn.zerocdn.com | udp |
| RU | 176.58.48.48:443 | tazzontop.cdn.zerocdn.com | tcp |
| US | 8.8.8.8:53 | tazzontop.tornado.zerocdn.com | udp |
| RU | 176.58.38.67:443 | tazzontop.tornado.zerocdn.com | tcp |
| US | 8.8.8.8:53 | 48.48.58.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tazzontop.nailium.zerocdn.com | udp |
| RU | 176.58.39.107:443 | tazzontop.nailium.zerocdn.com | tcp |
| US | 8.8.8.8:53 | 67.38.58.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.39.58.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.89.16.2.in-addr.arpa | udp |
Files
memory/5112-0-0x000000007495E000-0x000000007495F000-memory.dmp
memory/5112-1-0x0000000000300000-0x0000000000A1E000-memory.dmp
memory/5112-2-0x0000000005AE0000-0x0000000006084000-memory.dmp
memory/5112-3-0x0000000005530000-0x00000000055C2000-memory.dmp
memory/5112-4-0x00000000053A0000-0x00000000053B2000-memory.dmp
memory/5112-5-0x0000000005440000-0x000000000544A000-memory.dmp
memory/5112-6-0x0000000074950000-0x0000000075100000-memory.dmp
memory/5112-7-0x00000000056C0000-0x00000000057DA000-memory.dmp
memory/5112-8-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/5112-9-0x0000000006090000-0x00000000062A4000-memory.dmp
memory/5112-10-0x00000000074D0000-0x000000000756C000-memory.dmp
memory/5112-11-0x0000000074950000-0x0000000075100000-memory.dmp
memory/5112-13-0x0000000009400000-0x000000000943C000-memory.dmp
memory/5112-14-0x000000007495E000-0x000000007495F000-memory.dmp
memory/5112-15-0x0000000074950000-0x0000000075100000-memory.dmp
memory/5112-17-0x0000000009E10000-0x0000000009E8C000-memory.dmp
C:\Windows\mapper.exe
| MD5 | 00047e72bb99132267a4bec3158917a2 |
| SHA1 | caf72159dba3bf2af1e6f68cbcbbab7b981a4f0e |
| SHA256 | e4f0fa3c70a4c20e7f79ac8e0c0c7b3e58e97a8e9d42274d51a54ebf9e8da5e4 |
| SHA512 | 7f573d3a8a68a491c45009ce1beabc8280ccf50e10048b019146e28892c8bf3e90519721682dec5a53aa2c623af952c9957da3cf5338cded801fc7dedce99dc5 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-18 15:54
Reported
2024-05-18 15:57
Platform
win11-20240508-en
Max time kernel
92s
Max time network
93s
Command Line
Signatures
AgentTesla
AgentTesla payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4852 wrote to memory of 1768 | N/A | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4852 wrote to memory of 1768 | N/A | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4852 wrote to memory of 1768 | N/A | C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1768 wrote to memory of 2024 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1768 wrote to memory of 2024 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1768 wrote to memory of 2024 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2024 wrote to memory of 72 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 2024 wrote to memory of 72 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 2024 wrote to memory of 72 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c start cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":false,"message":"Session not found. Use latest code. You can only have app opened 1 at a time."} && timeout /t 5"
C:\Windows\SysWOW64\cmd.exe
cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":false,"message":"Session not found. Use latest code. You can only have app opened 1 at a time."} && timeout /t 5"
C:\Windows\SysWOW64\timeout.exe
timeout /t 5
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 104.26.0.5:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | 5.0.26.104.in-addr.arpa | udp |
Files
memory/4852-0-0x000000007466E000-0x000000007466F000-memory.dmp
memory/4852-1-0x0000000000C10000-0x000000000132E000-memory.dmp
memory/4852-2-0x0000000006300000-0x00000000068A6000-memory.dmp
memory/4852-4-0x0000000005D90000-0x0000000005DA2000-memory.dmp
memory/4852-3-0x0000000005E30000-0x0000000005EC2000-memory.dmp
memory/4852-5-0x0000000005E10000-0x0000000005E1A000-memory.dmp
memory/4852-6-0x0000000074660000-0x0000000074E11000-memory.dmp
memory/4852-7-0x0000000006060000-0x000000000617A000-memory.dmp
memory/4852-8-0x0000000006190000-0x00000000061F6000-memory.dmp
memory/4852-9-0x00000000069B0000-0x0000000006BC4000-memory.dmp
memory/4852-10-0x0000000007EA0000-0x0000000007F3C000-memory.dmp
memory/4852-11-0x0000000074660000-0x0000000074E11000-memory.dmp
memory/4852-13-0x000000000A1B0000-0x000000000A1EC000-memory.dmp
memory/4852-14-0x000000007466E000-0x000000007466F000-memory.dmp
memory/4852-15-0x0000000074660000-0x0000000074E11000-memory.dmp
memory/4852-16-0x0000000074660000-0x0000000074E11000-memory.dmp
memory/4852-19-0x0000000074660000-0x0000000074E11000-memory.dmp