Analysis Overview
SHA256
8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec
Threat Level: Known bad
The file 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Darkcomet family
Darkcomet
Modifies firewall policy service
Modifies security service
Disables RegEdit via registry modification
Disables Task Manager via registry modification
Checks BIOS information in registry
Windows security modification
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of WriteProcessMemory
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-11 02:20
Signatures
Darkcomet family
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-11 02:20
Reported
2022-10-11 03:17
Platform
win7-20220901-en
Max time kernel
151s
Max time network
51s
Command Line
Signatures
Darkcomet
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Windows\SysWOW64\explorer.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Windows\SysWOW64\explorer.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\SysWOW64\explorer.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Windows\SysWOW64\explorer.exe | N/A |
Disables Task Manager via registry modification
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\explorer.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1600 set thread context of 852 | N/A | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | C:\Windows\SysWOW64\explorer.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe
"C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe"
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
Files
memory/1600-54-0x00000000752B1000-0x00000000752B3000-memory.dmp
memory/852-55-0x0000000013140000-0x000000001320F000-memory.dmp
memory/852-57-0x0000000013140000-0x000000001320F000-memory.dmp
memory/852-58-0x00000000131D08B4-mapping.dmp
memory/852-59-0x0000000013140000-0x000000001320F000-memory.dmp
memory/852-61-0x0000000013140000-0x000000001320F000-memory.dmp
memory/852-62-0x0000000013140000-0x000000001320F000-memory.dmp
memory/852-63-0x0000000013140000-0x000000001320F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-11 02:20
Reported
2022-10-11 03:18
Platform
win10v2004-20220812-en
Max time kernel
172s
Max time network
175s
Command Line
Signatures
Darkcomet
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Windows\SysWOW64\explorer.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" | C:\Windows\SysWOW64\explorer.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\SysWOW64\explorer.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Windows\SysWOW64\explorer.exe | N/A |
Disables Task Manager via registry modification
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\explorer.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 988 set thread context of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | C:\Windows\SysWOW64\explorer.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 988 wrote to memory of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 988 wrote to memory of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 988 wrote to memory of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 988 wrote to memory of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 988 wrote to memory of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe | C:\Windows\SysWOW64\explorer.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe
"C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe"
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.221.240:80 | tcp | |
| NL | 8.238.23.254:80 | tcp | |
| NL | 8.238.23.254:80 | tcp | |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| DE | 51.116.253.170:443 | tcp | |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
| US | 8.8.8.8:53 | hamza12213.no-ip.biz | udp |
Files
memory/3592-132-0x0000000000000000-mapping.dmp
memory/3592-133-0x0000000013140000-0x000000001320F000-memory.dmp
memory/3592-134-0x0000000013140000-0x000000001320F000-memory.dmp
memory/3592-135-0x0000000013140000-0x000000001320F000-memory.dmp
memory/3592-136-0x0000000013140000-0x000000001320F000-memory.dmp
memory/3592-137-0x0000000013140000-0x000000001320F000-memory.dmp