Analysis Overview
SHA256
381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac
Threat Level: Known bad
The file 381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Checks BIOS information in registry
Suspicious use of SetThreadContext
Program crash
Checks processor information in registry
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-11 02:55
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-11 02:55
Reported
2022-10-11 04:16
Platform
win7-20220812-en
Max time kernel
40s
Max time network
46s
Command Line
Signatures
Darkcomet
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 832 set thread context of 1640 | N/A | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe |
| PID 1640 set thread context of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | C:\Windows\SysWOW64\explorer.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.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\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.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\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe
"C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe"
C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe
C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 124
Network
Files
memory/1640-54-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-55-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-57-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-60-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-63-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-67-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-70-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-73-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-75-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-77-0x000000000048E85C-mapping.dmp
memory/1640-78-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-79-0x0000000075091000-0x0000000075093000-memory.dmp
memory/1640-80-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1640-81-0x000000000048E000-0x0000000000490000-memory.dmp
memory/1640-82-0x0000000000401000-0x000000000048E000-memory.dmp
memory/1984-83-0x0000000000800000-0x0000000000825000-memory.dmp
memory/1984-85-0x0000000000800000-0x0000000000825000-memory.dmp
memory/1984-86-0x00000000008190AC-mapping.dmp
memory/1984-87-0x0000000000800000-0x0000000000825000-memory.dmp
memory/1984-88-0x0000000000800000-0x0000000000825000-memory.dmp
memory/520-89-0x0000000000000000-mapping.dmp
memory/1984-90-0x0000000000800000-0x0000000000825000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-11 02:55
Reported
2022-10-11 04:15
Platform
win10v2004-20220901-en
Max time kernel
90s
Max time network
156s
Command Line
Signatures
Darkcomet
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4708 set thread context of 3504 | N/A | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe |
| PID 3504 set thread context of 4616 | N/A | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | C:\Windows\SysWOW64\explorer.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.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\Identifier | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.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\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe
"C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe"
C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe
C:\Users\Admin\AppData\Local\Temp\381eae7a558d8599f67b1dca1131fa92d500d14e4b56b90f0e6ff656984471ac.exe
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4616 -ip 4616
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 20.42.65.84:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 104.80.229.204:443 | tcp |
Files
memory/3504-132-0x0000000000000000-mapping.dmp
memory/3504-133-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-134-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-135-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-137-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-139-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-140-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-141-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-143-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-144-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3504-145-0x000000000048E000-0x0000000000490000-memory.dmp
memory/3504-146-0x0000000000401000-0x000000000048E000-memory.dmp
memory/4616-147-0x0000000000000000-mapping.dmp
memory/4616-148-0x0000000000800000-0x0000000000825000-memory.dmp
memory/4616-149-0x0000000000800000-0x0000000000825000-memory.dmp
memory/4616-150-0x0000000000800000-0x0000000000825000-memory.dmp
memory/4616-151-0x0000000000800000-0x0000000000825000-memory.dmp
memory/4616-152-0x0000000000800000-0x0000000000825000-memory.dmp