Analysis Overview
SHA256
501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb
Threat Level: Known bad
The file 501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Modifies firewall policy service
Darkcomet family
Windows security bypass
Modifies security service
Disables Task Manager via registry modification
Disables RegEdit via registry modification
Sets file to hidden
Windows security modification
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
System Network Configuration Discovery: Internet Connection Discovery
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
System policy modification
Views/modifies file attributes
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-02 01:05
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-03-02 01:05
Reported
2025-03-02 01:06
Platform
win7-20240903-en
Max time kernel
60s
Max time network
53s
Command Line
Signatures
Darkcomet
Darkcomet family
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\F.EXE | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables Task Manager via registry modification
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\F.EXE | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\F.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\F.EXE | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\F.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\notepad.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\notepad.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\attrib.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\F.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:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe
"C:\Users\Admin\AppData\Local\Temp\501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe"
C:\Users\Admin\AppData\Local\Temp\F.EXE
"C:\Users\Admin\AppData\Local\Temp\F.EXE"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\F.EXE" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\F.EXE" +s +h
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\Desktop\PingCompare.js"
C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Public\Videos\Sample Videos\Wildlife.wmv"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | egegeg.duckdns.org | udp |
| TR | 176.40.155.17:1604 | egegeg.duckdns.org | tcp |
| TR | 176.40.155.17:1604 | egegeg.duckdns.org | tcp |
| TR | 176.40.155.17:1604 | egegeg.duckdns.org | tcp |
Files
\Users\Admin\AppData\Local\Temp\F.EXE
| MD5 | c72eec4eb51c62ad455de07d00a77898 |
| SHA1 | 0251b8765a12ecb029bae796235e8283f04e96c4 |
| SHA256 | 93435ead1cf9caa1edc3c0018b2a98c05bc0fb44af68331f5562b9aebbae1f80 |
| SHA512 | 31da3b9a762d7a6e512e9cab8d7383e9f855d16e88652b49629ba51ef6f8b93c9032885e89d9ad5af7afad908bce179679883fcea85c86cc15411bae65018322 |
memory/1992-9-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/2712-29-0x0000000000190000-0x0000000000191000-memory.dmp
memory/2712-14-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2712-30-0x00000000003E0000-0x0000000000410000-memory.dmp
memory/2620-78-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/1992-79-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/2712-81-0x00000000003E0000-0x0000000000410000-memory.dmp
memory/2664-82-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/2664-89-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/2296-92-0x000000013F160000-0x000000013F258000-memory.dmp
memory/2296-93-0x000007FEF6E30000-0x000007FEF6E64000-memory.dmp
memory/2296-96-0x000007FEF6DF0000-0x000007FEF6E07000-memory.dmp
memory/2296-95-0x000007FEF6E10000-0x000007FEF6E28000-memory.dmp