Analysis Overview
SHA256
52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5
Threat Level: Known bad
The file 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5 was found to be: Known bad.
Malicious Activity Summary
Modifies security service
Modifies WinLogon for persistence
Windows security bypass
Darkcomet
Darkcomet family
Sets file to hidden
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Windows security modification
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Suspicious use of SetWindowsHookEx
System policy modification
Modifies registry class
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-10 17:53
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-10 17:53
Reported
2024-08-10 17:55
Platform
win7-20240705-en
Max time kernel
150s
Max time network
144s
Command Line
Signatures
Darkcomet
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\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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 |
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\Documents\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\MSDCSC\msdcsc.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:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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\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 |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| 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 |
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\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe
"C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe" +s +h
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | april-came.gl.at.ply.gg | udp |
| US | 147.185.221.21:61838 | april-came.gl.at.ply.gg | tcp |
| US | 147.185.221.21:61838 | april-came.gl.at.ply.gg | tcp |
| US | 147.185.221.21:61838 | april-came.gl.at.ply.gg | tcp |
Files
memory/1660-0-0x0000000000240000-0x0000000000241000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | cc9acc9e7253ddefeea935cf0e706272 |
| SHA1 | f2fa28d60ddae4a90747bec861e6b4ba6e9486a9 |
| SHA256 | 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5 |
| SHA512 | 4aab367331b9dd69d7ae5b520718542f260e1630f291728b19e682d5e737d3428441df65c58946d48e806906566a05e823b5a87ce337bc4923c29d3b87092c64 |
memory/2992-12-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2992-50-0x0000000000270000-0x0000000000271000-memory.dmp
memory/1660-51-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/2360-52-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/2360-53-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/2360-54-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/2360-58-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/2360-59-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/2360-61-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/2360-62-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/2360-63-0x0000000000400000-0x00000000004F4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-10 17:53
Reported
2024-08-10 17:55
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
124s
Command Line
Signatures
Darkcomet
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\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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 |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
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\cmd.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\Documents\MSDCSC\msdcsc.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:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| 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 |
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\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe
"C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.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\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5.exe" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | april-came.gl.at.ply.gg | udp |
| US | 147.185.221.21:61838 | april-came.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 21.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/3060-0-0x0000000002540000-0x0000000002541000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | cc9acc9e7253ddefeea935cf0e706272 |
| SHA1 | f2fa28d60ddae4a90747bec861e6b4ba6e9486a9 |
| SHA256 | 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5 |
| SHA512 | 4aab367331b9dd69d7ae5b520718542f260e1630f291728b19e682d5e737d3428441df65c58946d48e806906566a05e823b5a87ce337bc4923c29d3b87092c64 |
memory/1788-61-0x0000000000870000-0x0000000000871000-memory.dmp
memory/232-62-0x0000000000EF0000-0x0000000000EF1000-memory.dmp
memory/3060-63-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/1788-64-0x0000000000400000-0x00000000004F4000-memory.dmp