Analysis Overview
SHA256
ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81
Threat Level: Known bad
The file ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Sets file to hidden
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Modifies registry class
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-11 06:32
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-11 06:32
Reported
2022-10-11 08:15
Platform
win7-20220901-en
Max time kernel
45s
Max time network
49s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe
"C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe"
Network
Files
memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp
memory/1048-55-0x00000000001D0000-0x00000000001D4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-11 06:32
Reported
2022-10-11 08:14
Platform
win10v2004-20220812-en
Max time kernel
153s
Max time network
155s
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:\\Windows\\SysAdmin\\windesk.exe" | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysAdmin\windesk.exe | N/A |
| N/A | N/A | C:\Windows\SysAdmin\windesk.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Windows\\SysAdmin\\windesk.exe" | C:\Windows\SysAdmin\windesk.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Windows\\SysAdmin\\windesk.exe" | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5068 set thread context of 4904 | N/A | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe |
| PID 4820 set thread context of 3436 | N/A | C:\Windows\SysAdmin\windesk.exe | C:\Windows\SysAdmin\windesk.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysAdmin\ | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
| File opened for modification | C:\Windows\SysAdmin\windesk.exe | C:\Windows\SysAdmin\windesk.exe | N/A |
| File created | C:\Windows\SysAdmin\windesk.exe | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
| File opened for modification | C:\Windows\SysAdmin\windesk.exe | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
Enumerates physical storage devices
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\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysAdmin\windesk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe | N/A |
| N/A | N/A | C:\Windows\SysAdmin\windesk.exe | N/A |
| N/A | N/A | C:\Windows\SysAdmin\windesk.exe | N/A |
Suspicious use of WriteProcessMemory
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\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe
"C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe"
C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe
C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.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\ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81.exe" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysAdmin\windesk.exe
"C:\Windows\SysAdmin\windesk.exe"
C:\Windows\SysAdmin\windesk.exe
C:\Windows\SysAdmin\windesk.exe
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| NL | 95.101.78.82:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp | |
| N/A | 127.0.0.1:6514 | tcp | |
| US | 8.8.8.8:53 | darkscouting.no-ip.biz | udp |
| N/A | 127.0.0.1:6514 | tcp |
Files
memory/5068-132-0x0000000000AA0000-0x0000000000AA4000-memory.dmp
memory/4904-133-0x0000000000000000-mapping.dmp
memory/4904-134-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4904-135-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4904-136-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4904-137-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1268-138-0x0000000000000000-mapping.dmp
memory/4640-139-0x0000000000000000-mapping.dmp
memory/1132-141-0x0000000000000000-mapping.dmp
memory/4296-140-0x0000000000000000-mapping.dmp
memory/4904-142-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4820-143-0x0000000000000000-mapping.dmp
C:\Windows\SysAdmin\windesk.exe
| MD5 | 7c2424a3c3548fe475e16d10e5e18b50 |
| SHA1 | c6a67fa3db86385781a9d6512ed3bd19ce700198 |
| SHA256 | ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81 |
| SHA512 | ee64bf32108bfe9b9156bb42edc9a28de34ed9331cd7d4ef3f049bee53beda780bdcce79d4e99072ee39ee51d73c3af623a1dd030a3d3003e10f130797ea3ce0 |
C:\Windows\SysAdmin\windesk.exe
| MD5 | 7c2424a3c3548fe475e16d10e5e18b50 |
| SHA1 | c6a67fa3db86385781a9d6512ed3bd19ce700198 |
| SHA256 | ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81 |
| SHA512 | ee64bf32108bfe9b9156bb42edc9a28de34ed9331cd7d4ef3f049bee53beda780bdcce79d4e99072ee39ee51d73c3af623a1dd030a3d3003e10f130797ea3ce0 |
C:\Windows\SysAdmin\windesk.exe
| MD5 | 7c2424a3c3548fe475e16d10e5e18b50 |
| SHA1 | c6a67fa3db86385781a9d6512ed3bd19ce700198 |
| SHA256 | ddc36271746a38fd0af19f43d4f76f24aba08c0b76e766f7115f9a8f494bde81 |
| SHA512 | ee64bf32108bfe9b9156bb42edc9a28de34ed9331cd7d4ef3f049bee53beda780bdcce79d4e99072ee39ee51d73c3af623a1dd030a3d3003e10f130797ea3ce0 |
memory/3436-146-0x0000000000000000-mapping.dmp
memory/320-151-0x0000000000000000-mapping.dmp
memory/3436-152-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3436-153-0x0000000000400000-0x00000000004B2000-memory.dmp