Analysis Overview
SHA256
539cb4699daed68cce319ba88bb97ed2211321ab7d8342370bcd958f3de6af38
Threat Level: Known bad
The file 7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-26 15:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-26 15:02
Reported
2024-07-26 17:05
Platform
win7-20240704-en
Max time kernel
150s
Max time network
123s
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\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.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\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| File opened for modification | \??\PhysicalDrive0 | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2624 set thread context of 2604 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
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\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.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:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
Files
memory/2732-1-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2732-2-0x0000000000401000-0x00000000004EA000-memory.dmp
memory/2732-3-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2732-6-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2732-5-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2732-4-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2732-9-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2732-10-0x0000000000400000-0x0000000000567591-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 7489d6d9182cfb315a028a9670a1eaa7 |
| SHA1 | 6248b643e2700e60960d7ea7911926310d6bdb41 |
| SHA256 | 539cb4699daed68cce319ba88bb97ed2211321ab7d8342370bcd958f3de6af38 |
| SHA512 | 8e795753a7818a5818f29586b57750f6e397475299924624d4a27fb9a8c81194bf16b7c6af108dbc4961b222dfe7a3cfedcf8c7be040bde27b3cf6ec485dc4ea |
memory/2732-22-0x0000000004A00000-0x0000000004B68000-memory.dmp
memory/2604-20-0x0000000000400000-0x0000000000568000-memory.dmp
memory/2732-23-0x0000000004A00000-0x0000000004B68000-memory.dmp
memory/2624-21-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2732-24-0x0000000000401000-0x00000000004EA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-26 15:02
Reported
2024-07-26 17:08
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
157s
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\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | 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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1196 set thread context of 2368 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
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\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.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:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7489d6d9182cfb315a028a9670a1eaa7_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
| US | 8.8.8.8:53 | speeed.zapto.org | udp |
| US | 8.8.8.8:53 | speeed.hopto.org | udp |
Files
memory/2288-0-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-1-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-2-0x0000000000401000-0x00000000004EA000-memory.dmp
memory/2288-3-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-4-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-5-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-7-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-8-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-6-0x0000000000400000-0x0000000000567591-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 7489d6d9182cfb315a028a9670a1eaa7 |
| SHA1 | 6248b643e2700e60960d7ea7911926310d6bdb41 |
| SHA256 | 539cb4699daed68cce319ba88bb97ed2211321ab7d8342370bcd958f3de6af38 |
| SHA512 | 8e795753a7818a5818f29586b57750f6e397475299924624d4a27fb9a8c81194bf16b7c6af108dbc4961b222dfe7a3cfedcf8c7be040bde27b3cf6ec485dc4ea |
memory/2288-59-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-61-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2368-71-0x0000000000400000-0x0000000000568000-memory.dmp
memory/1196-72-0x0000000000400000-0x0000000000567591-memory.dmp
memory/2288-73-0x0000000000401000-0x00000000004EA000-memory.dmp