Analysis Overview
SHA256
0134132faa0cd4ed6702b1799d68bd600f88c30224cdd3eb3131559bc3568f21
Threat Level: Known bad
The file f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies security service
Modifies WinLogon for persistence
Darkcomet family
Darkcomet
Windows security bypass
Checks computer location settings
Executes dropped EXE
Windows security modification
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-17 22:13
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-17 22:13
Reported
2024-04-17 22:15
Platform
win7-20240220-en
Max time kernel
150s
Max time network
121s
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2980 set thread context of 3052 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
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\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\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 | securityandsafe.no-ip.biz | udp |
Files
memory/2904-0-0x00000000003E0000-0x00000000003E1000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
| MD5 | f6aeffca0e1cf8e83b427d4f9504d78d |
| SHA1 | 260c5fde43873a2a5908d6cbfe8e56756c8c1565 |
| SHA256 | 0134132faa0cd4ed6702b1799d68bd600f88c30224cdd3eb3131559bc3568f21 |
| SHA512 | e94db51a2db03c032e1a3f33059341d4577cb9199828f58bf04ea04d5d9ea1a4eb2f001dd9e6d2279730d772671ebfd2f8f0ba0a9df881e1c498fff27db827e4 |
memory/2904-12-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2980-13-0x0000000000270000-0x0000000000271000-memory.dmp
memory/3052-15-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2980-16-0x0000000000400000-0x00000000004CD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-17 22:13
Reported
2024-04-17 22:15
Platform
win10v2004-20240412-en
Max time kernel
150s
Max time network
148s
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\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:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2100 set thread context of 4732 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
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\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6aeffca0e1cf8e83b427d4f9504d78d_JaffaCakes118.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\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 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| BE | 2.17.196.177:443 | www.bing.com | tcp |
| BE | 2.17.196.177:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 177.196.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 132.250.30.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
| US | 8.8.8.8:53 | securityandsafe.no-ip.biz | udp |
Files
memory/1884-0-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
| MD5 | f6aeffca0e1cf8e83b427d4f9504d78d |
| SHA1 | 260c5fde43873a2a5908d6cbfe8e56756c8c1565 |
| SHA256 | 0134132faa0cd4ed6702b1799d68bd600f88c30224cdd3eb3131559bc3568f21 |
| SHA512 | e94db51a2db03c032e1a3f33059341d4577cb9199828f58bf04ea04d5d9ea1a4eb2f001dd9e6d2279730d772671ebfd2f8f0ba0a9df881e1c498fff27db827e4 |
memory/1884-14-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2100-15-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/4732-16-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2100-17-0x0000000000400000-0x00000000004CD000-memory.dmp