Analysis Overview
SHA256
4c308a8c665839ea491089cd987ab93a6c09ad9eb6561116776d635b660da101
Threat Level: Known bad
The file 7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-31 12:22
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-31 12:22
Reported
2024-07-31 12:24
Platform
win7-20240704-en
Max time kernel
119s
Max time network
120s
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\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.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\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1828 set thread context of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\svchost.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\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
Network
Files
memory/1828-0-0x00000000747F1000-0x00000000747F2000-memory.dmp
memory/1828-1-0x00000000747F0000-0x0000000074D9B000-memory.dmp
memory/2396-8-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/1828-25-0x00000000747F0000-0x0000000074D9B000-memory.dmp
memory/1828-27-0x00000000747F0000-0x0000000074D9B000-memory.dmp
memory/2396-28-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-26-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-24-0x0000000000400000-0x00000000004CD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | 34aa912defa18c2c129f1e09d75c1d7e |
| SHA1 | 9c3046324657505a30ecd9b1fdb46c05bde7d470 |
| SHA256 | 6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386 |
| SHA512 | d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98 |
memory/2396-22-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2396-18-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-17-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-16-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-14-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-12-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-10-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-6-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/2396-37-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/1828-40-0x00000000747F0000-0x0000000074D9B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-31 12:22
Reported
2024-07-31 12:24
Platform
win10v2004-20240730-en
Max time kernel
96s
Max time network
98s
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\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| 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-1-5-21-3774859476-2260090144-3466365324-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1996 set thread context of 4880 | N/A | C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\svchost.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\Documents\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/1996-0-0x0000000074B62000-0x0000000074B63000-memory.dmp
memory/1996-1-0x0000000074B60000-0x0000000075111000-memory.dmp
memory/1996-2-0x0000000074B60000-0x0000000075111000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | d881de17aa8f2e2c08cbb7b265f928f9 |
| SHA1 | 08936aebc87decf0af6e8eada191062b5e65ac2a |
| SHA256 | b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0 |
| SHA512 | 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34 |
memory/4880-5-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/4880-8-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/1996-11-0x0000000074B60000-0x0000000075111000-memory.dmp
memory/4880-10-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/4880-13-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/4880-14-0x00000000025D0000-0x00000000025D1000-memory.dmp
memory/4880-26-0x0000000000400000-0x00000000004CD000-memory.dmp