Analysis Overview
SHA256
35ccc564a28e1c965db59923298c25509bc5ba1bddc4db6fa58328c154be860c
Threat Level: Known bad
The file 495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Uses the VBS compiler for execution
Adds Run key to start application
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-15 18:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-15 18:32
Reported
2024-10-15 18:35
Platform
win7-20240708-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\\DCSCMIN\\Windows Defender.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hSwitch.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\DCSCMIN\Windows Defender.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Update = "C:\\Users\\Admin\\AppData\\Roaming\\Win Update.exe" | C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\Windows Defender.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2668 set thread context of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.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\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\hSwitch.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\DCSCMIN\Windows Defender.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\hSwitch.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Users\Admin\AppData\Local\Temp\hSwitch.exe
"C:\Users\Admin\AppData\Local\Temp\hSwitch.exe"
C:\Users\Admin\Documents\DCSCMIN\Windows Defender.exe
"C:\Users\Admin\Documents\DCSCMIN\Windows Defender.exe"
Network
Files
memory/2668-0-0x0000000074EB1000-0x0000000074EB2000-memory.dmp
memory/2668-1-0x0000000074EB0000-0x000000007545B000-memory.dmp
memory/2668-2-0x0000000074EB0000-0x000000007545B000-memory.dmp
memory/2784-3-0x0000000000400000-0x00000000004B2000-memory.dmp
\Users\Admin\AppData\Local\Temp\hSwitch.exe
| MD5 | 4d84415bd9670204106fb892cd93e4f1 |
| SHA1 | 10198bfd6074c0e88d494645357c22f2ceecf582 |
| SHA256 | 133e98db3c463de32d606fb6532100d569cea15c178b3d00e0c43bdfa8c9ba9f |
| SHA512 | 4525e32f13c8b06f8b979c15452b111972d5cc6baf2633e12d9691ceeb1d9bff5e7f664bed95c56352e32e732761b71b312c35eebbd18d39db4582ca2a27fb75 |
memory/2784-20-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-23-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-22-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2784-17-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-15-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-31-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-9-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-5-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-13-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-11-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2784-7-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2668-32-0x0000000074EB0000-0x000000007545B000-memory.dmp
C:\Users\Admin\Documents\DCSCMIN\Windows Defender.exe
| MD5 | 34aa912defa18c2c129f1e09d75c1d7e |
| SHA1 | 9c3046324657505a30ecd9b1fdb46c05bde7d470 |
| SHA256 | 6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386 |
| SHA512 | d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98 |
memory/2784-40-0x0000000000400000-0x00000000004B2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-15 18:32
Reported
2024-10-15 18:35
Platform
win10v2004-20241007-en
Max time kernel
138s
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\\DCSCMIN\\Windows Defender.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hSwitch.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\DCSCMIN\Windows Defender.exe | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\Windows Defender.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Update = "C:\\Users\\Admin\\AppData\\Roaming\\Win Update.exe" | C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4544 set thread context of 4092 | N/A | C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.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\DCSCMIN\Windows Defender.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\hSwitch.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\hSwitch.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\495e63ba473422c4753fc8287ac2e5e9_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Users\Admin\Documents\DCSCMIN\Windows Defender.exe
"C:\Users\Admin\Documents\DCSCMIN\Windows Defender.exe"
C:\Users\Admin\AppData\Local\Temp\hSwitch.exe
"C:\Users\Admin\AppData\Local\Temp\hSwitch.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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 |
Files
memory/4544-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp
memory/4544-1-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/4544-2-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/4092-3-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4092-5-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4092-6-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4092-7-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4092-8-0x0000000000400000-0x00000000004B2000-memory.dmp
C:\Users\Admin\Documents\DCSCMIN\Windows Defender.exe
| MD5 | d881de17aa8f2e2c08cbb7b265f928f9 |
| SHA1 | 08936aebc87decf0af6e8eada191062b5e65ac2a |
| SHA256 | b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0 |
| SHA512 | 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34 |
C:\Users\Admin\AppData\Local\Temp\hSwitch.exe
| MD5 | 4d84415bd9670204106fb892cd93e4f1 |
| SHA1 | 10198bfd6074c0e88d494645357c22f2ceecf582 |
| SHA256 | 133e98db3c463de32d606fb6532100d569cea15c178b3d00e0c43bdfa8c9ba9f |
| SHA512 | 4525e32f13c8b06f8b979c15452b111972d5cc6baf2633e12d9691ceeb1d9bff5e7f664bed95c56352e32e732761b71b312c35eebbd18d39db4582ca2a27fb75 |
memory/1048-31-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/1048-30-0x0000000074BB2000-0x0000000074BB3000-memory.dmp
memory/1048-33-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/4544-34-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/4092-36-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1048-38-0x0000000074BB0000-0x0000000075161000-memory.dmp