Analysis Overview
SHA256
20bf4c494b3c46dea4ed862d11f5c1763fd5ce362391ed576c3d042aaf877f98
Threat Level: Known bad
The file 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies firewall policy service
Darkcomet
Modifies WinLogon for persistence
Windows security bypass
Modifies security service
Disables Task Manager via registry modification
Disables RegEdit via registry modification
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Windows security modification
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Modifies registry class
System policy modification
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-22 20:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-22 20:36
Reported
2024-07-22 21:13
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
151s
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\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables Task Manager via registry modification
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\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:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | 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-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.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\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5088 wrote to memory of 3856 | N/A | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 5088 wrote to memory of 3856 | N/A | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 5088 wrote to memory of 3856 | N/A | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.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 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| 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 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | 24.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | straydz.no-ip.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 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
| US | 8.8.8.8:53 | straydz.no-ip.org | udp |
Files
memory/5088-0-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/5088-1-0x0000000000860000-0x0000000000861000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 64b632051e51d8fbb8fe3ddfb55c9eef |
| SHA1 | f96da73b616ba82da7a2be1dd4ddbafb9b682159 |
| SHA256 | 20bf4c494b3c46dea4ed862d11f5c1763fd5ce362391ed576c3d042aaf877f98 |
| SHA512 | 401ed854fabd60b46dccf3d5d9a9f944beb0a38ebe39acb770024a20cc821a023d860530b87b72418b983894addf19f6183945ee5e2931f250506548a7b0b811 |
memory/5088-63-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-64-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-65-0x00000000020E0000-0x00000000020E1000-memory.dmp
memory/3856-66-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-67-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-68-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-69-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-70-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-71-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-72-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-73-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-74-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-75-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-76-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-77-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-78-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-79-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3856-80-0x0000000000400000-0x00000000004D5000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-22 20:36
Reported
2024-07-22 21:14
Platform
win7-20240708-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\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables Task Manager via registry modification
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\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | 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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2292 wrote to memory of 336 | N/A | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2292 wrote to memory of 336 | N/A | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2292 wrote to memory of 336 | N/A | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2292 wrote to memory of 336 | N/A | C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.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 | straydz.no-ip.org | udp |
Files
memory/2292-0-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/2292-1-0x0000000000320000-0x0000000000321000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 64b632051e51d8fbb8fe3ddfb55c9eef |
| SHA1 | f96da73b616ba82da7a2be1dd4ddbafb9b682159 |
| SHA256 | 20bf4c494b3c46dea4ed862d11f5c1763fd5ce362391ed576c3d042aaf877f98 |
| SHA512 | 401ed854fabd60b46dccf3d5d9a9f944beb0a38ebe39acb770024a20cc821a023d860530b87b72418b983894addf19f6183945ee5e2931f250506548a7b0b811 |
memory/2292-15-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-16-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/2292-13-0x0000000005600000-0x00000000056D5000-memory.dmp
memory/2292-11-0x0000000005600000-0x00000000056D5000-memory.dmp
memory/336-17-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-18-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-19-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-20-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-21-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-22-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-23-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-24-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-25-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-26-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-27-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-28-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-29-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/336-30-0x0000000000400000-0x00000000004D5000-memory.dmp