Analysis Overview
SHA256
0f8453795d064dcfed957738605d6535e6d7aed3903663f2a39c24190aeb55f0
Threat Level: Known bad
The file 1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Windows security bypass
Darkcomet
Darkcomet family
Modifies firewall policy service
Modifies security service
Loads dropped DLL
Windows security modification
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Modifies registry class
System policy modification
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-04 23:44
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-04 23:44
Reported
2024-05-04 23:46
Platform
win7-20240220-en
Max time kernel
150s
Max time network
118s
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\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_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\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Roaming\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\AppData\Roaming\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\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_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\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\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:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.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\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2172 wrote to memory of 2604 | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe |
| PID 2172 wrote to memory of 2604 | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe |
| PID 2172 wrote to memory of 2604 | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe |
| PID 2172 wrote to memory of 2604 | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe |
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe"
C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
Files
memory/2172-0-0x00000000001F0000-0x00000000001F1000-memory.dmp
\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
| MD5 | 1502da8208dab511b9a20b8bd5ca0683 |
| SHA1 | b221b40878da9d5a846bdcb8b773517c2c1c9f8d |
| SHA256 | 0f8453795d064dcfed957738605d6535e6d7aed3903663f2a39c24190aeb55f0 |
| SHA512 | 9016fb4ff3374e04fd6b99bcc82266e0d8b8e81348306b0538f23132c24b1178730c84ff55c485a49cbf3740df6cdb6ad52bc3a2ac49b01142e7ba965666a7b6 |
memory/2172-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-14-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-15-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-17-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-18-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-19-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-20-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-21-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-22-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-23-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-24-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-25-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2604-26-0x0000000000400000-0x00000000004BA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-04 23:44
Reported
2024-05-04 23:46
Platform
win10v2004-20240419-en
Max time kernel
150s
Max time network
149s
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\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_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\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Roaming\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\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.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\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3104 wrote to memory of 4840 | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe |
| PID 3104 wrote to memory of 4840 | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe |
| PID 3104 wrote to memory of 4840 | N/A | C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe |
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe"
C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | 49.15.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
| US | 8.8.8.8:53 | kop2090a.ddns.net | udp |
Files
memory/3104-0-0x0000000002140000-0x0000000002141000-memory.dmp
C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
| MD5 | 1502da8208dab511b9a20b8bd5ca0683 |
| SHA1 | b221b40878da9d5a846bdcb8b773517c2c1c9f8d |
| SHA256 | 0f8453795d064dcfed957738605d6535e6d7aed3903663f2a39c24190aeb55f0 |
| SHA512 | 9016fb4ff3374e04fd6b99bcc82266e0d8b8e81348306b0538f23132c24b1178730c84ff55c485a49cbf3740df6cdb6ad52bc3a2ac49b01142e7ba965666a7b6 |
memory/4840-61-0x0000000002260000-0x0000000002261000-memory.dmp
memory/3104-62-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-63-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-64-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-65-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-66-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-67-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-72-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-73-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-74-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4840-76-0x0000000000400000-0x00000000004BA000-memory.dmp