Analysis Overview
SHA256
5e81b8edcf7b02450f9fbcfdcfe58e2cdc825211d033934d7aae50deff19bc0b
Threat Level: Known bad
The file 05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet family
Modifies firewall policy service
Windows security bypass
Darkcomet
Sets file to hidden
Windows security modification
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Views/modifies file attributes
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 12:21
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 12:21
Reported
2024-06-20 12:24
Platform
win7-20240508-en
Max time kernel
141s
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:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe" | C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Roaming\23312\8842.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Roaming\23312\8842.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\AppData\Roaming\23312\8842.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\23312\8842.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 |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\23312\8842.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_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\23312\8842.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe" | C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe" | C:\Users\Admin\AppData\Roaming\23312\8842.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2796 set thread context of 2524 | N/A | C:\Users\Admin\AppData\Roaming\23312\8842.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
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
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe" +s +h
C:\Users\Admin\AppData\Roaming\23312\8842.exe
"C:\Users\Admin\AppData\Roaming\23312\8842.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 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
Files
memory/2116-0-0x0000000000260000-0x0000000000261000-memory.dmp
\Users\Admin\AppData\Roaming\23312\8842.exe
| MD5 | 05f18d8e6dd716f114c21bc4115baac2 |
| SHA1 | 281d1eb7044f596821fae8ff4f71e91d125a215c |
| SHA256 | 5e81b8edcf7b02450f9fbcfdcfe58e2cdc825211d033934d7aae50deff19bc0b |
| SHA512 | 03db969910d9c6d7277fedaf3937096c55192f13ac8218820df8053aa608d5275023d88bf270261461360f9aef02254ba0f46e63392ac7064300be69ba05b9c3 |
memory/2116-12-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2524-14-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2796-15-0x0000000000400000-0x00000000004AF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 12:21
Reported
2024-06-20 12:24
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
150s
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\\23312\\8842.exe" | C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_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\23312\8842.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Roaming\23312\8842.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Roaming\23312\8842.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | 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:\Users\Admin\AppData\Roaming\23312\8842.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 |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\23312\8842.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\23312\8842.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe" | C:\Users\Admin\AppData\Roaming\23312\8842.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe" | C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3336 set thread context of 2288 | N/A | C:\Users\Admin\AppData\Roaming\23312\8842.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
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\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
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
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\AppData\Roaming\23312\8842.exe
"C:\Users\Admin\AppData\Roaming\23312\8842.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.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 | 82.90.14.23.in-addr.arpa | udp |
| NL | 23.62.61.106:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 106.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | 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 | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | sexyalex22.no-ip.org | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2080-0-0x00000000024B0000-0x00000000024B1000-memory.dmp
C:\Users\Admin\AppData\Roaming\23312\8842.exe
| MD5 | 05f18d8e6dd716f114c21bc4115baac2 |
| SHA1 | 281d1eb7044f596821fae8ff4f71e91d125a215c |
| SHA256 | 5e81b8edcf7b02450f9fbcfdcfe58e2cdc825211d033934d7aae50deff19bc0b |
| SHA512 | 03db969910d9c6d7277fedaf3937096c55192f13ac8218820df8053aa608d5275023d88bf270261461360f9aef02254ba0f46e63392ac7064300be69ba05b9c3 |
memory/2080-62-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3336-63-0x0000000002070000-0x0000000002071000-memory.dmp
memory/2288-64-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3336-65-0x0000000000400000-0x00000000004AF000-memory.dmp