Analysis Overview
SHA256
6501e1df2ca602be36aa6b615069264b89135d831a2e46a48796b8d71e4e993b
Threat Level: Known bad
The file 32a226964a6a43441fd83f40763aae4f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Modifies security service
Darkcomet
Modifies firewall policy service
Windows security bypass
Modifies WinLogon for persistence
Disables Task Manager via registry modification
Sets file to hidden
Disables RegEdit via registry modification
Windows security modification
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Modifies registry class
Views/modifies file attributes
System policy modification
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-11 04:06
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-11 04:06
Reported
2024-05-11 04:08
Platform
win7-20240221-en
Max time kernel
118s
Max time network
122s
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\\win2010.exe" | C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_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:\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\Documents\MSDCSC\win2010.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Program Files (x86)\Internet Explorer\iexplore.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\win2010.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | 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\Documents\MSDCSC\win2010.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\win2010.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 |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
Disables Task Manager via registry modification
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\Documents\MSDCSC\win2010.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_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\win2010.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\win2010 = "C:\\Users\\Admin\\Documents\\MSDCSC\\win2010.exe" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\win2010 = "C:\\Users\\Admin\\Documents\\MSDCSC\\win2010.exe" | C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2588 set thread context of 2088 | N/A | C:\Users\Admin\Documents\MSDCSC\win2010.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
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\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_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\cmd.exe
"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe"
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\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 4
C:\Users\Admin\Documents\MSDCSC\win2010.exe
"C:\Users\Admin\Documents\MSDCSC\win2010.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
Files
memory/2704-0-0x00000000002C0000-0x00000000002C1000-memory.dmp
memory/2588-15-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-14-0x0000000000400000-0x00000000004C8000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\win2010.exe
| MD5 | 32a226964a6a43441fd83f40763aae4f |
| SHA1 | 5f796aab7bd7aef0d0ed3f08a1547731799ec7ce |
| SHA256 | 6501e1df2ca602be36aa6b615069264b89135d831a2e46a48796b8d71e4e993b |
| SHA512 | e1ebc51808a02261282926c9c91727a6b5425a049ec28280eaaea7809d4cf4065cd80c133db144c9ca683d90c8be7dde1421232defc86a5a3fda6a3539c687c5 |
memory/2704-12-0x0000000000400000-0x00000000004C8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-11 04:06
Reported
2024-05-11 04:08
Platform
win10v2004-20240426-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\\Documents\\MSDCSC\\win2010.exe" | C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_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\win2010.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\Documents\MSDCSC\win2010.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\win2010.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\Documents\MSDCSC\win2010.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
Disables Task Manager via registry modification
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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win2010.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\win2010.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\win2010 = "C:\\Users\\Admin\\Documents\\MSDCSC\\win2010.exe" | C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\win2010 = "C:\\Users\\Admin\\Documents\\MSDCSC\\win2010.exe" | C:\Users\Admin\Documents\MSDCSC\win2010.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\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\Documents\MSDCSC\win2010.exe | N/A |
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\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_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\cmd.exe
"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe"
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\32a226964a6a43441fd83f40763aae4f_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 4
C:\Users\Admin\Documents\MSDCSC\win2010.exe
"C:\Users\Admin\Documents\MSDCSC\win2010.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Windows\explorer.exe
"C:\Windows\explorer.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 | 97.17.167.52.in-addr.arpa | udp |
| N/A | 192.168.2.103:1604 | tcp | |
| 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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| N/A | 192.168.2.103:1604 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| N/A | 192.168.2.103:1604 | tcp | |
| N/A | 192.168.2.103:1604 | tcp | |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| N/A | 192.168.2.103:1604 | tcp | |
| 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 | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| N/A | 192.168.2.103:1604 | tcp | |
| N/A | 192.168.2.103:1604 | tcp | |
| N/A | 192.168.2.103:1604 | tcp |
Files
memory/964-0-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\win2010.exe
| MD5 | 32a226964a6a43441fd83f40763aae4f |
| SHA1 | 5f796aab7bd7aef0d0ed3f08a1547731799ec7ce |
| SHA256 | 6501e1df2ca602be36aa6b615069264b89135d831a2e46a48796b8d71e4e993b |
| SHA512 | e1ebc51808a02261282926c9c91727a6b5425a049ec28280eaaea7809d4cf4065cd80c133db144c9ca683d90c8be7dde1421232defc86a5a3fda6a3539c687c5 |
memory/964-61-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2828-63-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2828-65-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2828-67-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2828-69-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2828-71-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2828-73-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2828-75-0x0000000000400000-0x00000000004C8000-memory.dmp