Analysis Overview
SHA256
daadde44c8f95623f5d49dee98b69a9e929a4e15c02bbaef9ade1a3a5c8362f6
Threat Level: Known bad
The file 573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Modifies firewall policy service
Darkcomet
Modifies security service
Modifies WinLogon for persistence
Darkcomet family
Sets file to hidden
Checks computer location settings
Windows security modification
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Views/modifies file attributes
Modifies registry class
System policy modification
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-18 22:51
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-18 22:51
Reported
2024-05-18 22:53
Platform
win7-20240221-en
Max time kernel
149s
Max time network
121s
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\\Memory\\System.exe" | C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_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\Memory\System.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Roaming\Memory\System.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Roaming\Memory\System.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\Memory\System.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\Memory\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\Memory\System.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\Memory\System.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_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\Memory\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\Memory\System.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Memory\\System.exe" | C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Memory\\System.exe" | C:\Users\Admin\AppData\Roaming\Memory\System.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\Memory\System.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\AppData\Roaming\Memory\System.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\AppData\Roaming\Memory\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\AppData\Roaming\Memory\System.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\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_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\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\AppData\Roaming\Memory\System.exe
"C:\Users\Admin\AppData\Roaming\Memory\System.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
Files
memory/1964-0-0x0000000000260000-0x0000000000261000-memory.dmp
\Users\Admin\AppData\Roaming\Memory\System.exe
| MD5 | 573dd6b96b2cb193e39ab445b2e83394 |
| SHA1 | 00a40367a59949abf338a9ec2f8f9e21f46f62aa |
| SHA256 | daadde44c8f95623f5d49dee98b69a9e929a4e15c02bbaef9ade1a3a5c8362f6 |
| SHA512 | 73b96a148fc898011ff4faff2eff125fc55ef9bf86c1efc3897edfc9082878d45c953194f7b51c9cbf819c6486e31701a4116ceda5b47c2e185892c5d7a1a15a |
memory/2944-50-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/2944-12-0x0000000000080000-0x0000000000081000-memory.dmp
memory/1964-51-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-52-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-53-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-54-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-55-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-56-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-57-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-58-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-59-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-60-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-61-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-62-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-63-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-64-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2768-65-0x0000000000400000-0x00000000004B2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-18 22:51
Reported
2024-05-18 22:53
Platform
win10v2004-20240426-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\\AppData\\Roaming\\Memory\\System.exe" | C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_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\Memory\System.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Roaming\Memory\System.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Roaming\Memory\System.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\Memory\System.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\Memory\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\Memory\System.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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Memory\System.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\Memory\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\Memory\System.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Memory\\System.exe" | C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Memory\\System.exe" | C:\Users\Admin\AppData\Roaming\Memory\System.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\573dd6b96b2cb193e39ab445b2e83394_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\Memory\System.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\AppData\Roaming\Memory\System.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\AppData\Roaming\Memory\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\AppData\Roaming\Memory\System.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\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\573dd6b96b2cb193e39ab445b2e83394_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\573dd6b96b2cb193e39ab445b2e83394_JaffaCakes118.exe" +s +h
C:\Users\Admin\AppData\Roaming\Memory\System.exe
"C:\Users\Admin\AppData\Roaming\Memory\System.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
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 | 58.55.71.13.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 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.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 |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | 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 | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
| US | 8.8.8.8:53 | mining1399.no-ip.biz | udp |
Files
memory/4280-0-0x0000000002140000-0x0000000002141000-memory.dmp
C:\Users\Admin\AppData\Roaming\Memory\System.exe
| MD5 | 573dd6b96b2cb193e39ab445b2e83394 |
| SHA1 | 00a40367a59949abf338a9ec2f8f9e21f46f62aa |
| SHA256 | daadde44c8f95623f5d49dee98b69a9e929a4e15c02bbaef9ade1a3a5c8362f6 |
| SHA512 | 73b96a148fc898011ff4faff2eff125fc55ef9bf86c1efc3897edfc9082878d45c953194f7b51c9cbf819c6486e31701a4116ceda5b47c2e185892c5d7a1a15a |
memory/2056-61-0x00000000022A0000-0x00000000022A1000-memory.dmp
memory/4340-62-0x0000000001170000-0x0000000001171000-memory.dmp
memory/4280-63-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-64-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-65-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-66-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-67-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-68-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-69-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-70-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-71-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-72-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-73-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-74-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-75-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-76-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2056-77-0x0000000000400000-0x00000000004B2000-memory.dmp