Analysis Overview
SHA256
7a9776c90605606de12e06a0088cbf44c12e8be266c13c5894304eda81035711
Threat Level: Known bad
The file 144769859640eab70ec9ed969401e8e3_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Modifies security service
Darkcomet
Modifies WinLogon for persistence
Modifies firewall policy service
Disables RegEdit via registry modification
Disables Task Manager via registry modification
Executes dropped EXE
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Writes to the Master Boot Record (MBR)
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Enumerates system info in registry
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-27 01:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-27 01:59
Reported
2024-06-27 02:01
Platform
win7-20240611-en
Max time kernel
150s
Max time network
124s
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:\\setup" | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Windows\SysWOW64\explorer.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Windows\SysWOW64\explorer.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\SysWOW64\explorer.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Windows\SysWOW64\explorer.exe | N/A |
Disables Task Manager via registry modification
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\explorer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\BROUF_POP.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\BROUF_POP.EXE | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Wine | C:\Windows\SysWOW64\explorer.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\setup.exe = "C:\\setup" | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\setup.exe = "C:\\setup" | C:\Windows\SysWOW64\notepad.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| File opened for modification | \??\PhysicalDrive0 | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2124 set thread context of 2480 | N/A | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\explorer.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Users\Admin\AppData\Local\Temp\BROUF_POP.EXE
"C:\Users\Admin\AppData\Local\Temp\BROUF_POP.EXE"
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
C:\Windows\SysWOW64\notepad.exe
C:\Windows\SysWOW64\notepad.exe
C:\Users\Admin\AppData\Local\Temp\BROUF_POP.EXE
"C:\Users\Admin\AppData\Local\Temp\BROUF_POP.EXE"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tamere.zapto.org | udp |
Files
memory/2124-0-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2124-1-0x0000000013141000-0x000000001318D000-memory.dmp
memory/2124-2-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2124-3-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2124-6-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2124-5-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2700-35-0x0000000000230000-0x0000000000231000-memory.dmp
C:\setup
| MD5 | 144769859640eab70ec9ed969401e8e3 |
| SHA1 | cb6603e8867a74d2d27059cdc47438cf2340920a |
| SHA256 | 7a9776c90605606de12e06a0088cbf44c12e8be266c13c5894304eda81035711 |
| SHA512 | 9a9d4b67a04ef8a1cbea7bc2574dbc42db6e1460650b951a322d62e6e92c64b3ee6924ce0bec5664a4c4668224f62a5ca1d3ed81430a77d31e40fb56c7fdbbef |
memory/2124-37-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2700-7-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2124-40-0x0000000013140000-0x000000001340F000-memory.dmp
\Users\Admin\AppData\Local\Temp\BROUF_POP.EXE
| MD5 | 3bed4a376b5fce52fc08539e95ae369f |
| SHA1 | feb471bdf3f78a2140fecfa474eda876e3f75e78 |
| SHA256 | 7cb7d9efb92bfbb8aaee1df39c63a02092c6e6552bec1fd0cda3c68c3eb2d034 |
| SHA512 | e25578774eac1d88b883c32446096e7b882fcb4256b901ae8cba277a6f1ba948a311e61f64ee5d43661e72f72f5c96aacdc285176304df5a0867ea39669c62b7 |
C:\BsDD_tmp
| MD5 | d98926e26231d491cd5d40854453f3cf |
| SHA1 | 3a3a1d71b37b7c8b54a80a7917c12c63ba2480fd |
| SHA256 | 8f523b0f039109f042f5a0a807ae36a1cde13ee7a9512bb746e2c6e8bf90beab |
| SHA512 | 565e295523e06a56507ea6096d23f0ce2a00acd5c376b3badea4f6aa591991b5e21c831d45e24b33f34d4dcf7eaa5263077cf86f9d905952ff944aab6d11399a |
memory/2480-61-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-64-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-69-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2124-68-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-67-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-62-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2480-70-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-71-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-82-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-85-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-93-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-92-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-91-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-90-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-88-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-87-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-86-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-84-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-89-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-83-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-81-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-80-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-78-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-77-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-74-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-73-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-72-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-79-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-75-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-76-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-95-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-96-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-94-0x0000000013140000-0x000000001340F000-memory.dmp
memory/2480-158-0x0000000013140000-0x000000001340F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-27 01:59
Reported
2024-06-27 02:01
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
156s
Command Line
Signatures
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\144769859640eab70ec9ed969401e8e3_JaffaCakes118.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 |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.117.168.52.in-addr.arpa | udp |
Files
memory/1028-0-0x0000000013140000-0x000000001340F000-memory.dmp
memory/1028-1-0x0000000013140000-0x000000001340F000-memory.dmp