Analysis Overview
SHA256
e5c419e9bcefe6423700d6162fbc3bd2797e00a06f95310ff44f31c566021a84
Threat Level: Known bad
The file 647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet family
Darkcomet
Checks BIOS information in registry
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious behavior: GetForegroundWindowSpam
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-22 19:27
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-22 19:27
Reported
2024-07-22 19:46
Platform
win7-20240708-en
Max time kernel
149s
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Windupdt\\winupdate.exe" | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Windupdt\\winupdate.exe" | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Windupdt\\winupdate.exe" | C:\Windows\SysWOW64\notepad.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2252 set thread context of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_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 |
| 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 |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | 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\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
Files
memory/2252-0-0x0000000001B30000-0x0000000001B31000-memory.dmp
memory/2708-2-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2708-24-0x00000000001D0000-0x00000000001D1000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Windupdt\winupdate.exe
| MD5 | 647d88d8c7c177e2aaf429524353fa2d |
| SHA1 | 4263ab251c141d442813e1ceb2c84a3148e7b0fe |
| SHA256 | e5c419e9bcefe6423700d6162fbc3bd2797e00a06f95310ff44f31c566021a84 |
| SHA512 | af9bef950795191252f0e2bd412a28a7ae2e7d88aaf4a315c9cb448502f76b9218e64df64d70fc619d07f4ce70d80c9dda678b26087b05b737636f31106d2869 |
memory/2596-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2596-29-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-33-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2252-34-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-36-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-37-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-35-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-38-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2596-40-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-42-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-41-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-39-0x0000000013140000-0x000000001320F000-memory.dmp
memory/2596-43-0x0000000013140000-0x000000001320F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-22 19:27
Reported
2024-07-22 19:48
Platform
win10v2004-20240709-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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Windupdt\\winupdate.exe" | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Windupdt\\winupdate.exe" | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1472 set thread context of 4960 | N/A | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\notepad.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| 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 |
| 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\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | 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\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1068 -ip 1068
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 144
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| 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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
| US | 8.8.8.8:53 | clubsro.no-ip.biz | udp |
Files
memory/1472-0-0x00000000021F0000-0x00000000021F1000-memory.dmp
memory/1068-2-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
memory/4960-5-0x0000000013140000-0x000000001320F000-memory.dmp
memory/4960-6-0x0000000013140000-0x000000001320F000-memory.dmp
memory/4960-7-0x0000000013140000-0x000000001320F000-memory.dmp
memory/4960-9-0x0000000013140000-0x000000001320F000-memory.dmp
memory/1472-8-0x0000000013140000-0x000000001320F000-memory.dmp
memory/4960-11-0x0000000013140000-0x000000001320F000-memory.dmp
memory/4960-13-0x0000000013140000-0x000000001320F000-memory.dmp
memory/4960-12-0x0000000013140000-0x000000001320F000-memory.dmp
memory/4960-10-0x0000000013140000-0x000000001320F000-memory.dmp
memory/4960-14-0x0000000013140000-0x000000001320F000-memory.dmp