Analysis Overview
SHA256
58d1d43c864ff4a3926e02151ec48a9038586394ad3e3bb9193dc26e35718487
Threat Level: Known bad
The file 176ce8ced727581cc9f115c5aa55edea_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Darkcomet family
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-27 20:32
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-27 20:32
Reported
2024-06-27 20:35
Platform
win7-20240611-en
Max time kernel
150s
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\\Documents\\WinDefender.exe" | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\WinDefender.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Users\\Admin\\Documents\\WinDefender.exe" | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.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\Documents\WinDefender.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1248 wrote to memory of 1492 | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | C:\Users\Admin\Documents\WinDefender.exe |
| PID 1248 wrote to memory of 1492 | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | C:\Users\Admin\Documents\WinDefender.exe |
| PID 1248 wrote to memory of 1492 | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | C:\Users\Admin\Documents\WinDefender.exe |
| PID 1248 wrote to memory of 1492 | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | C:\Users\Admin\Documents\WinDefender.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe"
C:\Users\Admin\Documents\WinDefender.exe
"C:\Users\Admin\Documents\WinDefender.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
Files
memory/1248-0-0x00000000002B0000-0x00000000002B1000-memory.dmp
\Users\Admin\Documents\WinDefender.exe
| MD5 | 176ce8ced727581cc9f115c5aa55edea |
| SHA1 | 5f927c97f132d52defe29a7b8c54603187570d1c |
| SHA256 | 58d1d43c864ff4a3926e02151ec48a9038586394ad3e3bb9193dc26e35718487 |
| SHA512 | e0b3901ae184dfda7ebfa8903d2daa3076d96310d28407adfd2c8932b9c872e6e486c12daefe1e1d5568437d54198bcf13c8b7dd650d156c99cd1cc7547cc96b |
memory/1248-10-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-11-0x0000000000260000-0x0000000000261000-memory.dmp
memory/1492-12-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-13-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-14-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-15-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-16-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-17-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-18-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-19-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-20-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-21-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-22-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-23-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-24-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1492-25-0x0000000000400000-0x00000000004B0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-27 20:32
Reported
2024-06-27 20:35
Platform
win10v2004-20240508-en
Max time kernel
150s
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\\WinDefender.exe" | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\WinDefender.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Users\\Admin\\Documents\\WinDefender.exe" | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.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\Documents\WinDefender.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1884 wrote to memory of 852 | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | C:\Users\Admin\Documents\WinDefender.exe |
| PID 1884 wrote to memory of 852 | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | C:\Users\Admin\Documents\WinDefender.exe |
| PID 1884 wrote to memory of 852 | N/A | C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe | C:\Users\Admin\Documents\WinDefender.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\176ce8ced727581cc9f115c5aa55edea_JaffaCakes118.exe"
C:\Users\Admin\Documents\WinDefender.exe
"C:\Users\Admin\Documents\WinDefender.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 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
| US | 8.8.8.8:53 | tengxunsafeupdate.servecounterstrike.com | udp |
Files
memory/1884-0-0x00000000021F0000-0x00000000021F1000-memory.dmp
C:\Users\Admin\Documents\WinDefender.exe
| MD5 | 176ce8ced727581cc9f115c5aa55edea |
| SHA1 | 5f927c97f132d52defe29a7b8c54603187570d1c |
| SHA256 | 58d1d43c864ff4a3926e02151ec48a9038586394ad3e3bb9193dc26e35718487 |
| SHA512 | e0b3901ae184dfda7ebfa8903d2daa3076d96310d28407adfd2c8932b9c872e6e486c12daefe1e1d5568437d54198bcf13c8b7dd650d156c99cd1cc7547cc96b |
memory/1884-12-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-13-0x0000000002270000-0x0000000002271000-memory.dmp
memory/852-14-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-15-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-16-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-17-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-18-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-19-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-20-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-21-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-22-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-23-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-24-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-25-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-26-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/852-27-0x0000000000400000-0x00000000004B0000-memory.dmp