Analysis Overview
SHA256
1fd2795be467787899008bd222d7c4d336701f294461e4c6c7a28059148b0a81
Threat Level: Known bad
The file 79f990b51a93bcea447361c0ff124fa5_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Molebox Virtualization software
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-30 20:47
Signatures
Molebox Virtualization software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-30 20:47
Reported
2024-07-30 20:51
Platform
win7-20240708-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:\\Windows\\Install\\Winup.exe" | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Install\Winup.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
Molebox Virtualization software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\Install\\Winup.exe" | C:\Windows\Install\Winup.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\Install\\Winup.exe" | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Install\Winup.exe | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\Install\Winup.exe | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\Install\ | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Install\Winup.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\notepad.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Install\Winup.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe"
C:\Windows\Install\Winup.exe
"C:\Windows\Install\Winup.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
Files
memory/2220-0-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2220-6-0x00000000760F1000-0x00000000760F2000-memory.dmp
memory/2220-5-0x0000000077970000-0x0000000077971000-memory.dmp
memory/2220-4-0x00000000020F0000-0x0000000002100000-memory.dmp
memory/2220-3-0x0000000001EC0000-0x0000000001ED0000-memory.dmp
memory/2220-2-0x0000000000310000-0x000000000035E000-memory.dmp
memory/2220-1-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2220-7-0x00000000760E0000-0x00000000761F0000-memory.dmp
\Windows\Install\Winup.exe
| MD5 | 79f990b51a93bcea447361c0ff124fa5 |
| SHA1 | 0b0f738448b585e95876a1db1a5ccd349bb8f394 |
| SHA256 | 1fd2795be467787899008bd222d7c4d336701f294461e4c6c7a28059148b0a81 |
| SHA512 | a1f78ad9c0e89c07d02bea6664d04803a051c1aaae3a4658c1525946cf3e190e943b25681dfab3897b643ea65896a462ac66d254cbc05a2525d1092b15164e8a |
memory/2828-19-0x00000000001B0000-0x00000000001B4000-memory.dmp
memory/2828-17-0x00000000001B0000-0x00000000001B4000-memory.dmp
memory/2828-25-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2220-22-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2220-24-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-32-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-31-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-30-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-29-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-28-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-27-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2220-26-0x0000000000310000-0x000000000035E000-memory.dmp
memory/2760-71-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2760-33-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2828-72-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-73-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-74-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-75-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-76-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-77-0x00000000760E0000-0x00000000761F0000-memory.dmp
memory/2828-78-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-79-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-80-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-81-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-82-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-83-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-84-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-85-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-86-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-87-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-88-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2828-89-0x0000000000400000-0x00000000004C3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-30 20:47
Reported
2024-07-30 20:51
Platform
win10v2004-20240730-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:\\Windows\\Install\\Winup.exe" | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Install\Winup.exe | N/A |
Molebox Virtualization software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\Install\\Winup.exe" | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\Install\\Winup.exe" | C:\Windows\Install\Winup.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Install\Winup.exe | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\Install\ | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
| File created | C:\Windows\Install\Winup.exe | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Install\Winup.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\notepad.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Install\Winup.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\79f990b51a93bcea447361c0ff124fa5_JaffaCakes118.exe"
C:\Windows\Install\Winup.exe
"C:\Windows\Install\Winup.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | winupdt.sytes.net | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2224-0-0x00000000005B0000-0x00000000005B1000-memory.dmp
memory/2224-1-0x0000000000C80000-0x0000000000CCE000-memory.dmp
memory/2224-2-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2224-7-0x0000000076F60000-0x0000000076F61000-memory.dmp
memory/2224-6-0x0000000002510000-0x0000000002520000-memory.dmp
memory/2224-5-0x0000000002510000-0x0000000002520000-memory.dmp
memory/2224-4-0x0000000077DC2000-0x0000000077DC3000-memory.dmp
memory/2224-3-0x0000000002360000-0x0000000002370000-memory.dmp
memory/2224-8-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2224-9-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2224-10-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2224-11-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2224-12-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2224-15-0x0000000076F40000-0x0000000077030000-memory.dmp
C:\Windows\Install\Winup.exe
| MD5 | 79f990b51a93bcea447361c0ff124fa5 |
| SHA1 | 0b0f738448b585e95876a1db1a5ccd349bb8f394 |
| SHA256 | 1fd2795be467787899008bd222d7c4d336701f294461e4c6c7a28059148b0a81 |
| SHA512 | a1f78ad9c0e89c07d02bea6664d04803a051c1aaae3a4658c1525946cf3e190e943b25681dfab3897b643ea65896a462ac66d254cbc05a2525d1092b15164e8a |
memory/2224-25-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2224-27-0x0000000000C80000-0x0000000000CCE000-memory.dmp
memory/2376-29-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-30-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-34-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/4048-35-0x0000000000750000-0x0000000000751000-memory.dmp
memory/2376-36-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-33-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-32-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-31-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2224-28-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-38-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-41-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-40-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-39-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-37-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-42-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-45-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-47-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-46-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-44-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-43-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-48-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-49-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-50-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-56-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-57-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-58-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-66-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-65-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-64-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-63-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-62-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-61-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-60-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-59-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-55-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-54-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-53-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-52-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-51-0x0000000076F40000-0x0000000077030000-memory.dmp
memory/2376-67-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-68-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-69-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-70-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-71-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-72-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-73-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-74-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-75-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-76-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-77-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2376-78-0x0000000000400000-0x00000000004C3000-memory.dmp