Analysis Overview
SHA256
c1bab9fd442d74ab78de0e8654aab95c5779f610d2fe82cac2f11de7741a7c62
Threat Level: Likely malicious
The file ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Themida packer
UPX packed file
Checks whether UAC is enabled
Unsigned PE
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-12 05:12
Signatures
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-12 05:12
Reported
2024-04-12 05:15
Platform
win7-20240221-en
Max time kernel
151s
Max time network
127s
Command Line
Signatures
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe"
Network
Files
memory/3052-0-0x0000000000400000-0x0000000000C88000-memory.dmp
memory/3052-1-0x0000000000400000-0x0000000000C88000-memory.dmp
memory/3052-2-0x0000000000400000-0x0000000000C88000-memory.dmp
memory/3052-5-0x0000000000400000-0x0000000000C88000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-12 05:12
Reported
2024-04-12 05:15
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
155s
Command Line
Signatures
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef350462b8c62a703ae3b5c57f441e2f_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.173.189.20.in-addr.arpa | udp |
Files
memory/1740-0-0x0000000000400000-0x0000000000C88000-memory.dmp
memory/1740-1-0x0000000000400000-0x0000000000C88000-memory.dmp
memory/1740-2-0x0000000000400000-0x0000000000C88000-memory.dmp