Analysis Overview
SHA256
2786e7fd09b72c01c10c652a1275c92334c89e686a9bfaaa25d872b5bb3d2406
Threat Level: Shows suspicious behavior
The file 200d5661e57be4a9ed149671b5957881_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks BIOS information in registry
Writes to the Master Boot Record (MBR)
Unsigned PE
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 08:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 08:37
Reported
2024-05-07 08:40
Platform
win7-20231129-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\system32\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\system32\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Windows\system32\rundll32.exe | N/A |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\200d5661e57be4a9ed149671b5957881_JaffaCakes118.dll,#1
Network
Files
memory/2548-0-0x000007FEF5930000-0x000007FEF6163000-memory.dmp
memory/2548-2-0x000007FEF50F0000-0x000007FEF5923000-memory.dmp
memory/2548-3-0x000007FEF5930000-0x000007FEF6163000-memory.dmp
memory/2548-6-0x000007FEF50F0000-0x000007FEF5923000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 08:37
Reported
2024-05-07 08:40
Platform
win10v2004-20240426-en
Max time kernel
136s
Max time network
100s
Command Line
Signatures
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\system32\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\system32\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Windows\system32\rundll32.exe | N/A |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\200d5661e57be4a9ed149671b5957881_JaffaCakes118.dll,#1
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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| GB | 23.73.138.11:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| GB | 23.73.138.11:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.138.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/2504-0-0x00007FFD6F0F0000-0x00007FFD6F923000-memory.dmp