Analysis Overview
SHA256
af487c1d408b6b2f3022581783b217f170670ee9eedb36980cf9d8ae6fc68757
Threat Level: Shows suspicious behavior
The file 2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks whether UAC is enabled
Writes to the Master Boot Record (MBR)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 19:44
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 19:44
Reported
2024-06-14 19:47
Platform
win7-20231129-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
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\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserMachineCode | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserMachineCode\MachineGuid = "C631B55276572262759DA4D4D6183E65" | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pcwup.imtt.qq.com | udp |
| CN | 183.47.104.158:80 | pcwup.imtt.qq.com | tcp |
| CN | 183.47.126.106:80 | pcwup.imtt.qq.com | tcp |
| CN | 14.22.9.100:80 | pcwup.imtt.qq.com | tcp |
| US | 8.8.8.8:53 | wup.browser.qq.com | udp |
| HK | 129.226.107.80:443 | wup.browser.qq.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 19:44
Reported
2024-06-14 19:47
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
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\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\BrowserMachineCode\MachineGuid = "16F5281E1992E32DF3445F0702B9A428" | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\BrowserMachineCode | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-14_0de45250f60970b400bb0ab2b2b5a7c1_avoslocker_cobalt-strike.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pcwup.imtt.qq.com | udp |
| CN | 183.47.104.158:80 | pcwup.imtt.qq.com | tcp |
| CN | 183.47.126.106:80 | pcwup.imtt.qq.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| CN | 14.22.9.100:80 | pcwup.imtt.qq.com | tcp |
| US | 8.8.8.8:53 | 71.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wup.browser.qq.com | udp |
| HK | 129.226.107.80:443 | wup.browser.qq.com | tcp |
| US | 8.8.8.8:53 | 80.107.226.129.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |