Analysis Overview
SHA256
ba0f56e91b3361a0e8af4ab9cbcdb73a96fa5f63ced325a6591cef180b1fec7e
Threat Level: Shows suspicious behavior
The file 2024-06-12_170e0e901546270b7ae38cda8b604329_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)
Unsigned PE
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-12 21:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 21:25
Reported
2024-06-12 21:27
Platform
win7-20240611-en
Max time kernel
119s
Max time network
124s
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\2024-06-12_170e0e901546270b7ae38cda8b604329_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\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SEBrowserMachineCode | C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SEBrowserMachineCode\MachineGuid = "A8FBC50E85B5F84390AE9CB09AC4AC5C" | C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pcwup.imtt.qq.com | udp |
| CN | 14.22.9.100:80 | pcwup.imtt.qq.com | tcp |
| 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 | wup.browser.qq.com | udp |
| HK | 129.226.106.211:443 | wup.browser.qq.com | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 21:25
Reported
2024-06-12 21:27
Platform
win10v2004-20240611-en
Max time kernel
124s
Max time network
152s
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\2024-06-12_170e0e901546270b7ae38cda8b604329_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\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Microsoft\Internet Explorer\SEBrowserMachineCode | C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Internet Explorer\SEBrowserMachineCode\MachineGuid = "6610E90D634A0A3204D4C9E6CA5A9420" | C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_170e0e901546270b7ae38cda8b604329_avoslocker_cobalt-strike.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4416,i,4778049104057176787,6631751660692402210,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pcwup.imtt.qq.com | udp |
| 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 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| NL | 52.111.243.30:443 | tcp | |
| CN | 183.47.104.158:80 | pcwup.imtt.qq.com | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.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 | 249.197.17.2.in-addr.arpa | udp |