Analysis Overview
SHA256
fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387
Threat Level: Shows suspicious behavior
The file fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Executes dropped EXE
Reads user/profile data of web browsers
UPX packed file
Enumerates connected drives
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-12 14:46
Signatures
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
2024-06-12 14:46
Reported
2024-06-12 14:49
Platform
win7-20240611-en
Max time kernel
119s
Max time network
124s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.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 |
Processes
C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
"C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe"
Network
Files
memory/1876-0-0x0000000000110000-0x00000000006CC000-memory.dmp
\Users\Admin\AppData\Local\Temp\Opera_installer_2406121446380921876.dll
| MD5 | 30f85385033134cb6db41e29ccfc60a4 |
| SHA1 | 77797120af3ff451563627ecb67939d00b722bde |
| SHA256 | f1e2fa22d39268551e4a639dac3f19d2c1de87d85d776b059f0e92d627deb2fe |
| SHA512 | 33941260f6b626a7c07a7cd567c7b28cbccb8c4d8e472f70b85d2a8ec883e9298b3652dbc252905f25c34d3b90a539f00ff2342eef0723c357be298a363991af |
memory/1876-8-0x0000000000110000-0x00000000006CC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 14:46
Reported
2024-06-12 14:49
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
151s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe | N/A |
Loads dropped DLL
Reads user/profile data of web browsers
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\D: | C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe | N/A |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
"C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe"
C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=99.0.4788.49 --initial-client-data=0x2ec,0x2f0,0x2f4,0x2c8,0x2f8,0x755ca108,0x755ca118,0x755ca124
C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
"C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe" --version
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | desktop-netinstaller-sub.osp.opera.software | udp |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
| US | 8.8.8.8:53 | desktop-netinstaller-sub.osp.opera.software | udp |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
| US | 8.8.8.8:53 | desktop-netinstaller-sub.osp.opera.software | udp |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
| US | 8.8.8.8:53 | autoupdate.geo.opera.com | udp |
Files
memory/3920-1-0x0000000000730000-0x0000000000CEC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Opera_installer_2406121446344643920.dll
| MD5 | 30f85385033134cb6db41e29ccfc60a4 |
| SHA1 | 77797120af3ff451563627ecb67939d00b722bde |
| SHA256 | f1e2fa22d39268551e4a639dac3f19d2c1de87d85d776b059f0e92d627deb2fe |
| SHA512 | 33941260f6b626a7c07a7cd567c7b28cbccb8c4d8e472f70b85d2a8ec883e9298b3652dbc252905f25c34d3b90a539f00ff2342eef0723c357be298a363991af |
memory/1500-4-0x0000000000730000-0x0000000000CEC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
| MD5 | fe3405878f19fdaa88957fd87d92bbc3 |
| SHA1 | de6b122a67f289de2cdc0c15991af3d5ef01e56f |
| SHA256 | fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387 |
| SHA512 | d6a99daf456ccfd92946a0b7f45d81cd467e5463a0006b309b178758591f0909f85f54e7df86eec082211077ad6b0c91479b62370c157ba1a98b32419b9ea7f6 |
memory/4852-15-0x0000000000110000-0x00000000006CC000-memory.dmp
memory/4852-20-0x0000000000110000-0x00000000006CC000-memory.dmp
memory/3920-22-0x0000000000730000-0x0000000000CEC000-memory.dmp
memory/1500-23-0x0000000000730000-0x0000000000CEC000-memory.dmp