Analysis Overview
SHA256
2dc5dca6c8a4c0ead48b6ecec215de0ff00b9f15ad0f8ccbe57df13915cab27d
Threat Level: Likely malicious
The file b47c3d63292255c1.exe was found to be: Likely malicious.
Malicious Activity Summary
Drops file in Drivers directory
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 20:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 20:03
Reported
2024-06-01 20:06
Platform
win7-20240221-en
Max time kernel
120s
Max time network
132s
Command Line
Signatures
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2888 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | C:\Windows\system32\WerFault.exe |
| PID 2888 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | C:\Windows\system32\WerFault.exe |
| PID 2888 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe
"C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2888 -s 240
Network
Files
memory/2888-4-0x00000000772F0000-0x00000000772F2000-memory.dmp
memory/2888-2-0x00000000772F0000-0x00000000772F2000-memory.dmp
memory/2888-0-0x00000000772F0000-0x00000000772F2000-memory.dmp
memory/2888-5-0x0000000077310000-0x0000000077312000-memory.dmp
memory/2888-7-0x0000000077310000-0x0000000077312000-memory.dmp
memory/2888-9-0x0000000077310000-0x0000000077312000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 20:03
Reported
2024-06-01 20:06
Platform
win10v2004-20240226-en
Max time kernel
153s
Max time network
164s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.exe
"C:\Users\Admin\AppData\Local\Temp\b47c3d63292255c1.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 --no-appcompat-clear --mojo-platform-channel-handle=4192 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 185.199.108.133:443 | raw.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 133.108.199.185.in-addr.arpa | udp |
| N/A | 127.0.0.1:49836 | tcp | |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 104.26.1.5:443 | keyauth.win | tcp |
| N/A | 127.0.0.1:49842 | tcp | |
| US | 8.8.8.8:53 | 5.1.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | edge.msiserver.lan | udp |
| US | 8.8.8.8:53 | edge.msiserver.lan | udp |
| US | 8.8.8.8:53 | edge.msiserver.lan | udp |
| US | 8.8.8.8:53 | edge.msiserver.lan | udp |
| US | 8.8.8.8:53 | edge.msiserver.lan | udp |
| US | 8.8.8.8:53 | 107.211.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.71.105.51.in-addr.arpa | udp |
Files
memory/1300-0-0x00007FF9F58F0000-0x00007FF9F58F2000-memory.dmp
memory/1300-1-0x00007FF9F5900000-0x00007FF9F5902000-memory.dmp