Analysis Overview
SHA256
cab61888881fb7c5a15511af1810573db81af9bd6dc69a63dc54735141b93f6c
Threat Level: Known bad
The file winlog.exe was found to be: Known bad.
Malicious Activity Summary
Cobaltstrike
Unsigned PE
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-04-23 11:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-23 11:45
Reported
2024-04-23 11:48
Platform
win7-20240220-en
Max time kernel
140s
Max time network
125s
Command Line
Signatures
Cobaltstrike
Processes
C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.exe"
Network
| Country | Destination | Domain | Proto |
| SG | 8.219.177.40:1443 | tcp | |
| SG | 8.219.177.40:1443 | tcp | |
| SG | 8.219.177.40:1443 | tcp | |
| SG | 8.219.177.40:1443 | tcp | |
| SG | 8.219.177.40:1443 | tcp | |
| SG | 8.219.177.40:1443 | tcp |
Files
memory/2040-0-0x00000000002B0000-0x00000000002E5000-memory.dmp
memory/2040-1-0x0000000000940000-0x0000000000DB2000-memory.dmp
memory/2040-2-0x0000000000400000-0x000000000044B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-23 11:45
Reported
2024-04-23 11:48
Platform
win10v2004-20240226-en
Max time kernel
145s
Max time network
157s
Command Line
Signatures
Cobaltstrike
Processes
C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.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=1408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| SG | 8.219.177.40:1443 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| GB | 172.217.169.74:443 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| SG | 8.219.177.40:1443 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| SG | 8.219.177.40:1443 | tcp | |
| US | 8.8.8.8:53 | 11.73.50.20.in-addr.arpa | udp |
| SG | 8.219.177.40:1443 | tcp |
Files
memory/452-0-0x0000000000D00000-0x0000000000D35000-memory.dmp
memory/452-1-0x0000000000D40000-0x00000000011B2000-memory.dmp
memory/452-2-0x0000000000400000-0x000000000044B000-memory.dmp