Analysis
- max time kernel
151s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
06/03/2024, 12:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b770f555a2ea72bd21694e8f12d39bfa.exe
Resource
win7-20240221-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
b770f555a2ea72bd21694e8f12d39bfa.exe
Resource
win10v2004-20240226-en
3 signatures
150 seconds
General
- Target b770f555a2ea72bd21694e8f12d39bfa.exe
- Size 65KB
- Sample240306-p29lsacc43
- SHA256 b4331f0e682f64105ac6a3fe724e07f86e5bc2e1e727ad8c616e6dee654e9388
- MD5 b770f555a2ea72bd21694e8f12d39bfa
- SHA1 5630ec648e37cee01088dfab852d25f96e1f1274
- SHA512 a513b8e8bb1a9dc1822ad7f6e146f40122e590d902a1f7dfaf6a3e31cb776623e47ee0a55245d3a1d41361dc97b3a8af5d28103d45d9fed383c03ef4bdd72449
- SSDEEP 768:+/4oxwn4Yb33TepxUEL4qkngoXl/p1Jx4HgZ9qVl2WXzOOhHf3lhx:w4o7Yb33TErWHbNZ9qP2WXKgj
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
cobaltstrike
C2
-
http://thecapo-42980.portmap.host:42980/jquery-3.3.2.slim.min.js
Attributes
-
user_agent
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko
Signatures
- Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3428 set thread context of 4320 3428 b770f555a2ea72bd21694e8f12d39bfa.exe 98 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3428 wrote to memory of 4320 3428 b770f555a2ea72bd21694e8f12d39bfa.exe 98 PID 3428 wrote to memory of 4320 3428 b770f555a2ea72bd21694e8f12d39bfa.exe 98 PID 3428 wrote to memory of 4320 3428 b770f555a2ea72bd21694e8f12d39bfa.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\b770f555a2ea72bd21694e8f12d39bfa.exe"C:\Users\Admin\AppData\Local\Temp\b770f555a2ea72bd21694e8f12d39bfa.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Windows\SYSTEM32\rundll32.exerundll32.exe2⤵PID:4320
-
-
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=3704 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:4712