MALICIOUS — f4983316afeed8c9c187beccbba3b0aba97a54a7d1eebba899d33b2ec8a700e3

MALICIOUS — f4983316afeed8c9c187beccbba3b0aba97a54a7d1eebba899d33b2ec8a700e3 is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (87/100). 2 of 54 detection engines flagged it.

Identification

• SHA-256: f4983316afeed8c9c187beccbba3b0aba97a54a7d1eebba899d33b2ec8a700e3
• SHA-1: 84ed416be07241a9e589c032b7b11fa0cc088ce3
• MD5: 73dc48389cb5db6466d2e072e62d3036
• ssdeep: 768:sd9hAKjzwE8gg71Ce9G7FRAQCjrvvO2OYiC4HL8xLt5wu:sdbTnC9DiDHL8xLt5v
• TLSH: T10133B57FBBA1FCDFE55605EBB94C0D1E80472AD6AA414084DAB5EF0D1CA3E5019183AC
• Submitted as: f4983316afeed8c9c187beccbba3b0aba97a54a7d1eebba899d33b2ec8a700e3
• File type: script · Size: 51150 bytes
• Verdict: malicious (87/100)

Detections (2 of 54 engines)

• Microsoft Defender: Trojan:JS/Agent.AG!MSR
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

Why this verdict

The malicious score of 87/100 is the fusion of 4 weighted signals:

• Microsoft Defender flagged Trojan:JS/Agent.AG!MSR (rule Trojan:JS/Agent.AG!MSR) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule HEUR:Trojan.Script.Generic) - engine signal, weight 0.55, confidence 0.85
• Obfuscated javascript script: dynamic-exec (layers: concat) (rule script-deobfuscation) - static signal, weight 0.55, confidence 0.75
• Embedded network infrastructure: http://www.eyecon.ro/bootstrap-datepicker - static signal, weight 0.35, confidence 0.60

Dynamic analysis (windows)

1282 behavior events · 0 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• 250.255.255.239.in-addr.arpa
• ntp.ubuntu.com
• desktop-hsgcbep._dosvc._tcp.local
• desktop-hsgcbep(1)._dosvc._tcp.local
• desktop-hsgcbep(2)._dosvc._tcp.local
• desktop-hsgcbep(3)._dosvc._tcp.local
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 23.40.52.209
• 23.11.37.157
• 162.159.142.9 US · San Francisco · AS13335 Cloudflare, Inc.
• 40.126.14.162
• 20.247.185.124 SG · Singapore · AS8075 Microsoft Corporation
• 52.123.252.223 AU · Sydney · AS8075 Microsoft Corporation
• 23.198.40.44

Embedded URLs

• http://www.eyecon.ro/bootstrap-datepicker
• http://www.apache.org/licenses/LICENSE-2.0
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• www.apache.org
• offset.top
• collapse.in
• climatechangeconferences.com
• www.eyecon.ro

Embedded IP addresses

• 135.232.92.34
• 4.150.223.109
• 162.159.142.9
• 20.247.185.124
• 52.123.252.223
• 52.110.12.51
• 4.230.171.124
• 20.184.175.1
• 72.153.5.136

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report