MALICIOUS — c99f44be74a5cd47597513be255c89b8deb4c75990ce483835ba9412715818bf

MALICIOUS — c99f44be74a5cd47597513be255c89b8deb4c75990ce483835ba9412715818bf 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: c99f44be74a5cd47597513be255c89b8deb4c75990ce483835ba9412715818bf
• SHA-1: 6ea62cd85b33fb6b0a47ae276506504a9ce8ff2c
• MD5: 496648cbb118f358084fed96a4380809
• ssdeep: 768:gv/wMLdsFNc3OpAwJTVfaAaz0svQGcnPsWbh+u:O55sFa3O1VSXBaPsWFh
• TLSH: T16D344F1A3899DA8C98371327FDE9A4483B86ED15A4CBC7CD92784F50AC6C9344C58DEC
• Submitted as: c99f44be74a5cd47597513be255c89b8deb4c75990ce483835ba9412715818bf
• File type: script · Size: 55072 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 (rule script-deobfuscation) - static signal, weight 0.55, confidence 0.75
• Embedded network infrastructure: http://pupunzi.open-lab.com - static signal, weight 0.35, confidence 0.60

Dynamic analysis (windows)

1207 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
• desktop-hsgcbep(4)._dosvc._tcp.local
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 23.40.52.85
• 23.11.37.157
• 20.190.142.166
• 52.230.60.54 SG · Singapore · AS8075 Microsoft Corporation
• 150.171.22.17
• 23.198.40.44

Embedded URLs

• http://pupunzi.open-lab.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• open-lab.com
• pupunzi.open-lab.com
• youtu.be
• www.youtube.com
• www.googleapis.com
• i.ytimg.com
• a.name
• sentimiento.world

Embedded IP addresses

• 52.230.60.54
• 52.110.12.49
• 4.230.171.124
• 52.168.112.66
• 172.215.188.232

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report