MALICIOUS — aac83239e5db8c06a32596db5a53de1d4b5cbb60437883c4ffa33cfee6cb131c

MALICIOUS — aac83239e5db8c06a32596db5a53de1d4b5cbb60437883c4ffa33cfee6cb131c 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: aac83239e5db8c06a32596db5a53de1d4b5cbb60437883c4ffa33cfee6cb131c
• SHA-1: ce7aba64eaa4c55ff4102148eebc1eef1f3240e9
• MD5: d3bcb96fbb350e45759dc29e15308d81
• ssdeep: 384:h1PEjZPwEt35AqTbd9c4yu3b3ZrVDNztsLu:4aGZGLu
• TLSH: T14C2840A936AF6FE9CC0D801A3EC975871B539D65BBD158E0D64DC30535E4CC12C6A40B
• Submitted as: aac83239e5db8c06a32596db5a53de1d4b5cbb60437883c4ffa33cfee6cb131c
• File type: script · Size: 18253 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://rock.mit-license.org - static signal, weight 0.35, confidence 0.60

Dynamic analysis (windows)

1472 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
• 23.40.52.85
• 23.11.37.157
• 20.190.167.21
• 52.123.252.198 AU · Sydney · AS8075 Microsoft Corporation
• 52.110.12.48 AU · Sydney · AS8075 Microsoft Corporation
• 52.110.12.14 AU · Sydney · AS8075 Microsoft Corporation
• 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation

Embedded URLs

• https://github.com/zloirock/core-js
• http://rock.mit-license.org
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• github.com
• rock.mit-license.org
• zloirock.ru
• sofyworld.com

Embedded IP addresses

• 172.172.255.217
• 57.155.101.212
• 52.123.252.198
• 52.110.12.48
• 52.110.12.14
• 4.230.171.124
• 52.230.60.54
• 74.179.77.204
• 74.178.240.61
• 72.154.7.97

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report