MALICIOUS — 39f15604daf498ef8b89e975729c594c34869d333d169f8ea8c6b131cdfe96ef

MALICIOUS — 39f15604daf498ef8b89e975729c594c34869d333d169f8ea8c6b131cdfe96ef is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (83/100). 2 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 39f15604daf498ef8b89e975729c594c34869d333d169f8ea8c6b131cdfe96ef
• SHA-1: bba8cfe91a348b3a4f9de7a4aff2e79c6beb6da9
• MD5: a0fa1f0d0f0ee20ae9a7b202219463e4
• ssdeep: 384:lozd/QK2HRwKIZJWRIU4AVI0E2Ie+Ai34JnFiB50rR/WL92QCcDaS8uJDp79AgsU:AY5xiJW4AVIHNPJxS3cD4sp79A3xu
• TLSH: T15333A2073EEC190E90594252B78475ADEE036C563406786AC6B1EBCBCD9C37B78344A7
• Submitted as: 39f15604daf498ef8b89e975729c594c34869d333d169f8ea8c6b131cdfe96ef
• File type: script · Size: 47843 bytes
• Verdict: malicious (83/100)

Detections (2 of 54 engines)

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

MITRE ATT&CK

• T1112

Why this verdict

The malicious score of 83/100 is the fusion of 3 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

Dynamic analysis (windows)

5941 behavior events · 1 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 252.0.0.224.in-addr.arpa.
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• ntp.ubuntu.com
• desktop-hsgcbep
• 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
• 20.190.167.148
• 52.230.59.222 SG · Singapore · AS8075 Microsoft Corporation
• 150.171.22.17
• 52.110.12.40 AU · Sydney · AS8075 Microsoft Corporation
• 52.110.12.22 AU · Sydney · AS8075 Microsoft Corporation

Embedded URLs

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

Embedded domains

• flojonnie.com

Embedded IP addresses

• 52.230.59.222
• 52.110.12.40
• 52.110.12.22
• 4.230.171.124
• 72.145.35.106

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report