MALICIOUS — dcb609b6f0c390c068a6eb5e1d38b2feda1dac48d074ed4cafc024265ee78bb8

MALICIOUS — dcb609b6f0c390c068a6eb5e1d38b2feda1dac48d074ed4cafc024265ee78bb8 is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the Base64 family. 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: dcb609b6f0c390c068a6eb5e1d38b2feda1dac48d074ed4cafc024265ee78bb8
• SHA-1: 97de30667f42b3775c153fb52754cafa104a694d
• MD5: 815373c15acc9c26d4e19de4f6fcb963
• ssdeep: 96:xy7T6T/vXhDGR8jyhwjYcEXw9PLU6sIxkKFKaudKcO9oUx111+3nL+SaTwMXh0:87qvXhjyhwc7YhIO9ZQ3LKTwMXh0
• TLSH: T1881D9F096E71BEAA0D51AF21425F35CAC6E161248101F0D0FDD4A43DEE7AF743DA1BA2
• Submitted as: dcb609b6f0c390c068a6eb5e1d38b2feda1dac48d074ed4cafc024265ee78bb8
• File type: script · Size: 6036 bytes
• Verdict: malicious (94/100) · Family: Base64

Detections (4 of 54 engines)

• capa (capabilities): capability:execution/powershell
• YARA: MalwareAnalyser community pack: TL_Base64_EncodedCommand
• Microsoft Defender: TrojanDropper:PowerShell/Ploty.F
• Kaspersky (KVRT): HEUR:Trojan.PowerShell.Generic

MITRE ATT&CK

• T1059.001

Why this verdict

The malicious score of 94/100 is the fusion of 6 weighted signals:

• Microsoft Defender flagged TrojanDropper:PowerShell/Ploty.F (rule TrojanDropper:PowerShell/Ploty.F) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.PowerShell.Generic (rule HEUR:Trojan.PowerShell.Generic) - engine signal, weight 0.55, confidence 0.85
• Obfuscated powershell script: shellcode-injection (layers: powershell-encodedcommand+base64) (rule script-deobfuscation) - static signal, weight 0.55, confidence 0.75
• execute via PowerShell (rule execute via PowerShell) - capa signal, weight 0.40, confidence 0.80
• YARA: MalwareAnalyser community pack flagged TL_Base64_EncodedCommand (rule TL_Base64_EncodedCommand) - engine signal, weight 0.45, confidence 0.70
• capa (capabilities) flagged capability:execution/powershell (rule capability:execution/powershell) - engine signal, weight 0.35, confidence 0.70

Dynamic analysis (windows)

1130 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
• 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
• 20.190.167.150
• 4.144.132.223 SG · Singapore · AS8075 Microsoft Corporation
• 52.123.252.232 AU · Sydney · AS8075 Microsoft Corporation
• 23.33.238.178
• 52.110.12.3 AU · Sydney · AS8075 Microsoft Corporation
• 4.230.171.124 KR · Seoul · 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 IP addresses

• 104.208.16.94
• 74.178.232.29
• 52.110.12.32
• 172.215.188.232
• 4.144.132.223
• 52.123.252.232
• 52.110.12.3
• 4.230.171.124
• 172.215.188.225

File paths

• C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\

More Base64 samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report