MALICIOUS — c5510b067dac6e4cff91a5cf3a3200b3114146c5e7a2260c03d69449ca667c4e

MALICIOUS — c5510b067dac6e4cff91a5cf3a3200b3114146c5e7a2260c03d69449ca667c4e is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the PowerShell family. 4 of 51 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: c5510b067dac6e4cff91a5cf3a3200b3114146c5e7a2260c03d69449ca667c4e
• SHA-1: 36cba6a620e1899c2adbd46ac2d5af389f27421d
• MD5: 5d7acbed450c662042b624da2c6b74e0
• ssdeep: 24:iqHMBqR87lUY2AhnmgEhDBkskalEC/KcEC1SA3P9CW81c0nBpjWU:nHMBqR8yY1hn5VUEYKSpU1VBpSU
• TLSH: T1711311B82E5105914191737548B121C2C860AE4D0CD5B6A3A7C3F1AA2E72B33AA09BD2
• Submitted as: c5510b067dac6e4cff91a5cf3a3200b3114146c5e7a2260c03d69449ca667c4e
• File type: script · Size: 1228 bytes
• Verdict: malicious (99/100) · Family: PowerShell

Detections (4 of 51 engines)

• YARA: MalwareAnalyser built-in: Suspicious_PowerShell_Download_Exec
• capa (capabilities): execute via PowerShell
• YARA: MalwareAnalyser community pack: TL_Base64_EncodedCommand
• Kaspersky (KVRT): HEUR:Trojan.PowerShell.Generic

MITRE ATT&CK

• T1059.001
• T1105
• T1059.004

YARA

• Suspicious_PowerShell_Download_Exec

Why this verdict

The malicious score of 99/100 is the fusion of 10 weighted signals:

• Encoded/hidden PowerShell download-and-exec (rule Suspicious_PowerShell_Download_Exec) - yara signal, weight 0.70, confidence 0.90
• 1 behavioral detection(s): Download-and-execute dropper (wget/curl + chmod) [high] (rule tl-linux-download-exec) - dynamic signal, weight 0.60, confidence 0.90
• 1 behavioral detection(s): Download-and-execute dropper (wget/curl + chmod) [high] (rule tl-linux-download-exec) - dynamic signal, weight 0.60, confidence 0.90
• execute via PowerShell (rule execute via PowerShell) - capa signal, weight 0.40, confidence 0.80
• Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
• Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
• Obfuscated powershell script: hidden-window (rule script-deobfuscation) - static signal, weight 0.35, confidence 0.75
• YARA: MalwareAnalyser community pack flagged TL_Base64_EncodedCommand (rule TL_Base64_EncodedCommand) - engine signal, weight 0.35, confidence 0.70
• Contacted 9 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Contacted 9 external host(s) at runtime - network signal, weight 0.12, confidence 0.55

Dynamic analysis (linux)

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

Runtime network

• entropy.ubuntu.com
• desktop-hsgcbep
• 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
• 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
• 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
• 252.0.0.224.in-addr.arpa
• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• 185.125.189.53:443
• ff02::1:3
• 224.0.0.252
• 185.125.189.53
• 10.240.0.1
• 185.125.189.52
• 185.125.189.54
• 10.240.0.255
• ff02::fb
• 224.0.0.251
• ff02::1:ff12:3456
• ff02::16

Dropped files

• tmp_tmp.VWr5hVll6a - 68c0f945cb7fb35cb65822c407bfb4eba3f1f40b3df16c9c60c12b653e696fb2

Embedded IP addresses

• 20.165.94.63
• 20.42.179.204
• 20.184.175.9

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report