MALICIOUS — f88d9094a90f7000a3fb2cd7c981e03357ce2b39df9de5ee1d0742e619e3860f.bin

MALICIOUS — f88d9094a90f7000a3fb2cd7c981e03357ce2b39df9de5ee1d0742e619e3860f.bin is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the execute family. 5 of 51 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: f88d9094a90f7000a3fb2cd7c981e03357ce2b39df9de5ee1d0742e619e3860f
• SHA-1: da190ccb0e6cdb6b55f40532a0ee7064d31ba760
• MD5: 2ec5a4d805472352a10492d311a80fa7
• ssdeep: 24576:QYuC2NrO/LXTGqatNo3sk/mUjIo/f8YpQneRZQ5msYFFXNBYWuXT1I365ZaL47Hn:75J0r+D93O
• TLSH: T1E764AFCEA5CF7369D67B6967A6644A21321583CCB52316187092C803ED5FEBEE3CC484
• Submitted as: f88d9094a90f7000a3fb2cd7c981e03357ce2b39df9de5ee1d0742e619e3860f.bin
• File type: script · Size: 5506178 bytes
• Verdict: malicious (93/100) · Family: execute

Source: MalShare · first seen 2026-07-28T22:14:33.735Z · SHA-256 verified

Detections (5 of 51 engines)

• capa (capabilities): execute via PowerShell
• YARA: Trellix/McAfee ATR: ATR_BlackCat_ALPHV
• Microsoft Defender: Trojan:Win32/Leonem!rfn
• Emsisoft (Emergency Kit): Trojan.GenericKD.80948809
• Kaspersky (KVRT): Trojan.PowerShell.Agent.bis

MITRE ATT&CK

• T1059.001

Why this verdict

The malicious score of 93/100 is the fusion of 7 weighted signals:

• Microsoft Defender flagged Trojan:Win32/Leonem!rfn (rule Trojan:Win32/Leonem!rfn) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.GenericKD.80948809 (rule Trojan.GenericKD.80948809) - engine signal, weight 0.55, confidence 0.85
• Obfuscated powershell script: dynamic-exec, encoded-command, defense-evasion (layers: 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: Trellix/McAfee ATR flagged ATR_BlackCat_ALPHV (rule ATR_BlackCat_ALPHV) - engine signal, weight 0.35, confidence 0.70
• Contacted 5 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Contacted 5 external host(s) at runtime - network signal, weight 0.12, confidence 0.55

Dynamic analysis (linux)

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

Runtime network

• entropy.ubuntu.com
• desktop-hsgcbep
• ntp.ubuntu.com
• 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
• 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
• 185.125.189.54
• 10.240.0.1
• ff02::1:3
• 224.0.0.252
• 10.240.0.255
• 142.250.195.142
• 20.42.65.91
• 224.0.0.251
• ff02::fb
• 4.247.188.224
• 91.189.91.157
• ff02::2
• ff02::1:ff4c:1d1d

Dropped files

• tmp_tmp.6ETSv1Qm9Y - 71e2997c1e19620e5f8aa8576afed3ee692ed4ea19e058e936ee50f1e0f97fcd

Embedded IP addresses

• 142.250.195.142
• 20.42.65.91
• 4.247.188.224

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report