SUSPICIOUS — 2df589b5d6f301f24a0102c34655d145a203c1281034394be4f6f9dbafd750de.elf

SUSPICIOUS — 2df589b5d6f301f24a0102c34655d145a203c1281034394be4f6f9dbafd750de.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (61/100). 5 of 56 detection engines flagged it.

Identification

• SHA-256: 2df589b5d6f301f24a0102c34655d145a203c1281034394be4f6f9dbafd750de
• SHA-1: 8e9ce0f04dfb8ccc7e466136e70a63fde4a63d4e
• MD5: fe7fc79a4f76b7315e045113eb0c8ed6
• ssdeep: 768:TufLsKvA6hQ4H29CmJj7PSuWMMqkq9ZO3RwrK4T9M/ApmJg/s0s9iKuRiKJgGlz5:Kf7Wa29CafSRokq9I3RwrK45M/AE2/sg
• TLSH: T12733F170167C8144D5624FB25CD91CCF682EA70457E2A96420922EA2E6F410FB93CFED
• Submitted as: 2df589b5d6f301f24a0102c34655d145a203c1281034394be4f6f9dbafd750de.elf
• File type: elf · Size: 48536 bytes
• Verdict: suspicious (61/100)

Source: MalwareBazaar · first seen 2026-08-02T00:00:00.000Z · SHA-256 verified

Detections (5 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• YARA: Intezer community: INTEZER_ELF_UPX_Modified
• Detect It Easy (packer/type): DIE:UPX 3.94
• Microsoft Defender: Backdoor:Linux/Multiverze!rfn
• Kaspersky (KVRT): HEUR:Backdoor.Linux.Mirai.r

Why this verdict

The suspicious score of 61/100 is the fusion of 4 weighted signals:

• YARA: Intezer community flagged INTEZER_ELF_UPX_Modified (rule INTEZER_ELF_UPX_Modified) - engine signal, weight 0.35, confidence 0.70
• Detect It Easy (packer/type) flagged DIE:UPX 3.94 (rule DIE:UPX 3.94) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: http://upx.sf.net - static signal, weight 0.35, confidence 0.60
• Packing/obfuscation: high-entropy-blob, UPX 3.94 - static signal, weight 0.25, confidence 0.55

Dynamic analysis (linux)

896 behavior events · 0 ATT&CK techniques · 0 dropped files.

Runtime network

• 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
• desktop-hsgcbep
• 250.255.255.239.in-addr.arpa
• ff02::1:3
• 224.0.0.252
• 10.240.0.1
• ff02::fb
• 224.0.0.251
• 10.240.0.255
• 239.255.255.250
• ff02::16
• 169.254.255.255
• 91.189.91.157
• 224.0.0.22
• ff02::2
• ff02::1:ff12:3456

Embedded URLs

• http://upx.sf.net

Embedded domains

• upx.sf.net

Embedded IP addresses

• 172.172.255.217

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report