SUSPICIOUS — d217b37e7b50db1d4a30e5ad4e14736184b61de39039684b20233d4e42c56542.elf

SUSPICIOUS — d217b37e7b50db1d4a30e5ad4e14736184b61de39039684b20233d4e42c56542.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (61/100). 6 of 56 detection engines flagged it.

Identification

• SHA-256: d217b37e7b50db1d4a30e5ad4e14736184b61de39039684b20233d4e42c56542
• SHA-1: 2b67835160fe7869622efe3146df0a286ebf73b4
• MD5: 862bc447631322b04e492fe0be4b6df1
• ssdeep: 1536:YVq0b3USHGR8ByF2jAgxP76LUWcPqxbm:Cq0bEeLB+opgUcbm
• TLSH: T17933F1B664D645DDE0D1B9B78B72839D3B3880816C5FC85982CB81C3D87A32B12B5296
• Submitted as: d217b37e7b50db1d4a30e5ad4e14736184b61de39039684b20233d4e42c56542.elf
• File type: elf · Size: 50412 bytes
• Verdict: suspicious (61/100)

Source: MalwareBazaar · first seen 2026-08-01T00:00:00.000Z · SHA-256 verified

Detections (6 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: Trojan:Linux/Multiverze!rfn
• Emsisoft (Emergency Kit): Trojan.Linux.Mirai.39487057
• 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)

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

Runtime network

• 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
• 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
• 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
• desktop-hsgcbep
• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• ff02::1:3
• 224.0.0.252
• 169.254.255.255
• 10.240.0.255
• 10.240.0.1
• ff02::fb
• 224.0.0.251
• 239.255.255.250
• ff02::16
• 135.233.95.144 US · Des Moines · AS8075 Microsoft Limited
• 185.125.190.57
• ff02::2
• ff02::1:ff12:3456

Embedded URLs

• http://upx.sf.net

Embedded domains

• upx.sf.net

Embedded IP addresses

• 135.233.95.144
• 20.42.65.90
• 74.178.232.29
• 92.223.78.30

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report