MALICIOUS — f28ff115079db6cd81b52775a337d2f694b53d130a2c1e52a247585c55ef7e71.elf

MALICIOUS — f28ff115079db6cd81b52775a337d2f694b53d130a2c1e52a247585c55ef7e71.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the Mirai family. 7 of 56 detection engines flagged it.

Identification

• SHA-256: f28ff115079db6cd81b52775a337d2f694b53d130a2c1e52a247585c55ef7e71
• SHA-1: 31e10119b42a6ecc9125dabb88e27d7f52f04c56
• MD5: d60105c1eb43ec3f7eff025924966220
• ssdeep: 768:M9mIAsqqVUkJ96hb61ysYZNDkn9fj3yu92Pj0P+D65NeOD4uVcqgw0Ip:UmIJqqVbyVZQ9LyA+D6beOD4u+qgw0Ip
• TLSH: T1DD31F1417E3FF290F4BE9428E537149D580CA787E02205F987205D2D29127BB9AB4B5E
• Submitted as: f28ff115079db6cd81b52775a337d2f694b53d130a2c1e52a247585c55ef7e71.elf
• File type: elf · Size: 40660 bytes
• Verdict: malicious (94/100) · Family: Mirai

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

Detections (7 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Unix.Trojan.Mirai-9936831-0
• YARA: Intezer community: INTEZER_ELF_UPX_Modified
• Detect It Easy (packer/type): DIE:UPX 3.94
• Microsoft Defender: Trojan:Linux/Mirai.HAF!MTB
• Emsisoft (Emergency Kit): Trojan.Linux.Mirai.39487016
• Kaspersky (KVRT): HEUR:Backdoor.Linux.Mirai.b

Why this verdict

The malicious score of 94/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Unix.Trojan.Mirai-9936831-0 (rule Unix.Trojan.Mirai-9936831-0) - engine signal, weight 0.90, confidence 0.95
• 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)

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

Runtime network

• 250.255.255.239.in-addr.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
• 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
• 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
• desktop-hsgcbep
• ntp.ubuntu.com
• ff02::1:3
• 224.0.0.252
• 23.221.133.123
• 169.254.255.255
• 10.240.0.1
• 239.255.255.250
• 10.240.0.255
• ff02::16
• 52.148.114.188 SG · Singapore · AS8075 Microsoft Corporation
• ff02::fb
• 224.0.0.251
• 255.255.255.255
• 172.172.255.217 US · Ashburn · AS8075 Microsoft Limited

Embedded URLs

• http://upx.sf.net

Embedded domains

• upx.sf.net

Embedded IP addresses

• 52.148.114.188
• 172.172.255.217
• 52.182.141.63
• 74.178.76.128
• 40.79.141.154
• 4.247.188.224
• 172.172.255.216

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report