MALICIOUS — 21d8e211fab585677e0cf843c6ec41f0718b8f5ef32aae102d57b2a5e078b0ab.elf

MALICIOUS — 21d8e211fab585677e0cf843c6ec41f0718b8f5ef32aae102d57b2a5e078b0ab.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (89/100), attributed to the Mirai family. 4 of 56 detection engines flagged it.

Identification

• SHA-256: 21d8e211fab585677e0cf843c6ec41f0718b8f5ef32aae102d57b2a5e078b0ab
• SHA-1: 663c38062e1f08fd1b6c924b095d59abf2b79d07
• MD5: 28868fd3d425b25c984f22855e311c1e
• ssdeep: 3072:ARz+86yRSMqPAnpGl4SpWhVClJH/4Y3WYC:ARz+hiSMqPAElLpWnCX/40WY
• TLSH: T15442C5179E777D14C7B07525D54238EEF4F1018A7AB4CCAA0308AA37071A6234F697AE
• Submitted as: 21d8e211fab585677e0cf843c6ec41f0718b8f5ef32aae102d57b2a5e078b0ab.elf
• File type: elf · Size: 214360 bytes
• Verdict: malicious (89/100) · Family: Mirai

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

Detections (4 of 56 engines)

• ClamAV (daily): Unix.Dropper.Mirai-7135897-0
• Microsoft Defender: Backdoor:Linux/Mirai.AM!xp
• Emsisoft (Emergency Kit): Trojan.Generic.40356067
• Kaspersky (KVRT): HEUR:Backdoor.Linux.Mirai.cw

Why this verdict

The malicious score of 89/100 is the fusion of 2 weighted signals:

• ClamAV (daily) flagged Unix.Dropper.Mirai-7135897-0 (rule Unix.Dropper.Mirai-7135897-0) - engine signal, weight 0.90, confidence 0.95
• Embedded network infrastructure: 94.154.43.237 - static signal, weight 0.35, confidence 0.60

Dynamic analysis (linux)

986 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
• desktop-hsgcbep
• ntp.ubuntu.com
• 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
• 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
• 250.255.255.239.in-addr.arpa
• 127.243.197.60
• 0.71.138.16
• ff02::1:3
• 224.0.0.252
• 10.240.0.1
• 10.240.0.255
• ff02::fb
• 224.0.0.251
• 169.254.255.255
• ff02::16
• ff02::2
• ff02::1:ff12:3456
• 239.255.255.250

Embedded domains

• example.com

Embedded IP addresses

• 94.154.43.237
• 172.172.255.216
• 20.184.175.20

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report