MALICIOUS — 905648070f74afb7adca94f62308d34ed12e684192125d2153d832e13aaef5fe.elf

MALICIOUS — 905648070f74afb7adca94f62308d34ed12e684192125d2153d832e13aaef5fe.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the Gafgyt family. 3 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 905648070f74afb7adca94f62308d34ed12e684192125d2153d832e13aaef5fe
• SHA-1: 5e90a57a6e09727a9e16977c2f64bee61ee84ac4
• MD5: 942dc1ee8b06de5818d83611522233b0
• ssdeep: 1536:ggrFfrz89ahbgSQMK/5ZG+3QBoK/QMhYoJv5d+XuvksVHcqis:gurgkbkMA07mUkYas
• TLSH: T16C3AD6179AF77C28C770B462D442B8EDB4B201973D68CC6A03056A7B03247538F69B9E
• Submitted as: 905648070f74afb7adca94f62308d34ed12e684192125d2153d832e13aaef5fe.elf
• File type: elf · Size: 98260 bytes
• Verdict: malicious (94/100) · Family: Gafgyt

Source: MalwareBazaar · first seen 2026-07-26T00:00:00.000Z · SHA-256 verified

Detections (3 of 54 engines)

• Microsoft Defender: Backdoor:Linux/Gafgyt.W!MTB
• Emsisoft (Emergency Kit): Trojan.Generic.40335401
• Kaspersky (KVRT): HEUR:Backdoor.Linux.Gafgyt.jk

MITRE ATT&CK

• T1105
• T1059.004

Why this verdict

The malicious score of 94/100 is the fusion of 7 weighted signals:

• 1 behavioral detection(s): Download-and-execute dropper (wget/curl + chmod) [high] (rule tl-linux-download-exec) - dynamic signal, weight 0.60, confidence 0.90
• Microsoft Defender flagged Backdoor:Linux/Gafgyt.W!MTB (rule Backdoor:Linux/Gafgyt.W!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Generic.40335401 (rule Trojan.Generic.40335401) - engine signal, weight 0.55, confidence 0.85
• Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
• Embedded network infrastructure: https://bing.com/, https://facebook.com/, https://t.co/ - static signal, weight 0.35, confidence 0.60
• Contacted 5 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

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

Runtime network

• desktop-hsgcbep._dosvc._tcp.local
• entropy.ubuntu.com
• desktop-hsgcbep
• _dosvc._tcp.local
• 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
• 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
• 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
• ntp.ubuntu.com
• 23.221.133.182
• 23.221.133.123
• 185.125.189.52
• 224.0.0.251
• ff02::fb
• 10.240.0.1
• ff02::1:3
• 224.0.0.252
• 10.240.0.255
• ff02::1:ff12:3456
• ff02::16

Dropped files

• tmp_tmp.zLGxbOqEy2 - 15bf080cc324aea5917e0e7972b75084e31cd2561243ae61aba2f79545769f86

Embedded URLs

• http://www.google.com/bot.html
• https://google.com/
• https://bing.com/
• https://facebook.com/
• https://t.co/

Embedded domains

• www.google.com
• bing.com
• facebook.com
• t.co
• google.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
• 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
• 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
• desktop-hsgcbep._dosvc._tcp.local
• entropy.ubuntu.com
• _dosvc._tcp.local
• ntp.ubuntu.com

Embedded IP addresses

• 94.154.43.80
• 1.1.1.1
• 8.8.8.8
• 2.2.2.2
• 3.3.3.3
• 4.4.4.4
• 23.221.133.182
• 23.221.133.123
• 185.125.189.52
• 203.26.79.13
• 185.125.190.57

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report