MALICIOUS — 36cf9328ea3b65ec26b390235274bdb2beb4a12288a91e023f61aeb2b43d27e6.elf

MALICIOUS — 36cf9328ea3b65ec26b390235274bdb2beb4a12288a91e023f61aeb2b43d27e6.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Gafgyt family. 4 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 36cf9328ea3b65ec26b390235274bdb2beb4a12288a91e023f61aeb2b43d27e6
• SHA-1: 1fc3e0038769821b4c2ce8f56b41445cd005ac3e
• MD5: c817c7f1d75960ed4a034a13658576ba
• ssdeep: 1536:wO8gGu6I8CDQp8TvPh3Egy5F64t2c/y8Wx/sfTCN1ofirl+Bbd5lc7FSagIMhgY:8gGGQuPh0gy5F64w8UkPfirlYdPc8OY
• TLSH: T1DB39F7C9F9B75D10E3F408E810F2885DD750686F88D9BB2D835A12E75ABB71746B8803
• Submitted as: 36cf9328ea3b65ec26b390235274bdb2beb4a12288a91e023f61aeb2b43d27e6.elf
• File type: elf · Size: 87464 bytes
• Verdict: malicious (99/100) · Family: Gafgyt

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

Detections (4 of 54 engines)

• ClamAV (daily): Unix.Trojan.Gafgyt-7782058-0
• Microsoft Defender: Backdoor:Linux/Mirai.HF!MTB
• Emsisoft (Emergency Kit): Trojan.Generic.40320794
• Kaspersky (KVRT): HEUR:Backdoor.Linux.Gafgyt.jk

MITRE ATT&CK

• T1105
• T1059.004

Why this verdict

The malicious score of 99/100 is the fusion of 10 weighted signals:

• ClamAV (daily) flagged Unix.Trojan.Gafgyt-7782058-0 (rule Unix.Trojan.Gafgyt-7782058-0) - engine signal, weight 0.90, confidence 0.95
• 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
• 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/Mirai.HF!MTB (rule Backdoor:Linux/Mirai.HF!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Generic.40320794 (rule Trojan.Generic.40320794) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: https://bing.com/, https://facebook.com/, https://t.co/ - static signal, weight 0.35, confidence 0.60
• Contacted 6 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Contacted 6 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
• Extracted generic config (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

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

Runtime network

• entropy.ubuntu.com
• _dosvc._tcp.local
• ntp.ubuntu.com
• desktop-hsgcbep
• 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
• 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
• 185.125.189.54:443
• 135.232.92.34
• 185.125.189.54
• 10.240.0.1
• 224.0.0.251
• ff02::fb
• ff02::1:3
• 224.0.0.252
• 10.240.0.255
• ff02::16
• ff02::2
• 92.223.78.30

Dropped files

• tmp_tmp.oYlTOWr6E9 - 54f605c431d4c7554235a83485d25adfc594ca4dfa61e7ca096ed43fc169a217

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
• 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
• 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
• entropy.ubuntu.com
• _dosvc._tcp.local
• ntp.ubuntu.com

Embedded IP addresses

• 1.1.1.1
• 8.8.8.8
• 2.2.2.2
• 3.3.3.3
• 4.4.4.4
• 94.154.43.80
• 135.232.92.34
• 185.125.189.54
• 92.223.78.30
• 172.215.188.225
• 91.189.91.157

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report