MALICIOUS — 0275d7b76fb12f336927a089281b6b19edfdd5d6540f46b2b29e057a648549ad.elf

MALICIOUS — 0275d7b76fb12f336927a089281b6b19edfdd5d6540f46b2b29e057a648549ad.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Wacatac family. 4 of 53 detection engines flagged it.

Identification

• SHA-256: 0275d7b76fb12f336927a089281b6b19edfdd5d6540f46b2b29e057a648549ad
• SHA-1: 0e5924c73f123635a4f6c722af43574998d5fc00
• MD5: 1896fdcd7fb94263dce24ed7c2c4bcbb
• ssdeep: 768:TU3n2GTuXCxQOH4+sWARvJxQDTvboFnIIFT86UgBZEPb7+0H:S3dH4xbQsFD18h8C1H
• TLSH: T15532094F443C4762EED0A586B054CE6CFE26EE110A76CD7E52834FAB98C66F30520617
• Submitted as: 0275d7b76fb12f336927a089281b6b19edfdd5d6540f46b2b29e057a648549ad.elf
• File type: elf · Size: 43872 bytes
• Verdict: malicious (97/100) · Family: Wacatac

Source: MalwareBazaar · first seen 2026-07-28T00:00:00.000Z · SHA-256 verified

Detections (4 of 53 engines)

• ClamAV (daily): Unix.Trojan.Mirai-10056448-0
• Microsoft Defender: Trojan:Script/Wacatac.B!ml
• Emsisoft (Emergency Kit): Trojan.Generic.40343384
• Kaspersky (KVRT): HEUR:Backdoor.Linux.Agent.ei

Why this verdict

The malicious score of 97/100 is the fusion of 6 weighted signals:

• ClamAV (daily) flagged Unix.Trojan.Mirai-10056448-0 (rule Unix.Trojan.Mirai-10056448-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged Trojan:Script/Wacatac.B!ml (rule Trojan:Script/Wacatac.B!ml) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Generic.40343384 (rule Trojan.Generic.40343384) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: 94.154.43.88, 185.158.107.249 - static signal, weight 0.35, confidence 0.60
• Contacted 6 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (2 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

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

Runtime network

• desktop-hsgcbep(1)._dosvc._tcp.local
• _dosvc._tcp.local
• desktop-hsgcbep
• ntp.ubuntu.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
• 224.0.0.251
• ff02::fb
• 203.26.79.13
• ff02::1:3
• 224.0.0.252
• 10.240.0.255
• 10.240.0.1
• 169.254.255.255
• ff02::16
• 10.240.0.77
• 23.40.52.123
• 224.0.0.22

Dropped files

• tmp_tmp.OvcQx7Cauq - ddca65446d9a4739c4bcae1bc0b128824b5924d8f2b2369601d6bba0d437c6c7

Embedded domains

• telnet.sh

Embedded IP addresses

• 94.154.43.88
• 185.158.107.249
• 203.26.79.13
• 23.40.52.123
• 92.223.78.30
• 23.40.52.148

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report