MALICIOUS — 31e517377c8a025ddd0adfb0558707464875187624981204e00f62a34353bc76.elf

MALICIOUS — 31e517377c8a025ddd0adfb0558707464875187624981204e00f62a34353bc76.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Ladvix family. 5 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 31e517377c8a025ddd0adfb0558707464875187624981204e00f62a34353bc76
• SHA-1: cabc9af1e315c19da7e54c90bbe59ab2ec4486f7
• MD5: 3b503288969cd0f87f426d32e1f46ceb
• ssdeep: 49152:6usNZujYgD6SVv6B5IIOqdMaPv/vYo/QQ:7sNMX6S+OqdMij
• TLSH: T1255A4B6905232211E2BAAE45B42504ED940BF654F17C2CBE810F6C2A91E93EFD6F5CD3
• Submitted as: 31e517377c8a025ddd0adfb0558707464875187624981204e00f62a34353bc76.elf
• File type: elf · Size: 2049687 bytes
• Verdict: malicious (99/100) · Family: Ladvix

Source: MalwareBazaar · first seen 2026-07-29T00:00:00.000Z · SHA-256 verified

Detections (5 of 54 engines)

• ClamAV (daily): Unix.Virus.Ladvix-10005306-0
• YARA: Stratosphere IPS: STRATO_IRC_Botnet
• Microsoft Defender: Trojan:Linux/Ladvix!rfn
• Emsisoft (Emergency Kit): Virus.Linux.Ladvix.1
• Kaspersky (KVRT): Virus.Linux.Lamer.b

MITRE ATT&CK

• T1571

Why this verdict

The malicious score of 99/100 is the fusion of 8 weighted signals:

• ClamAV (daily) flagged Unix.Virus.Ladvix-10005306-0 (rule Unix.Virus.Ladvix-10005306-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged Trojan:Linux/Ladvix!rfn (rule Trojan:Linux/Ladvix!rfn) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Virus.Linux.Ladvix.1 (rule Virus.Linux.Ladvix.1) - engine signal, weight 0.55, confidence 0.85
• 1 behavioral detection(s): Connection to suspicious/non-standard port [medium] (rule tl-suspicious-outbound-port) - dynamic signal, weight 0.40, confidence 0.90
• YARA: Stratosphere IPS flagged STRATO_IRC_Botnet (rule STRATO_IRC_Botnet) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://gcc.gnu.org/bugs, https://bugs.launchpad.net/ubuntu/+source/glibc/+bugs, 89.47.232.104 - static signal, weight 0.35, confidence 0.60
• Contacted 15 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)

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

Runtime network

• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• 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
• 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
• 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
• 89.47.232.104:22
• 89.47.232.104:3000
• 89.47.232.104:6667
• 10.240.0.1
• 89.47.232.104
• 224.0.0.251
• ff02::fb
• ff02::1:3
• 224.0.0.252
• 10.240.0.255
• 91.189.91.157
• 149.154.167.99
• 85.210.196.11

Dropped files

• tmp_tmp.9ggJu1mBxl - 223857621fa277cdbb76e58e8f42c67b58812e11fccc811537c328281bebfd97

Embedded URLs

• https://gcc.gnu.org/bugs
• https://bugs.launchpad.net/ubuntu/+source/glibc/+bugs

Embedded domains

• gcc.gnu.org
• bugs.launchpad.net

Embedded IP addresses

• 89.47.232.104
• 149.154.167.99
• 85.210.196.11
• 20.50.201.203
• 104.21.7.141
• 20.42.73.27
• 203.26.79.13
• 57.155.101.212

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report