MALICIOUS — 25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b.elf

MALICIOUS — 25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (90/100), attributed to the Malgent family. 6 of 26 detection engines flagged it.

Identification

• SHA-256: 25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b
• SHA-1: 48dc9391f1d900fa0de4cdbef2ae385a36ef512d
• MD5: b934f609340b5bfdb98e3ec8469b50b8
• ssdeep: 768:EJH/2hEQv3U7JTuzqzgxoehGqe/aJNtdZ6JRmC8DSbmjidlF2IJgGlzDpbuR1JO:E1ed3U7ibx3h+gNScCvbXd32IVJuA
• TLSH: T18B32F1B6A65CC90BD6544AF13DF00C6E7F907B4D637A683A024ECB750FB024F226A542
• Submitted as: 25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b.elf
• File type: elf · Size: 43976 bytes
• Verdict: malicious (90/100) · Family: Malgent

Source: MalwareBazaar · first seen 2026-08-01T00:00:00.000Z · SHA-256 verified

Detections (6 of 26 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• YARA: Intezer community: INTEZER_ELF_UPX_Modified
• Detect It Easy (packer/type): DIE:UPX 3.94
• Microsoft Defender: Trojan:Win32/Malgent
• Emsisoft (Emergency Kit): Trojan.Linux.Mirai.39487009
• Kaspersky (KVRT): HEUR:Backdoor.Linux.Mirai.b

Why this verdict

The malicious score of 90/100 is the fusion of 8 weighted signals:

• Microsoft Defender flagged Trojan:Win32/Malgent (rule Trojan:Win32/Malgent) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Linux.Mirai.39487009 (rule Trojan.Linux.Mirai.39487009) - engine signal, weight 0.55, confidence 0.85
• YARA: Intezer community flagged INTEZER_ELF_UPX_Modified (rule INTEZER_ELF_UPX_Modified) - engine signal, weight 0.35, confidence 0.70
• Detect It Easy (packer/type) flagged DIE:UPX 3.94 (rule DIE:UPX 3.94) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: http://upx.sf.net - static signal, weight 0.35, confidence 0.60
• Packing/obfuscation: high-entropy-blob, UPX 3.94 - static signal, weight 0.25, confidence 0.55
• Contacted 6 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

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

Runtime network

• 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
• 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
• desktop-hsgcbep
• 250.255.255.239.in-addr.arpa
• ntp.ubuntu.com
• ff02::1:3
• 224.0.0.252
• 169.254.255.255
• 10.240.0.255
• 224.0.0.251
• ff02::fb
• ff02::2
• 224.0.0.22
• ff02::16
• 52.148.114.188 SG · Singapore · AS8075 Microsoft Corporation
• 255.255.255.255
• 10.240.0.1
• 239.255.255.250

Dropped files

• tmp_tmp.iW8DpLgqk6 - 5d88f3dbd4507e755c6b56c96ce64d618fbabf0ce9887d77683a453d2f72c35c

Embedded URLs

• http://upx.sf.net

Embedded domains

• upx.sf.net

Embedded IP addresses

• 52.148.114.188
• 57.155.104.224
• 149.154.167.99

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report