MALICIOUS — 8fc661e3c83b3108e1281d1270c26fcfe19038916ee7f14142880a6807416343.sh

MALICIOUS — 8fc661e3c83b3108e1281d1270c26fcfe19038916ee7f14142880a6807416343.sh is a shell sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100), attributed to the SAgent family. 3 of 51 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 8fc661e3c83b3108e1281d1270c26fcfe19038916ee7f14142880a6807416343
• SHA-1: 88f7eaf50f58205d0f50f7eda50b1f21c037b5d3
• MD5: c3d9860e56afe4138d644068b2e275a7
• ssdeep: 24:gWeFFKDkDwVXhyFG2TJDe1Ysv82j0PBXxi8Q8hFK25Evuc0v:ghv2yw2TJDe1rv8y8Q8hF5rv
• TLSH: T1C7148229E15572E627771BA292A5CCF10AC7ACC4EF523D4F11B2201EDD1B612B41A06B
• Submitted as: 8fc661e3c83b3108e1281d1270c26fcfe19038916ee7f14142880a6807416343.sh
• File type: shell · Size: 1584 bytes
• Verdict: malicious (91/100) · Family: SAgent

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

Detections (3 of 51 engines)

• Microsoft Defender: Trojan:Linux/SAgent.KK!MTB
• Emsisoft (Emergency Kit): Trojan.Generic.40333966
• Kaspersky (KVRT): HEUR:Trojan-Downloader.Shell.Agent.a

MITRE ATT&CK

• T1105
• T1059.004

Why this verdict

The malicious score of 91/100 is the fusion of 6 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 Trojan:Linux/SAgent.KK!MTB (rule Trojan:Linux/SAgent.KK!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Generic.40333966 (rule Trojan.Generic.40333966) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: http://5.182.210.61/d1e4e6, http://5.182.210.61/e77be8, http://5.182.210.61/27976f - static signal, weight 0.35, confidence 0.60
• Contacted 10 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

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

Runtime network

• desktop-hsgcbep._dosvc._tcp.local
• desktop-hsgcbep(1)._dosvc._tcp.local
• desktop-hsgcbep
• _dosvc._tcp.local
• ntp.ubuntu.com
• 5.182.210.61:80
• 5.182.210.61
• 224.0.0.251
• ff02::fb
• 185.125.189.54
• ff02::1:3
• 224.0.0.252
• 10.240.0.255
• ff02::1:ff12:3456
• ff02::16
• 10.240.0.1
• ff02::2
• ff02::1
• 255.255.255.255
• ff02::1:ff4c:1d1d

Dropped files

• tmp_tmp.gnXsEORRm6 - 182229c1406d774a744065a456104f24299b5a00a293b5375fe1c871ab409697

Embedded URLs

• http://5.182.210.61/d1e4e6
• http://5.182.210.61/e77be8
• http://5.182.210.61/27976f
• http://5.182.210.61/e6e76d
• http://5.182.210.61/b07b84
• http://5.182.210.61/92cc1f
• http://5.182.210.61/bf96dc
• http://5.182.210.61/91b24a
• http://5.182.210.61/cf8b70
• http://5.182.210.61/ea2ba2
• http://5.182.210.61/9989a1
• http://5.182.210.61/76fe4e

Embedded domains

• desktop-hsgcbep._dosvc._tcp.local
• desktop-hsgcbep(1)._dosvc._tcp.local
• _dosvc._tcp.local
• ntp.ubuntu.com

Embedded IP addresses

• 5.182.210.61
• 185.125.189.54
• 85.210.193.152
• 20.184.175.7
• 185.125.190.57
• 20.42.179.192
• 185.125.190.58
• 203.26.79.13
• 72.153.5.131

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report