MALICIOUS — 63559cb87098de64cbe5f1d981bf782283a8e24e3d81926a3ddb80cae5b5d856.sh

MALICIOUS — 63559cb87098de64cbe5f1d981bf782283a8e24e3d81926a3ddb80cae5b5d856.sh is a shell sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the WebShell family. 3 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 63559cb87098de64cbe5f1d981bf782283a8e24e3d81926a3ddb80cae5b5d856
• SHA-1: 2b359eb0ae2ade043e348233d4035da6784e230e
• MD5: b933c74c0a98bcdb4f78a38957c24b16
• ssdeep: 768:C08vCB+25j6es8RI9FYpMSUpi+20qUpi+20YQX:C08l25Jed2QX
• TLSH: T1F52D7D883CF8E933E76A224E6B1667238513A0BDF7C5DF27E0C21751F835890668A54D
• Submitted as: 63559cb87098de64cbe5f1d981bf782283a8e24e3d81926a3ddb80cae5b5d856.sh
• File type: shell · Size: 27042 bytes
• Verdict: malicious (96/100) · Family: WebShell

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

Detections (3 of 50 engines)

• Microsoft Defender: Trojan:Linux/WebShell!AMTB
• Emsisoft (Emergency Kit): Trojan.GenericKDZ.118886
• Kaspersky (KVRT): HEUR:Backdoor.PHP.WebShell.gen

MITRE ATT&CK

• T1105
• T1059.004

Why this verdict

The malicious score of 96/100 is the fusion of 9 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
• 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/WebShell!AMTB (rule Trojan:Linux/WebShell!AMTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.GenericKDZ.118886 (rule Trojan.GenericKDZ.118886) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: 160.119.69.4 - static signal, weight 0.35, confidence 0.60
• Contacted 13 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Contacted 13 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
• Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

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

Runtime network

• entropy.ubuntu.com
• desktop-hsgcbep._dosvc._tcp.local
• _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
• 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
• 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
• 160.119.69.4:80
• 185.125.189.53
• 160.119.69.4
• 10.240.0.1
• 203.26.79.13
• 74.178.76.44
• 57.155.101.212
• 224.0.0.251
• ff02::fb
• ff02::1:3
• 224.0.0.252

Dropped files

• tmp_tmp.cm7XTloqNu - 579410ab9d2736b4767ce7cba68834dcfe80391460b4e9f1e56baa0378af6e01

Embedded domains

• 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
• 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
• 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
• entropy.ubuntu.com
• desktop-hsgcbep._dosvc._tcp.local
• _dosvc._tcp.local
• ntp.ubuntu.com

Embedded IP addresses

• 160.119.69.4
• 185.125.189.53
• 203.26.79.13
• 74.178.76.44
• 57.155.101.212
• 185.125.190.57
• 72.154.7.110
• 172.215.188.225
• 20.184.175.7
• 185.125.190.56
• 48.211.4.16
• 91.189.91.157

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report