SUSPICIOUS — a51580aade05f548b87eaf1dd98e4004330dbdcd8822a6405588944c57a8d33a.sh

SUSPICIOUS — a51580aade05f548b87eaf1dd98e4004330dbdcd8822a6405588944c57a8d33a.sh is a shell sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (55/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: a51580aade05f548b87eaf1dd98e4004330dbdcd8822a6405588944c57a8d33a
• SHA-1: 418469b90afbade1081e050b10a0a23ad90f3302
• MD5: 8bf1b48138aecfd39dd241f7f515578a
• ssdeep: 24:kXCKysE2hi0ziQvZohaxMmF2AFuN1i0Xsj7d/tTlGN7:e9Qp+MsxvF2AIwPjhtTlM7
• TLSH: T145118E06123881FF03AF97B01748F86D289EB3D76B64986F425194058682A51B02B5DE
• Submitted as: a51580aade05f548b87eaf1dd98e4004330dbdcd8822a6405588944c57a8d33a.sh
• File type: shell · Size: 835 bytes
• Verdict: suspicious (55/100)

Source: MalwareBazaar · first seen 2026-08-02T00:00:00.000Z · SHA-256 verified

Detections (3 of 53 engines)

• Microsoft Defender: Trojan:Win32/Egairtigado!rfn
• Emsisoft (Emergency Kit): Trojan.GenericKD.81008360
• Kaspersky (KVRT): HEUR:Trojan-Downloader.Shell.Agent.a

MITRE ATT&CK

• T1105

Why this verdict

The suspicious score of 55/100 is the fusion of 4 weighted signals:

• 1 behavioral detection(s): Remote payload download (wget/curl) [medium] (rule tl-linux-download-cradle) - dynamic signal, weight 0.40, confidence 0.90
• Embedded network infrastructure: http://129.121.110.105/rEo, http://129.121.110.105/dmZ8, http://129.121.110.105/hjAW - static signal, weight 0.35, confidence 0.60
• Contacted 14 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

921 behavior events · 0 ATT&CK techniques · 0 dropped files.

Runtime network

• 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
• 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
• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• 129.121.110.105:80 US · Tabiona · SoftwareWorks Group, Inc.
• 150.171.109.114
• ff02::1:3
• 224.0.0.252
• 129.121.110.105 US · Tabiona · SoftwareWorks Group, Inc.
• 72.154.7.109 US · Moses Lake · AS8075 Microsoft Corporation
• 20.42.65.88 US · Flint Hill · AS8075 Microsoft Corporation
• 4.247.188.233 IN · Pune · AS8075 Microsoft Corporation
• 10.240.0.255
• 10.240.0.1
• ff02::fb
• 224.0.0.251
• ff02::16

Embedded URLs

• http://129.121.110.105/rEo
• http://129.121.110.105/dmZ8
• http://129.121.110.105/hjAW
• http://129.121.110.105/Nkg
• http://129.121.110.105/4Ao

Embedded IP addresses

• 129.121.110.105
• 72.154.7.109
• 20.42.65.88
• 4.247.188.233
• 172.172.255.217
• 74.178.76.128
• 20.184.175.16
• 20.42.73.30
• 20.184.175.18
• 52.123.129.14
• 20.42.73.27
• 40.84.85.40
• 51.132.193.105

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report