MALICIOUS — virussign.com_6f43e459f966ad17f6fc04526e7d4cd0.vir

MALICIOUS — virussign.com_6f43e459f966ad17f6fc04526e7d4cd0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Muldrop family. 4 of 51 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 13a7c74884f5221c18f42f8f5262305d8e5750b8c9896f4808d27f6eaff2bc0a
• SHA-1: e5bf17a24f343dcb9258b9f44bca49a6df3c64ba
• MD5: 6f43e459f966ad17f6fc04526e7d4cd0
• imphash: b7b1d154ca47a083b83fddc13f54b733
• ssdeep: 3072:GEdXV+o5HbU4kx6+FXUo9y6sY3vMqgviui:GEeoqd6+39psY3Eqgviu
• TLSH: T1B6418EAF309249BFC30A63847BD018CC17E353DA21575CAAE148DA99D9B53FBAD90071
• Submitted as: virussign.com_6f43e459f966ad17f6fc04526e7d4cd0.vir
• File type: pe · Size: 188428 bytes
• Verdict: malicious (99/100) · Family: Muldrop

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

Detections (4 of 51 engines)

• ClamAV (daily): Win.Malware.Midie-6847893-0
• Microsoft Defender: TrojanDropper:Win32/Muldrop.V!MTB
• Emsisoft (Emergency Kit): Gen:Heur.Conjar.9
• Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.pef

MITRE ATT&CK

• T1112

Why this verdict

The malicious score of 99/100 is the fusion of 7 weighted signals:

• ClamAV (daily) flagged Win.Malware.Midie-6847893-0 (rule Win.Malware.Midie-6847893-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged TrojanDropper:Win32/Muldrop.V!MTB (rule TrojanDropper:Win32/Muldrop.V!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Heur.Conjar.9 (rule Gen:Heur.Conjar.9) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Agent.pef (rule HEUR:Trojan.Win32.Agent.pef) - engine signal, weight 0.55, confidence 0.85
• Contacted 62 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded network infrastructure: http://purl.org/dc/elements/1.1/, http://www.iec.ch - static signal, weight 0.35, confidence 0.60
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

11319 behavior events · 1 ATT&CK techniques · 0 dropped files.

Runtime network

• settings-win.data.microsoft.com
• 250.255.255.239.in-addr.arpa
• www.msftconnecttest.com
• login.live.com
• desktop-hsgcbep
• ctldl.windowsupdate.com
• 1.0.240.10.in-addr.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
• 251.0.0.224.in-addr.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
• 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
• 252.0.0.224.in-addr.arpa
• ocsp.digicert.com
• 172.30.101.151.in-addr.arpa
• 19.167.190.20.in-addr.arpa
• 157.37.11.23.in-addr.arpa
• tas02.sls.update.microsoft.com
• v10.events.data.microsoft.com
• 137.92.232.135.in-addr.arpa
• _dosvc._tcp.local

Embedded URLs

• http://www.w3.org/1999/02/2r-rdf-syntax-ns#
• http://ns.adobe.com/xap/1.0/
• http://purl.org/dc/elements/1.1/
• http://ns.adobe.com/photoshop/1.0/
• http://ns.adobe.com/xap/1.0/mm/
• http://ns.adobe.com/xap/1.0/sType/ResourceRef#
• http://www.iec.ch

Embedded domains

• ns.adobe.com
• www.w3.org
• purl.org
• www.iec.ch

Embedded IP addresses

• 74.178.232.29
• 135.232.92.137
• 52.123.252.246
• 52.168.117.168
• 172.172.255.218
• 20.42.179.204
• 89.238.68.201
• 40.84.97.4
• 4.247.188.233
• 52.168.117.174
• 57.155.101.212
• 20.42.65.90
• 4.247.188.224
• 57.154.63.210
• 57.155.104.224
• 13.89.179.15
• 48.211.4.16
• 72.154.7.111
• 135.234.160.246
• 20.165.94.63
• 52.148.114.188
• 172.178.240.162
• 20.42.65.84
• 135.233.45.221
• 172.172.255.216

File paths

• C:\Program

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report