MALICIOUS — virussign.com_b86ceb989bc46d4eb2f9296d4a0fe660.vir

MALICIOUS — virussign.com_b86ceb989bc46d4eb2f9296d4a0fe660.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Muldrop family. 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 336ab4fe3125b11c96ab2ca6467c8e2dd1695cfdffb231618b9630eb8afda225
• SHA-1: e6a26f12b8b4f51b603d9cec4d506df77c461c11
• MD5: b86ceb989bc46d4eb2f9296d4a0fe660
• imphash: b7b1d154ca47a083b83fddc13f54b733
• ssdeep: 3072:L4duVFo5hR33ax6eFXcoYF8Jx3vMqgviuA:L4ooRC6e/YeJx3Eqgviu
• TLSH: T19B418EAF309249BFC30A63847BD018CC17E353DA21575CAAE148DA99D9B53FBAD90071
• Submitted as: virussign.com_b86ceb989bc46d4eb2f9296d4a0fe660.vir
• File type: pe · Size: 188452 bytes
• Verdict: malicious (98/100) · Family: Muldrop

Source: VirusSign · first seen 2026-07-16T00:00:00.000Z · SHA-256 verified

Detections (4 of 53 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 98/100 is the fusion of 6 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
• Memory forensics: 3 finding(s), e.g. process hidden from a listing (rule windows.psxview.PsXView) - memory signal, weight 0.55, confidence 0.85
• 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)

39327 behavior events · 1 ATT&CK techniques · 0 dropped files.

Runtime network

• searchapp.bundleassets.example
• www.msftconnecttest.com
• staging.to-do.officeppe.com
• teams.cloud.microsoft
• outlook.office.com
• outlook.office365.com
• www.bing.com
• desktop-hsgcbep
• aps.prod.windows.com
• config.edge.skype.com
• tas02.sls.update.microsoft.com
• settings-win.data.microsoft.com
• to-do.microsoft.com
• dns.msftncsi.com
• ctldl.windowsupdate.com
• staging.to-do.microsoft.com
• edge.microsoft.com
• teams.microsoft.com
• ecs.office.com
• watson.events.data.microsoft.com

Embedded URLs

• http://www.w3.org/1999/02/22-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
• staging.to-do.officeppe.com
• teams.cloud.microsoft
• searchapp.bundleassets.example
• www.msftconnecttest.com
• outlook.office.com
• outlook.office365.com
• www.bing.com
• aps.prod.windows.com
• config.edge.skype.com
• tas02.sls.update.microsoft.com
• settings-win.data.microsoft.com
• to-do.microsoft.com
• dns.msftncsi.com
• ctldl.windowsupdate.com
• staging.to-do.microsoft.com
• edge.microsoft.com
• teams.microsoft.com
• ecs.office.com
• watson.events.data.microsoft.com
• www.msftncsi.com
• g.live.com

File paths

• C:\Program

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report