MALICIOUS — 818fc91035001088985191fa3925f90d080c5b1bc271a0768d4d581eabcab415

MALICIOUS — 818fc91035001088985191fa3925f90d080c5b1bc271a0768d4d581eabcab415 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100), attributed to the EYLR family. 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 818fc91035001088985191fa3925f90d080c5b1bc271a0768d4d581eabcab415
• SHA-1: dfba43a5f7dcfda6aed37c046f4c498dca87ba79
• MD5: f03e712d7f8fbdf0014f38ce5c6b297a
• imphash: 802dcac7aab948c19738ba3df9f356d9
• ssdeep: 192:yQBggb9Q2bekJBqhzCIIIQlTtGSdxOjoEMIpLTe1yS9XnHSMUF8:yQ3bXykJBqhz9QhtGSdYDTbS9XHSbO
• TLSH: T1EA27A66705A19D5BF617D6FB5480DF0D28F2E4F899B701D81D82DC0DA67CC5328A920E
• Submitted as: 818fc91035001088985191fa3925f90d080c5b1bc271a0768d4d581eabcab415
• File type: pe · Size: 16384 bytes
• Verdict: malicious (84/100) · Family: EYLR

Detections (5 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): PureBasic
• Detect It Easy (packer/type): DIE:PureBasic
• Microsoft Defender: Trojan:Win32/Zexa.WE!MTB
• Emsisoft (Emergency Kit): Trojan.Agent.EYLR
• Kaspersky (KVRT): Trojan.Win32.Agentb.kntn

MITRE ATT&CK

• T1112

Why this verdict

The malicious score of 84/100 is the fusion of 5 weighted signals:

• Microsoft Defender flagged Trojan:Win32/Zexa.WE!MTB (rule Trojan:Win32/Zexa.WE!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Agent.EYLR (rule Trojan.Agent.EYLR) - engine signal, weight 0.55, confidence 0.85
• Detect It Easy (packer/type) flagged DIE:PureBasic (rule DIE:PureBasic) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: PureBasic - static signal, weight 0.25, confidence 0.55
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

30 behavior events · 1 ATT&CK techniques · 1 dropped files.

Runtime network

• www.msftconnecttest.com
• searchapp.bundleassets.example
• staging.to-do.officeppe.com
• desktop-hsgcbep
• config.edge.skype.com
• www.bing.com
• fd.api.iris.microsoft.com
• aps.prod.windows.com
• dns.msftncsi.com
• tas02.sls.update.microsoft.com
• ctldl.windowsupdate.com
• to-do.microsoft.com
• settings-win.data.microsoft.com
• staging.to-do.microsoft.com
• edge.microsoft.com
• watson.events.data.microsoft.com
• teams.microsoft.com
• 224.0.0.252
• 192.168.122.1
• 192.168.122.255

Dropped files

• /opt/CAPEv2/storage/analyses/4654/files/f16cbaac97735ca7dcdc5ceb36433f74884d4ffad41a289a20b5f6eb55ea01d2 - f16cbaac97735ca7dcdc5ceb36433f74884d4ffad41a289a20b5f6eb55ea01d2

Embedded domains

• staging.to-do.officeppe.com

File paths

• C:\Users\

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report