SUSPICIOUS — virussign.com_87782d6fb9f7b88e98ad847e7ab19890.vir

SUSPICIOUS — virussign.com_87782d6fb9f7b88e98ad847e7ab19890.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (51/100), attributed to the Emotet family. 2 of 52 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 89fe5dc3429716b0629ea60cad08b593ed1f431114973cc7849b752e662a0dfa
• SHA-1: 3ada9d91b01111ccf841da72d36c9313a5bd032f
• MD5: 87782d6fb9f7b88e98ad847e7ab19890
• imphash: 780e05e5b06fcc7ae9626db5cf3582fb
• ssdeep: 24576:VKy1zwORVeEGRBOZRTnE7/N+x6diMgQXe9:DOueBRUZRbgW5pQXe9
• TLSH: T12751F10A01073115C6F4ED2AA072E9ED0857FB1BA436CECA9302E94AC5C5F5FADE1479
• Submitted as: virussign.com_87782d6fb9f7b88e98ad847e7ab19890.vir
• File type: pe · Size: 839680 bytes
• Verdict: suspicious (51/100) · Family: Emotet

Source: VirusSign · first seen 2026-08-09T00:00:00.000Z · SHA-256 verified

Detections (2 of 52 engines)

• YARA: JPCERT/CC: JPCERT_Emotet
• Microsoft Defender: Virus:Win32/Expiro.HAB!MTB

MITRE ATT&CK

• T1071.001

Why this verdict

The suspicious score of 51/100 is the fusion of 3 weighted signals:

• YARA: JPCERT/CC flagged JPCERT_Emotet (rule JPCERT_Emotet) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://crash-reports.mozilla.com/submit, https://crash-reports-xpsp2.mozilla.com/submit - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• http://schemas.microsoft.com/SMI/2005/WindowsSettings
• http://schemas.microsoft.com/SMI/2017/WindowsSettings
• https://crash-reports.mozilla.com/submit
• https://crash-reports-xpsp2.mozilla.com/submit

Embedded domains

• schemas.microsoft.com
• crash-reports.mozilla.com
• crash-reports-xpsp2.mozilla.com

File paths

• z:\task_1581954009\build\src\obj-firefox\toolkit\crashreporter\client\crashreporter.pdb
• F:\_i

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report