Emotet Office (OLE) / .DOCX malware analysis — malicious · 90aeee97e0274703

MALICIOUS

Office (OLE) / .DOCX

189.5 KB Created: 2020-10-21 20:47:00 Authoring application: Microsoft Office Word

MD5: 2ccde92626a4f8617cddff1fc91c1a65 SHA-1: 5f940c493d15fe8661610b57ab680d33ec358c7c SHA-256: 90aeee97e0274703c7aaaebf22decaa0c4c4e1c626f2bb0713892ee662256842

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically an auto-executing Document_Open macro that uses CreateObject, strongly indicate a malicious dropper. The presence of VBA macros and the ClamAV signature suggest this file is part of the Emotet malware distribution. The document body content is heavily obfuscated and unreadable, but the technical indicators are clear.

Heuristics 7

ClamAV: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC

Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `de68eb219c86c839b194b174abd2b170f818ab76547e269289797596310c601e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	23214 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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