Office (OLE) / .DOCX malware analysis — malicious · 289f8b4babc8f697

MALICIOUS

Office (OLE) / .DOCX

185.1 KB Created: 2020-10-30 04:19:00 Authoring application: Microsoft Office Word

MD5: 7e17934499da8d50178ac964b25caf6d SHA-1: 44a7a68d325829b5a5522f71e97963927d3a6461 SHA-256: 289f8b4babc8f697bcbc3125ded9cfddefa96b986243538034beda8361d69a26

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an attempt to execute code automatically. The ClamAV detection and heuristic firings strongly suggest malicious intent, likely for downloading and executing a second-stage payload. The embedded URL, though benign in reputation, is noted as present in the document text.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
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` `f7e154fbc1687723523f4f201e3a1591c84897657fe14056a01af3060d347cbe`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17509 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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