Office (OLE) / .DOCX malware analysis — malicious · c47e2824a0c7956c

MALICIOUS

Office (OLE) / .DOCX

234.6 KB Created: 2020-10-28 21:52:00 Authoring application: Microsoft Office Word

MD5: 18edeae3c52e5fe3674ee2270d89d56c SHA-1: 1cc6ee349459ba05f530539a7bae8d028b3c5a8a SHA-256: c47e2824a0c7956c6d3e86bc3b599b19f2eb9c2136949bda71de8e4a5009b49d

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a malicious DOCX document containing VBA macros. The critical ClamAV detection and high-severity heuristics indicate that the Document_Open macro is designed to execute code via CreateObject. This functionality, combined with the presence of VBA macros, strongly suggests the document is a downloader. No specific family could be identified, but the attack pattern is consistent with macro-based malware delivery.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9785156-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9785156-0
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` `5aa3aad97a35a46de04017100e8aadce01daec323c971d220dcadfd4335841c1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18882 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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