Office (OLE) / .DOCX malware analysis — malicious · 94e08e3932fdbf68

MALICIOUS

Office (OLE) / .DOCX

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

MD5: 67783e7166c7e1c69e83886ac5a9f6da SHA-1: fa06fc70b18d571920a3cd7f10e7c096d6ef7970 SHA-256: 94e08e3932fdbf68dce59492d22219b9afc8c0effe79517e9d9ea943a40b369a

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a malicious DOCX document containing a VBA macro that automatically executes upon opening. The macro is designed to download and execute a second-stage payload, as indicated by the 'CreateObject' call and the 'Doc.Downloader.Generic' ClamAV detection. The presence of the 'macros.bas' file further supports this. The document body content is unreadable and does not provide further context.

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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