Office (OLE) / .DOCX malware analysis — malicious · 6d05fd0835601d3f

MALICIOUS

Office (OLE) / .DOCX

156.0 KB Created: 2020-09-14 19:47:00 Authoring application: Microsoft Office Word

MD5: 006d4ffe5630ae13fd54fc522e2a9037 SHA-1: 8cb905d9ab7a48fb182f48a92b7225a2394746d2 SHA-256: 6d05fd0835601d3f58f7c6d342cd98e5fe3a9f4a1c2ccbc91fa80fb44c61eec9

202 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a Microsoft Office document containing VBA macros, specifically a Document_Open macro that uses CreateObject. This indicates an attempt to execute malicious code when the document is opened. The presence of the 'macros.bas' artifact and the ClamAV detection strongly suggest malicious intent, likely to download and execute a second-stage payload. The specific VBA code is obfuscated, preventing a more detailed analysis of its exact actions.

Heuristics 6

ClamAV: Doc.Malware.Generic-9760307-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Generic-9760307-0
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.
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` `0b6180fea2f2eb783f5bda16a3b3f9aadc8aaa21f7b3f16e95bf573cb2bafb66`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18514 bytes

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