Office (OLE) / .DOCX malware analysis — malicious · 0f8726a2e1ed3111

MALICIOUS

Office (OLE) / .DOCX

194.5 KB Created: 2020-09-18 21:15:00 Authoring application: Microsoft Office Word

MD5: e9e9999e7435d5b07dc219787443d3c8 SHA-1: f33a3365c8136df116cde7083b19fa23f2225078 SHA-256: 0f8726a2e1ed31116d9cf065548921ba480bafb9467bbbccc96ec094859734e7

202 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing VBA macros. The 'Document_open' macro, combined with a 'CreateObject' call, indicates an attempt to execute code. The ClamAV detection 'Doc.Downloader.Generic' strongly suggests the macro's purpose is to download and execute a secondary payload.

Heuristics 6

ClamAV: Doc.Downloader.Generic-9763611-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9763611-0
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` `27aa07f405fa9b3280133cc26ba8fa4c11df7235c7ef1a37f33a0286291c2144`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19156 bytes

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