Office (OLE) / .DOCX malware analysis — malicious · 864d0a9fffea983e

MALICIOUS

Office (OLE) / .DOCX

178.5 KB Created: 2020-10-22 10:11:00 Authoring application: Microsoft Office Word

MD5: 4b620f4bf8ad2ee49d64a9606fc98244 SHA-1: 252a106384ebfe00caaf1652fd1d7ab718c09275 SHA-256: 864d0a9fffea983ef2c1137ddb09a42b8bb880017d0359af9c5758b250bcca9f

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample contains a Document_Open VBA macro that utilizes CreateObject, indicating an attempt to execute code. The ClamAV detection 'Doc.Downloader.Logan-9781905-0' strongly suggests this is a downloader. The embedded URL, though benign according to reputation, is part of the document's structure and was flagged. The obfuscated document body text does not provide further context on the lure.

Heuristics 7

ClamAV: Doc.Downloader.Logan-9781905-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Logan-9781905-0
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` `f977b274eae3d98ca756a10910ec7f42c1a29b087c225685f92a2f289133a3d9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18827 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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