Office (OLE) / .DOCX malware analysis — malicious · 1deb4e6a6641ebc6

MALICIOUS

Office (OLE) / .DOCX

158.8 KB Created: 2020-09-23 21:57:00 Authoring application: Microsoft Office Word

MD5: 13aa9d722fb57a0bfa436d26d1b5e2df SHA-1: c5083e539865b3131377946a9009d1c2cb02ff57 SHA-256: 1deb4e6a6641ebc64dead1bca39705a6df4d32fd478c574303dd3a17370cd84f

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics indicate this is a malicious document. Specifically, the presence of a Document_Open macro that uses CreateObject and p-code auto-execution strongly suggests it's designed to download and execute a second-stage payload. The embedded URL, although benign, is noted as part of the document's structure.

Heuristics 7

ClamAV: Doc.Downloader.Mryv-9765643-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Mryv-9765643-0
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` `d7dd2a73d7d39dc729b85cfde71706f8b2534ea5cd633d43e9c623fb8097a814`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20294 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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