Office (OLE) / .DOCX malware analysis — malicious · 247612fcda0c42b1

MALICIOUS

Office (OLE) / .DOCX

194.0 KB Created: 2020-10-22 20:29:00 Authoring application: Microsoft Office Word

MD5: 61275235f1750f49030777dffa0f59a9 SHA-1: 7c09e417eec66bad46e0c3fbada939de430c2167 SHA-256: 247612fcda0c42b16c95a6447a2c1fd50058e3b0795e129e46e5b9e4292da8b2

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate that this document contains and executes a malicious VBA macro. The macro's auto-execution via Document_Open and its use of CreateObject strongly suggest it is designed to download and execute a second-stage payload. The ClamAV signature 'Doc.Downloader.Logan-9781905-0' further supports this downloader functionality.

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` `9ca879422c3203043eb02bf7332bfccca42d062c85606acaa47b14db718d1f57`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	22796 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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