Office (OLE) / .DOCX malware analysis — malicious · de9a57408a1c753a

MALICIOUS

Office (OLE) / .DOCX

180.3 KB Created: 2020-09-18 08:59:00 Authoring application: Microsoft Office Word

MD5: 72d4b75db25ee3d59d7f2bc8ad2804dd SHA-1: 057bcf06ee87a1ed02fa2545f6c1618dc04e0d6e SHA-256: de9a57408a1c753a7cabc64d88c3922102c9be764e0192253e638b4c332f3da9

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate that this document contains malicious VBA macros designed to execute automatically. The presence of a Document_Open macro and CreateObject calls strongly suggests the macro attempts to download and execute a secondary payload. The embedded URL, though benign, is noted.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9763419-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9763419-0
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` `2cacffa870bc163e0d80063dbad890b2628b581c624e40730ba57a6c44f2b3d2`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20834 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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