Office (OLE) / .DOCX malware analysis — malicious · 2ddd69d637bb813f

MALICIOUS

Office (OLE) / .DOCX

240.2 KB Created: 2020-10-29 04:25:00 Authoring application: Microsoft Office Word

MD5: 7ebcb7c68419f8c3419138412c19a77e SHA-1: c17ec2e9795ea2b407f99d6c15246ae8aa45b126 SHA-256: 2ddd69d637bb813f74ae33be71c1cf20fd61be5a25f0bd5e69c296136a8d1813

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file is a Microsoft Office document containing VBA macros. The presence of a 'Document_Open' macro and a 'CreateObject' call indicates that malicious code is designed to execute automatically when the document is opened. ClamAV detection as 'Doc.Downloader.Generic' further supports this, suggesting the macro's purpose is to download and execute a second-stage payload. No specific family could be identified, but the techniques used are common for initial infection vectors.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9785156-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9785156-0
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` `6946a447d4e81b55f46842d89fcb86ebdb7dd8c4ce560afbdde9533734f99d67`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18622 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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