Office (OLE) / .DOCX malware analysis — malicious · 277220212fc1ef9c

MALICIOUS

Office (OLE) / .DOCX

160.5 KB Created: 2020-09-23 12:48:00 Authoring application: Microsoft Office Word

MD5: b06b106339b2cb2d4ea55c1515b54625 SHA-1: d3f20164c37ad31be83d9014fbbede54659b19ff SHA-256: 277220212fc1ef9ce5d23eb9119ef5ae1ee506f73655d199dcf02b9f9a7995c6

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file is a Microsoft Office document containing VBA macros, specifically a Document_Open macro that utilizes CreateObject. This indicates an automated execution upon opening. The presence of the 'Doc.Downloader.Generic-9765533-0' ClamAV detection strongly suggests its function as a downloader for further malicious content. The document body content is not informative, but the macro behavior is clear.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9765533-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9765533-0
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` `b40b6439e0e94acfcf6292a727f89f3b7b0e2a6faeddd230541e1164d0603753`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19346 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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