Office (OLE) / .DOC malware analysis — malicious · 9e9a817ede4fcb85

MALICIOUS

Office (OLE) / .DOC

35.5 KB Created: 2010-04-19 23:09:00 Authoring application: Microsoft Word 11.5.6

MD5: 6996418437510a7506a4ac13956c444c SHA-1: 18c9a077b4800a45c0735b293802012f38529126 SHA-256: 9e9a817ede4fcb859876014c8966f319dcd5ae912b9dc0d850613d150f582ad4

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro. ClamAV detections indicate it is a Trojan. The document body is blank, suggesting the malicious functionality is entirely within the VBA code. No specific IOCs were extracted, but the presence of a Document_Open macro strongly suggests an attempt to execute malicious code upon opening the document.

Heuristics 4

ClamAV: Doc.Trojan.Marker-40 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Marker-40
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `fc6a8253ba9918062d7c3504f65640589360d62588f24199c6ed16fae715ffec`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	4245 bytes
Detection ClamAV: Doc.Trojan.Marker-2 Obfuscation or payload: unlikely

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