Office (OLE) / .DOC malware analysis — malicious · d88f7966ddd69324

MALICIOUS

Office (OLE) / .DOC

51.5 KB Created: 2008-01-30 20:01:00 Authoring application: Microsoft Word 11.3.5

MD5: 6f553addea19e4dcb70124af7e723bd2 SHA-1: 74966a22768204c730966b5f7880740949e3e969 SHA-256: d88f7966ddd693249819003675d9580519cc3fea36d9dc1f6407dce0f1980767

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file is a malicious Microsoft Word document containing VBA macros, specifically a Document_Open macro. The document body presents a schedule, which is a common lure to encourage users to enable macros. The presence of a Document_Open macro indicates an attempt to execute code automatically upon opening the document. The ClamAV detections further confirm its malicious nature.

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` `a3a65389ed569bc5f1be0525d399659d0a5dc746b9c15c85d71fc18c599b79c0`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	4268 bytes
Detection ClamAV: Doc.Trojan.Marker-2 Obfuscation or payload: unlikely

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