Office (OLE) malware analysis — malicious · f2ea5b63f11e1aa4

MALICIOUS

Office (OLE)

39.0 KB Created: 2003-03-26 09:25:00 Authoring application: Microsoft Word 9.0

MD5: 3a9e43764dfec7f45684468d98bc82f2 SHA-1: 8230c9c49acca8d7bcfa7eb6cc1d1e95b59dae6f SHA-256: f2ea5b63f11e1aa4b91997a3fc1d3ed2677be5084663e47c4aaa0e2fc7ab794a

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic for Applications T1566.001 Spearphishing Attachment

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. The document body presents as a business studies assignment, likely to trick the user into enabling macros. The presence of a Document_Open macro suggests the intent is to execute malicious code upon opening the document, potentially leading to further stages of infection.

Heuristics 4

ClamAV: Doc.Trojan.Thus-8 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Thus-8
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` `6499970e803f3eb169fec7a184757228dfeebf8e1895272e39822a7ea99a0b3a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2506 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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