Office (OLE) / .DOC malware analysis — malicious · 5624a566b50abe1f

MALICIOUS

Office (OLE) / .DOC

68.0 KB Created: 2009-11-16 07:25:00 Authoring application: Microsoft Word 9.0

MD5: 73ab4f242e1c69d64a5279010267061f SHA-1: 04b5b5cb704099dea0150cca740238b7cfbc5542 SHA-256: 5624a566b50abe1f9571da19f19bd5e61b7356464770b34c03798a0e37f186c5

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic for Applications T1204.002 Malicious File

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. ClamAV signatures identify it as 'Doc.Trojan.Xaler-1'. The document body appears to be a technical specification, likely a lure to trick the user into enabling macros. The presence of the Document_Open macro indicates the intent to execute malicious code upon opening the document, likely to download and execute a secondary payload.

Heuristics 4

ClamAV: Doc.Trojan.Xaler-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Xaler-1
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` `2458a77f549d43b85072d8fb7a9f006a67f7b172fde3c7ce62406419d4ef6361`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2779 bytes
Detection ClamAV: Doc.Trojan.Xaler-1 Obfuscation or payload: unlikely

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