Office (OLE) / .DOC malware analysis — malicious · 4ad5ef24566ce78c

MALICIOUS

Office (OLE) / .DOC

63.5 KB Created: 2010-01-09 02:14:00 Authoring application: Microsoft Office Word

MD5: 3817249f8541e0237d941d681b8fccc6 SHA-1: 3ec48484477df635ffb62644a8baa3acddff7431 SHA-256: 4ad5ef24566ce78cabfd04576f14eb5cdb252fba20650a193ca55a3dce584efd

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a Microsoft Word document containing a VBA macro, specifically a Document_Open macro, which is a common technique for initial execution. The ClamAV detection 'Doc.Trojan.Xaler-1' strongly indicates malicious intent. The macro's presence and the critical heuristic firings suggest it is designed to download and execute a secondary payload, aligning with common malware delivery tactics.

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` `d00908a4f6b9023efa23b9f0af4d09fbba0f5aecd4e0a813ddf5b50cf8e1ba8e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2663 bytes
Detection ClamAV: Doc.Trojan.Xaler-1 Obfuscation or payload: unlikely

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