Office (OLE) / .DOC malware analysis — malicious · bfb5589c4f6c80a9

MALICIOUS

Office (OLE) / .DOC

133.0 KB Created: 2010-01-05 14:33:00 Authoring application: Microsoft Word 11.5.6

MD5: 5e0882f83b51da4bf4d81be3edfd470b SHA-1: 466665ae45d09503e9386e6fd13aa7d2ba24facb SHA-256: bfb5589c4f6c80a99203205a5e7fd2bc0f51891d43ed2c3e56f29725d175f35c

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The file is a Microsoft Word document containing VBA macros, as indicated by the OLE_VBA_MACROS and OLE_VBA_DOCOPEN heuristics. The presence of a 'macros.bas' file and the ClamAV detection (Doc.Trojan.Thus-8) strongly suggest malicious intent. The Document_Open macro is likely responsible for executing the malicious code, which could involve downloading a second-stage payload.

Heuristics 5

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
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www.apple.com/DTDs/PropertyList-1.0.dtd

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `7ebf852336c95822ed532cf2756fa3a348707b6a1e428f04999e46bc4a162b6e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2323 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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