Office (OLE) / .DOC malware analysis — malicious · d9a9d07da3a104a0

MALICIOUS

Office (OLE) / .DOC

37.5 KB Created: 2010-09-20 01:30:00 Authoring application: Microsoft Word 11.5.5

MD5: a39042d216ee12fff133c27ba372e84a SHA-1: 4f5bf2f1ac12a6b746c15b4543d84d1644cdfaee SHA-256: d9a9d07da3a104a082d8d5463cbea3de995732e1c97fbac8fe1c0687908ec077

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro. This macro is designed to execute automatically when the document is opened, indicating a malicious intent to run arbitrary code. The ClamAV detection as 'Doc.Trojan.Thus-8' further supports its malicious nature. No specific IOCs like URLs or hashes were extracted from the macro content itself.

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` `e740794a412f9397d0507cbdaed2702779d4e217ac4829e198ede5846d5df063`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2357 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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