Office (OLE) / .DOC malware analysis — malicious · 9ddc0d2c07ec79a8

MALICIOUS

Office (OLE) / .DOC

50.0 KB Created: 2009-12-09 01:22:00 Authoring application: Microsoft Word 11.5.6

MD5: b96db0f94b096f0ff1abe5cc0dc91150 SHA-1: 1e7f83dd2f4407f0a834fc0670e7889255bafa22 SHA-256: 9ddc0d2c07ec79a8d50eee0c832c2ca1e593b03adb7498d93d09484c31133697

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 malicious VBA macro, specifically triggered by the Document_Open event. ClamAV detections indicate it is a trojan. While the document body contains resume-like text, the presence of the Document_Open macro and the ClamAV detections strongly suggest the macro is designed to download and execute a secondary payload, which is a common attack pattern for droppers and trojans.

Heuristics 4

ClamAV: Doc.Trojan.Marker-40 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Marker-40
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` `b71a64ea3cc25939c20b84e5ae4da8543fc14f81aa06992a983c669e14685787`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	4261 bytes
Detection ClamAV: Doc.Trojan.Marker-2 Obfuscation or payload: unlikely

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