Office (OLE) / .DOC malware analysis — malicious · cce2632901e8ba9f

MALICIOUS

Office (OLE) / .DOC

369.0 KB Created: 2010-05-24 13:13:00 Authoring application: Microsoft Word 11.3

MD5: 7b570f536ab17e61e706d34e54a80d98 SHA-1: a081459790a0a11efa31bf5cb5e6fd57c970acfe SHA-256: cce2632901e8ba9fa2612a74435f0bea2db74681f863cd6bd79441cd079979b4

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, which is a common technique for initial execution. ClamAV signatures indicate it is a known trojan. The document body presents rules for a rib cook-off contest, likely a lure to encourage users to enable macros. The Document_Open macro is designed to execute malicious code upon opening the document.

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` `39d83093e667f2b83073b5c30b2f83cc93b0c9085bc8b949e9fb6fcf798dcc53`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2378 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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