Office (OLE) malware analysis — malicious · d158c12fc84bc1da

MALICIOUS

Office (OLE)

87.0 KB Created: 2010-05-21 11:17:00 Authoring application: Microsoft Word 11.0

MD5: fb2204a35207d92bd21acd284f2839f8 SHA-1: 1c3de48b5cf30ca14838f8436012334d3c3bc854 SHA-256: d158c12fc84bc1da12fa0a95985626e0ec9370073f0bca29c64c47450f4ffd09

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Thus-8. Static analysis detected VBA macros, specifically a Document_Open macro, indicating that the document is designed to execute malicious code upon opening. The document body content appears to be unrelated narrative text, likely a lure.

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` `500270f3a284952d9bb6e41e0079736373b976363f66b70dc216f05998162843`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2394 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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