Office (OLE) malware analysis — malicious · ec9cd5a8a765c442

MALICIOUS

Office (OLE)

58.5 KB Created: 2001-04-03 17:12:00 Authoring application: Microsoft Word 8.0

MD5: 6e809ae06e4ff503fc5cb697e2f045a2 SHA-1: 7017b08c86fa5d915aa59a0ac06e8dbb52bf11f1 SHA-256: ec9cd5a8a765c442a9ad95ead5a95e1aa1151661f148021354d3c3939d9cc0e1

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The file is an OLE document containing VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening. ClamAV signatures identify it as 'Doc.Trojan.Thus-8'. The document body discusses a contract addendum for state airports, suggesting a lure to engage the reader with a seemingly legitimate but potentially deceptive topic. The presence of the Document_Open macro indicates the intent to execute malicious actions immediately upon file opening, likely to download or execute further payloads.

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` `f04596dcb191cca7aea3cd7dcdb72e2679a1b2cec6d2d19c2be673fbb8f2c351`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2471 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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