Office (OLE) malware analysis — malicious · f9b8236445e1a7df

MALICIOUS

Office (OLE)

218.0 KB Created: 2008-08-07 22:38:00 Authoring application: Microsoft Word 10.1

MD5: 7decdc7891b2af63940e059b41047901 SHA-1: 5e6a710fba03524760d78b1553784855aa14366f SHA-256: f9b8236445e1a7df92effe35077eee081b41815cbe8fd89872c0c3e1ea9bf5a8

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is an Office document containing VBA macros, specifically a Document_Open macro, which is a common delivery mechanism for malware. The document body is formatted as a school syllabus, a social engineering tactic to encourage users to enable macros. The embedded URLs are likely used to download and execute a secondary payload. The ClamAV detection 'Doc.Trojan.Thus-8' further supports the malicious nature of the file.

Heuristics 5

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
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://cmweb.pvschools.net/~tswigart/welcome
- https://smspogb.pvschools.net/
- http://cmweb.pvschoo

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `7fc00c072a2d143f2176669597f1ff0cf43c86b4ffbfc8158a62caf856a9072e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2356 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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