Office (OLE) malware analysis — malicious · 9444d5d01f4ccaa6

MALICIOUS

Office (OLE)

69.5 KB Created: 2007-05-07 15:49:00 Authoring application: Microsoft Word 10.1

MD5: 80858e3e7855a216550f22408b7ef2d0 SHA-1: 0aa8079d3a183a4bc857bf32c7fc659ddc76aeb2 SHA-256: 9444d5d01f4ccaa67678ca2814c8f391655714dbe392c21cb075c0841e4cc9c2

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is an OLE document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. The ClamAV detection 'Doc.Trojan.Thus-8' further indicates malicious intent. The presence of the Document_Open macro suggests an attempt to automatically execute malicious code when the document is opened, likely to download and execute a second-stage payload.

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://www.iec.ch

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `f84020e182927bd8b4608ff677d30e53eb099baedcd2e80372db5ce36e05686e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2352 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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