Office (OLE) malware analysis — malicious · afbfdc05af2275b7

MALICIOUS

Office (OLE)

212.5 KB Created: 2008-11-18 09:22:00 Authoring application: Microsoft Word 11.3.8

MD5: f5b793f52bab119693cbd8caef7d3890 SHA-1: 3a51c87b3bd96bad3ea1958ee7824c56526f79b9 SHA-256: afbfdc05af2275b7c925a40cf00425a34efa2d0322207d2068c7ebbfd77f3f55

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The file is an Office document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. ClamAV detections indicate it is a known Trojan. The presence of VBA macros strongly suggests the intent is to download and execute a second-stage payload. No specific family could be identified, but the execution method is clear.

Heuristics 5

ClamAV: Doc.Trojan.Marker-40 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Marker-40
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.apple.com/DTDs/PropertyList-1.0.dtd

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `d41c9267beb7aeb9002f6cfedc0d926f627e1f4f0feade367b7ea63422dfcbca`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	4225 bytes
Detection ClamAV: Doc.Trojan.Marker-2 Obfuscation or payload: unlikely

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