MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1566.001 Spearphishing Attachment
The sample is an Office document containing VBA macros, specifically a Document_Open macro, which is a common technique for malware execution. The heuristic firings and ClamAV detection strongly indicate malicious intent. The VBA code appears to be designed to ensure its persistence and potentially download further stages, although the full payload execution is truncated in the provided evidence.
Heuristics 5
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ClamAV: Doc.Trojan.Thus-8 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Trojan.Thus-8
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV 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.
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Document_Open macro high OLE_VBA_DOCOPENDocument_Open macro
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VBA macros detected medium OLE_VBA_MACROSDocument contains VBA macro code
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Embedded URL info EMBEDDED_URLOne 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://schemas.openxmlformats.org/drawingml/2006/main
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.basaf55229a1ada67e6b196c7ac73b9d803334581ae61bc0f450f03ba895097df20 |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 2372 bytes |
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Detection
ClamAV:
Doc.Trojan.Thus-8
Obfuscation or payload:
unlikely
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