MALICIOUS
240
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1059.003 Windows Command Shell
The sample is a Microsoft Word document containing VBA macros. Heuristics indicate the presence of VBA macros and a critical finding of the Shell() function being called within the VBA code. This suggests the document is designed to execute arbitrary commands. The embedded artifact 'macros.bas' is identified as a VBA macro, further supporting this. The document body, a Material Safety Data Sheet, appears to be a lure to disguise the malicious intent.
Heuristics 5
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Shell() call in VBA critical OLE_VBA_SHELLShell() call in VBA
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ClamAV: Doc.Trojan.Marker-1 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Trojan.Marker-1
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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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Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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VBA macros detected medium OLE_VBA_MACROSDocument contains VBA macro code
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.bascb4e40f0f7d6e81b7036ed4af8fe403e74ddcf7207d3e7bee85736df6c5aa44f |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 6312 bytes |
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Detection
ClamAV:
Doc.Trojan.Marker-1
Obfuscation or payload:
likely
Carved macro source contains an auto-exec entry point and execution/download terms.
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