MALICIOUS
80
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic for Applications
T1204.002 Malicious File
The sample is an Excel 4.0 (XLM) macro sheet that contains an Auto_Open macro. The document body contains text that appears to be an attempt to obfuscate the macro's functionality, including references to downloading a file from 'http://matterandhome.com/twtao/222222.png' and saving it to 'C:\ProgramData\Triol'. The presence of dangerous formula APIs in the XLM macro and the instruction to enable macros strongly suggest a malicious intent to download and execute a second-stage payload.
Heuristics 4
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XLM Auto_Open with dangerous formula APIs high OLE_XLM_DANGEROUS_FNExcel 4.0 macro sheet contains an Auto_Open / Auto_Close entry and dangerous XLM formula APIs that can invoke programs, write files, or transfer control without VBA.
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Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPENWorkbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.
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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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://matterandhome.com/twtao/222222.png�
- http://matterandhome.com/twtao/222222.png
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
xlm_macros.txtb85a04030ee15a5823afbe8a5c58782f7c760714b2f75fcf902d376138ea1320 |
xlm-macro | oletools.olevba.extract_all_macros (XLM macro listing) | 2772 bytes |
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