MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1204.002 Malicious File
The sample is an Excel 4.0 spreadsheet containing an Auto_Open macro, a known technique for executing malicious code upon opening. The macro sheet contains references to dangerous functions like RUN, indicating it's designed to execute arbitrary commands. The document body contains multiple URLs that are likely used to download and execute a second-stage payload. The presence of the 'SE_ENABLE_LURE' heuristic further supports that the document attempts to trick the user into enabling macros.
Heuristics 4
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Excel 4.0 Auto_Open defined name critical OLE_XLM_AUTOOPEN_DEFINEDNAMEoletools recovered an Auto_Open / Auto_Close entry from an Excel 4.0 macro sheet. The raw BIFF name can be tokenized or partially opaque to byte-string checks, but the recovered macro listing confirms the workbook has an XLM auto-execution entry.
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XLM Auto_Open with dangerous formula APIs critical 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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
xlm_macros.txt917baaae0e48794e5eb73ae3d5cf93c43110b97da5df3e45bc2f236b5551c875 |
xlm-macro | oletools.olevba.extract_all_macros (XLM macro listing) | 27158 bytes |
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