MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1546.003 Event Triggered Execution: Windows Management Instrumentation Event Subscription
The file is an Excel spreadsheet containing VBA macros. The Workbook_Open macro is present and configured to execute automatically when the workbook is opened. This macro utilizes CreateObject, a common technique for launching malicious payloads. The presence of a Workbook_Open macro that executes VBA code via CreateObject strongly suggests an automated malicious execution flow, likely intended to download and execute a secondary payload or perform other harmful actions.
Heuristics 5
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Workbook_Open macro high OLE_VBA_WBOPENWorkbook_Open macro
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CreateObject call high OLE_VBA_CREATEOBJCreateObject call
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VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXECCompiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
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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.basc01feb45ab03f0bccfd32a97866ea856747573e4155970b69b6a477e5e0cc2d3 |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 2204 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved macro source contains an auto-exec entry point and execution/download terms.
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