SUSPICIOUS
40
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1566.001 Spearphishing Attachment
The file is an Excel document containing VBA macros, with a high-confidence detection for an Auto_Open macro that uses CreateObject to execute code. The auto_open subroutine attempts to create a file named VERA.XLS in the application's startup path, suggesting an attempt to establish persistence or download a second-stage payload. The script's functionality is partially truncated, but the initial indicators point towards a macro-based downloader.
Heuristics 5
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Auto_Open macro high OLE_VBA_AUTOAuto_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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VBA macros detected medium OLE_VBA_MACROSDocument contains VBA macro code
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Macro capabilities present but unconfirmed info MACRO_CAPABILITY_UNCORROBORATEDThe document's VBA exposes execution capabilities (Shell/WScript/CreateObject/auto-exec) but nothing corroborates malicious intent — no obfuscation, memory-exec primitive, download+exec chain, encoded payload, LOLBin, DDE, AV hit, or suspicious URL. The verdict was capped at 'suspicious' so legitimate macro-heavy business documents are not flagged malicious on capability presence alone.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.basa6927fc1257cb52821c278bc8481c9c43e7fda7662c9731ddade9c75729c96cd |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 2650 bytes |
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