MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The presence of a Workbook_Open macro, coupled with a CreateObject call and VBA p-code auto-execution, strongly suggests that this Excel file is designed to automatically run malicious code upon opening. This code likely downloads and executes a second-stage payload, a common technique for initial access and further infection. No specific family could be identified, but the delivery method is typical of macro-based malware.
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.basdc34f1c1ec25200e7457aa9b099b7a5606e5deaea9ee99c922fba5415f1d7af2 |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 4737 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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