MALICIOUS
200
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1059.001 PowerShell
T1204.002 Malicious File
The file is an Excel spreadsheet containing a VBA macro with an Auto_Open function. This function utilizes a Shell() call, indicating an attempt to execute external commands. The script appears to be designed to download and execute a second-stage payload, though the exact details are obfuscated and truncated. The presence of an Auto_Open macro and a Shell() call strongly suggests a malicious intent to compromise the user's system.
Heuristics 5
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Shell() call in VBA critical OLE_VBA_SHELLShell() call in VBA
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Auto_Open macro high OLE_VBA_AUTOAuto_Open macro
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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.bas592008b4dad11f2d50f44f1b0a8e9138fedeedfda41278b46c55e0f904f9d4fd |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 3477 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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