MALICIOUS
260
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1566.001 Spearphishing Attachment
The file is an Excel document containing VBA macros, specifically triggering Auto_Open and Workbook_Open events. These macros are designed to execute code, likely to download and execute a second-stage payload. The presence of `ExecuteExcel4Macro` and the obfuscated registry-related constants suggest an attempt to establish persistence or further compromise the system. The document body, appearing as a school lunch menu, serves as a lure to disguise the malicious intent.
Heuristics 6
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ClamAV: Xls.Trojan.Divi-2 critical CLAMAV_DETECTIONClamAV detected this file as malware: Xls.Trojan.Divi-2
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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Workbook_Open macro high OLE_VBA_WBOPENWorkbook_Open macro
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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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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.bas19c4d7d7a262ec2c34f9d1068b8fc63956028c0dc19709c55a1ed4563a8d0356 |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 10320 bytes |
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Detection
ClamAV:
Xls.Trojan.Divi-2
Obfuscation or payload:
unlikely
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