Office (OLE) / .DOC malware analysis — malicious · 5057a8df5a57eb7d

MALICIOUS

Office (OLE) / .DOC

193.5 KB Created: 2020-04-09 12:29:51 Authoring application: Microsoft Excel

MD5: 1c75b0d21e8f1330f2dd463e1cfe16b7 SHA-1: e2fad6c687963bb33852e0a064ff28900659646d SHA-256: 5057a8df5a57eb7d6cfd09c69b1820744848822bb732da60c0895761f58e4360

60 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1059.003 Windows Command Shell

The sample is an Excel document containing Excel 4.0 macros, indicated by the OLE_XLM_AUTOOPEN and OLE_XLM_DANGEROUS_FN heuristics. The dangerous function 'RUN' was detected, suggesting the macro attempts to execute an external command or program. No document body text or scripts were extracted, limiting further analysis of the specific payload or delivery mechanism.

Heuristics 3

XLM Auto_Open with dangerous formula APIs high OLE_XLM_DANGEROUS_FN

Excel 4.0 macro sheet contains an Auto_Open / Auto_Close entry and dangerous XLM formula APIs that can invoke programs, write files, or transfer control without VBA.
Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPEN

Workbook 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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xap/1.0/
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.microsoft.com/photo/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`xlm_macros.txt` `4110dddf63965bd19023c56539b9e428a76c859eda293da651787463dd86479b`	xlm-macro	oletools.olevba.extract_all_macros (XLM macro listing)	21325 bytes

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