Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 7f761d76ab6ca496…

MALICIOUS

Office (OLE) / .XLS

295.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 44b24269957ad5134d147459feb48660 SHA-1: 735512c5c5fc63314effae7aa1712366038c9e93 SHA-256: 7f761d76ab6ca496830a48fc630d6cd16fedac7625d89051fc31064a5ced3f68
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The sample is an Excel 4.0 macro-enabled spreadsheet (XLM) that contains an Auto_Open macro. This macro likely executes a dangerous function such as RUN, which is used to launch external executables. The embedded URL and the presence of a potential executable path in the document body suggest that the macro is designed to download and execute a second-stage payload. The ClamAV detection name 'Doc.Downloader' further supports this conclusion.

Heuristics 4

  • ClamAV: Doc.Downloader.Docusign0521-9864805-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Docusign0521-9864805-0
  • 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 https://drmariepappas.com/drpepper/coladas.php�
    • https://drmariepappas.com/drpepper/coladas.php

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
xlm_macros.txt
3e425007214646743a3e61764ed3febef72e2eff209c4c7673da5eb96971ea1a
xlm-macro oletools.olevba.extract_all_macros (XLM macro listing) 4736 bytes