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

Static analysis result for SHA-256 f1be5cd2a0da607e…

MALICIOUS

Office (OLE) / .XLS

43.5 KB Created: 2020-11-17 08:47:11 Authoring application: Microsoft Excel
MD5: d9d41e81101162fcfbaae7e89841eb9d SHA-1: 77304a30cf1c2e6902d3b8ae836354d0c7928af4 SHA-256: f1be5cd2a0da607e49461958f1a9144d52e50963b75c12dce05262a86e03e32c
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications

The file is an Excel spreadsheet containing VBA macros, which is a common delivery mechanism for malware. The ClamAV detection and the presence of embedded VBA macros strongly suggest malicious intent. The macros are likely responsible for downloading and executing a second-stage payload, although the specific details are obfuscated.

Heuristics 2

  • ClamAV: Xls.Malware.Mrhl-9774585-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Malware.Mrhl-9774585-0
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
c0a5c8465c8feec6f3c7d4b7499d02b7cde56012dad366ff01586cdda6a770af		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1300 bytes

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