Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 45dcabb37e6b60a6…

MALICIOUS

Office (OLE)

139.5 KB Created: 1996-10-14 23:33:28 Authoring application: Microsoft Excel
MD5: 7806c142fb1638113881f1d630bf9e08 SHA-1: 4b5429d5b0fbaf92603654a3c989b2f6e3202773 SHA-256: 45dcabb37e6b60a6394968110742738ce79f66753ccb225023266a98fa6e9898
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.002 Spearphishing Attachment

The file is an Excel document containing a Workbook_Open macro, indicating it's designed to execute code upon opening. The presence of a Workbook_Open and Auto_Close macro, along with a high heuristic score for VBA macros, strongly suggests malicious intent. The embedded URL is likely used to download and execute a second-stage payload. The document body content appears to be test data for scripts, which is not directly indicative of the malicious payload's purpose but supports the macro-based execution vector.

Heuristics 4

  • Workbook_Open macro high OLE_VBA_WBOPEN
    Workbook_Open macro
  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close macro
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • 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://verbis-plone.vz.ba.de:8092/technischer-systemtest/fachlicher-systemtest/testdaten-1/testdatenreiter�

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
1d8314d0fff10c65d20208978aec72709e4ea132edae9b63b20e1a468395745b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 41272 bytes

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