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

Static analysis result for SHA-256 aed97963af2e4156…

MALICIOUS

Office (OLE) / .XLS

36.5 KB Created: 2008-09-17 07:36:18 Authoring application: Microsoft Excel
MD5: e8c033e83055de3d878a6418e2bf5786 SHA-1: 4449cb4962d844a2c3a73f7c35c974aa9374b2ee SHA-256: aed97963af2e4156fedac367505e4e0d22549062e561e1e4537c399bad3cbf2b
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1566.001 Spearphishing Attachment

The file is an Excel spreadsheet containing VBA macros, specifically an Auto_Open macro which is designed to execute automatically when the document is opened. The document body contains a Korean message that warns of macro infection, likely a lure to encourage the user to enable macros. No specific malware family could be identified, and no further IOCs were extracted.

Heuristics 2

  • Auto_Open macro high OLE_VBA_AUTO
    Auto_Open macro
  • 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
86973af5fc04df5bea87a2a8cf2c4e09601aa74eb5969deff387981918d42bf6		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1962 bytes

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