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

Static analysis result for SHA-256 953125a61fe3e151…

MALICIOUS

Office (OLE) / .DOCX

586.5 KB Created: 2022-02-07 08:39:00 Authoring application: Microsoft Office Word
MD5: e21a901ab28262499e84841ffd3b658f SHA-1: 1e8eac7bca002646c64e3d89cf51abab1edcf9e4 SHA-256: 953125a61fe3e151fc1dc15b7dec20c1285bb08b0aafeecef3eb6159f19aa366
62 Risk Score

Malware Insights

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

The sample contains a VBA macro that executes upon opening the document. The macro attempts to create a directory if it does not exist and then opens a password-protected document. The macro constructs the URL 'kukumar1s.r' and concatenates strings to form 'http://' and 'docx' for the document opening process. This suggests a social engineering lure to trick the user into interacting with a malicious document.

Heuristics 3

  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open 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://schemas.openxmlformats.org/drawingml/2006/main
    • http://schemas.openxmlformats.org/officeDocument/2006/bibliography
    • http://schemas.openxmlformats.org/officeDocument/2006/customXml

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
6b5c1ee22f7e3179b00a2f7fc16299b597afa3cf93f9808506dec474f2d0e7aa		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1244 bytes

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