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

Static analysis result for SHA-256 48f21be83af5c6c8…

MALICIOUS

Office (OLE) / .DOC

586.5 KB Created: 2022-02-07 08:37:00 Authoring application: Microsoft Office Word
MD5: 9fecd743f496146fc3af5cdddeaa7a0c SHA-1: ef9fb2320a80eb0eeefee753c6a24b8f749eebf9 SHA-256: 48f21be83af5c6c8e377c9da28e9dc90141d887a0f307be7f197d435292d3de2
62 Risk Score

Malware Insights

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

The sample contains a malicious VBA macro that executes upon opening the document. The macro attempts to create a directory if it doesn't exist and then opens a password-protected document. The macro reconstructs the URL 'http://kukumar1s.ru/p.doc' and uses a hardcoded password '44' to open the document, indicating a likely phishing or credential harvesting attempt. The presence of the Document_Open macro and the obfuscated string concatenation for the URL are strong indicators of malicious intent.

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

Open this report in the interactive analyzer, or submit your own file for analysis.