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

Static analysis result for SHA-256 7df71a638ddb9614…

MALICIOUS

Office (OLE) / .DOCX

194.0 KB Created: 2020-10-22 20:29:00 Authoring application: Microsoft Office Word
MD5: 86e30b4175703dcf625e0c215f9f9291 SHA-1: d9c2129ce8419d17140368249688fb2ee2b557d4 SHA-256: 7df71a638ddb96143a97778fcc28b8a4730001b82ef2c0ba7eff33a580b58023
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample is a malicious Office document containing VBA macros, specifically a Document_Open macro that uses CreateObject. The ClamAV heuristic identifies it as a downloader, and the VBA code, though obfuscated, suggests it is designed to download and execute a second-stage payload. The embedded URL, while benign, is noted as present.

Heuristics 6

  • ClamAV: Doc.Downloader.Logan-9781905-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Logan-9781905-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
9ca879422c3203043eb02bf7332bfccca42d062c85606acaa47b14db718d1f57		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 22796 bytes

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