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

Static analysis result for SHA-256 693f393b73fba154…

MALICIOUS

Office (OLE) / .DOC

154.0 KB Created: 2020-09-14 17:52:00 Authoring application: Microsoft Office Word
MD5: 7667821fca47acbe5d63f426d874b8d4 SHA-1: d3372e3849ffb369c559968c2fb83a8b90197b0d SHA-256: 693f393b73fba1545bbfed68995e08a5501d14fbb9904c4411e27245b75aef91
202 Risk Score

Malware Insights

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

The sample is a malicious Office document containing VBA macros. The 'Document_Open' macro is present and configured to execute, indicating an attempt to run malicious code upon opening. The macro uses 'CreateObject' and appears to be heavily obfuscated, suggesting it's designed to download and execute a secondary payload. No specific family could be identified due to the obfuscation.

Heuristics 6

  • ClamAV: Doc.Malware.Generic-9760287-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Generic-9760287-0
  • 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
1c1ac6d8019d3317e1fd9360b916f40afe347161c1d653ef40242d0284d5107c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18510 bytes

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