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

Static analysis result for SHA-256 ce5f44239303b0ec…

MALICIOUS

Office (OLE) / .DOC

172.0 KB Created: 2021-01-25 09:28:00 Authoring application: Microsoft Office Word
MD5: 2d225b026745690e5249c88a35fe5329 SHA-1: fefd86246288d59e37554d7869f8d577222c0235 SHA-256: ce5f44239303b0ecb0467dae5ba77af21d988aec718f1fbd347e067a8e4ae4c6
200 Risk Score

Malware Insights

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

The file is a malicious OLE document containing VBA macros. The 'Document_Open' macro is automatically executed, and the 'GetObject' call suggests it attempts to load and run external code. The ClamAV detection further confirms its malicious nature. The document body content is heavily obfuscated and does not provide clear user-facing lures.

Heuristics 6

  • ClamAV: Doc.Malware.Valyria-10034158-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Valyria-10034158-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
f3c1208957a8588b8a5352b63af9a94a87401fa2b1f98d6dafce63f68312781e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8529 bytes

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