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

Static analysis result for SHA-256 02503f6546f32015…

MALICIOUS

Office (OLE) / .DOC

160.1 KB Created: 2020-09-22 07:35:00 Authoring application: Microsoft Office Word
MD5: ee258684b0fd453e48c84b57327b8225 SHA-1: e3921f7d38b52ee18f289ef29057e1836cd9b504 SHA-256: 02503f6546f32015f98eb839efb8b3d86d56b8ab5de5a30b5d6e99b4bd41802d
242 Risk Score

Malware Insights

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for malware delivery. The heuristics indicate the use of CreateObject and GetObject, suggesting the macro is attempting to manipulate the system or download additional content. The ClamAV detection further confirms its malicious nature. The VBA code is heavily obfuscated, making it difficult to determine the exact payload, but the overall pattern suggests a downloader.

Heuristics 7

  • ClamAV: Doc.Malware.Ewtz-9765424-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Ewtz-9765424-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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
a112d95a2b3b8361e272604fc368010c1a607c2cd21f88c20a607d79b8ac6136		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16742 bytes

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