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

Static analysis result for SHA-256 11b2ccd92da2aa04…

MALICIOUS

Office (OLE) / .DOC

189.9 KB Created: 2020-09-16 13:31:00 Authoring application: Microsoft Office Word
MD5: 2c6791519a688a1b5b7dd1025202bbab SHA-1: c5055af1be86cef45b0a6e434baa18aa66e6175c SHA-256: 11b2ccd92da2aa042d015bf4779df30a6ed5c4da928eda17fdbbe36e44d2eddc
202 Risk Score

Malware Insights

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

The sample is a malicious OLE document containing VBA macros, specifically a Document_Open macro that uses CreateObject. This indicates an attempt to execute arbitrary code. The ClamAV detection 'Doc.Malware.Sagent-9763180-0' further confirms its malicious nature. The VBA script is heavily obfuscated, but the presence of the Document_Open auto-execution macro and CreateObject calls strongly suggests it's designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Sagent-9763180-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Sagent-9763180-0
  • 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
943428383d59a7bfee81aa91bf70d39ee09bf12387df0f4a40fbe5ddc5ec0984		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21987 bytes

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