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

Static analysis result for SHA-256 a172322135f760ce…

MALICIOUS

Office (OLE) / .DOCX

175.3 KB Created: 2020-09-28 21:56:00 Authoring application: Microsoft Office Word
MD5: 0ee9f8105e796949e0c447cf27cf8691 SHA-1: 0bc20cb123ddebfbad91e361d1f0b846832e6ae4 SHA-256: a172322135f760ced398ed29bdc125263aa20fd42391c0ff1db2c8d29a9fd5ca
240 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file contains a malicious VBA macro that automatically executes upon opening, as indicated by the 'Document_Open' macro and 'CreateObject' call heuristics. This macro is designed to execute arbitrary code, likely to download and run a second-stage payload. The ClamAV detection further confirms its malicious nature.

Heuristics 7

  • ClamAV: Doc.Malware.Generic-9769001-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Generic-9769001-0
  • 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
fe19635e7383e285d173bce1f5bbd9867258f7974e3830e10aecb187a337391c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6691 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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