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

Static analysis result for SHA-256 e1d063b28c176022…

MALICIOUS

Office (OLE) / .DOCX

30.5 KB Created: 2020-12-04 17:37:00 Authoring application: Microsoft Office Word
MD5: 9744ec57a92a9d722b9d22ce6cbb340e SHA-1: 5101634ef7976e61deca60b7eab0cf05e5596980 SHA-256: e1d063b28c17602209e003f423ad6c242c0ab1318634d06d69c0fff5b3ae557f
180 Risk Score

Malware Insights

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

The sample is a Microsoft Office document containing VBA macros. The presence of an AutoOpen macro and a CreateObject call indicates that the macro is designed to execute code upon opening. The heuristic 'VBA p-code auto-exec with execution tokens' further suggests that the macro attempts to run commands. While no specific payload URL or command was extracted, the overall pattern points to a macro-based downloader.

Heuristics 6

  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen 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
05da413b3add7021cc372fc585c0f935da66249837b96b32eaadf4805e30660c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1786 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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