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

Static analysis result for SHA-256 ca8483fd7e5c3bac…

MALICIOUS

Office (OLE) / .DOC

92.1 KB Created: 2021-01-13 09:23:00 Authoring application: Microsoft Office Word
MD5: 1ee6f80f80acc28061994c6a037c243e SHA-1: 2efea2e00a86e81b45f6596904536796acc44820 SHA-256: ca8483fd7e5c3bacd37c04d27771f57919387db1e42e9f17d95cd5eb66faa9f6
180 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 is automatically executed upon opening, as indicated by the Document_Open heuristic. The macro uses CreateObject to likely download and execute a second-stage payload. No specific family could be identified, and no direct IOCs like URLs or hashes were extracted from the document body or scripts.

Heuristics 6

  • 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
cc3f4492fc93f146485c14b8de2664a2001b1a634c1ce3142c31dd3ea16e31f3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10816 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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