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

Static analysis result for SHA-256 f442280e58662778…

MALICIOUS

Office (OLE) / .DOC

138.5 KB
MD5: 8fa2dc1a6bc3d9aa7a2cbaa8051c0955 SHA-1: 55f64ea3f3b84e35da3e7f70e3840bc06c473b9c SHA-256: f442280e58662778bb17450a783ccd913b27e07eb68fb7ee469bba975e73f3ca
180 Risk Score

Malware Insights

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

The sample contains a Document_Open VBA macro, which is a common technique for initial execution. The macro utilizes CreateObject and p-code auto-execution, strongly indicating it's designed to download and execute a second-stage payload. The embedded URL, though benign in reputation, is likely a placeholder or part of the delivery mechanism.

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
b718fdee7d124fc38f344a5b14edf095da2ab77f1d998bda5cfeef854e88a89a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 11174 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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