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

Static analysis result for SHA-256 29721d2110ed64d2…

MALICIOUS

Office (OLE) / .DOC

48.0 KB Created: 2024-12-04 09:39:00 Authoring application: Microsoft Office Word
MD5: d0ada04c1b8cfc4c6a0618d5d6c9a346 SHA-1: cb8450af21d627d9e21d7d60331ea63abe1616f1 SHA-256: 29721d2110ed64d24ab30e34bd736c56a39fd0427a2f3099fcacbc2d6a5167e9
340 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1059 Command and Scripting Interpreter T1204.002 Malicious File

The sample is a malicious OLE document containing a VBA macro. The Document_Open macro is configured to execute automatically upon opening the document, leveraging WScript.Shell to run commands. This indicates the macro is designed to download and execute a second-stage payload.

Heuristics 9

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • 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
ca7d1bcfb170bcb166aecd2fdafe7e9566d673696a93fe274370f11444031c17		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 27214 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 shell/COM execution token(s). Carved macro source contains an auto-exec entry point and execution/download terms.

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