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

Static analysis result for SHA-256 996c5f68583ed17d…

MALICIOUS

Office (OLE) / .DOCX

150.8 KB Created: 2020-09-24 10:05:00 Authoring application: Microsoft Office Word
MD5: 5d5ee643525dfe26a1d385d0a03d9655 SHA-1: a9367452429afaade57c2e2a73caff60dca42fff SHA-256: 996c5f68583ed17db8c022bb5f2a0d32eea5927e2df2343b19b79b40a16486ec
240 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1059.005 Visual Basic

The file contains a VBA macro that is automatically executed upon opening the document. This macro utilizes CreateObject to execute a PowerShell command. The obfuscated document body content appears to be a string of PowerShell commands. The ClamAV detection further confirms the malicious nature of the file.

Heuristics 7

  • ClamAV: Doc.Trojan.Agent-9765752-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Agent-9765752-0
  • 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
b39e572cf96864edb4f5c39daa3a8388f74111156690860ca53002be67bbf3ff		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20583 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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