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

Static analysis result for SHA-256 ab30c1b38455ed3b…

MALICIOUS

Office (OLE) / .DOC

73.5 KB
MD5: 1d100ab328350fdcbfddf7c36819b79c SHA-1: 12c928e9530f7e00a9269c96c61dfb2f8588615c SHA-256: ab30c1b38455ed3b11d9531e1fb4b4dbddb9961b0dceb4622f754eeab669aa08
222 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File T1059.003 Windows Command Shell

The critical heuristic 'OLE_VBA_SHELL' and the presence of a 'document_open' macro indicate malicious intent. The VBA script within 'macros.bas' explicitly calls the Shell function to execute 'c:\programdata\coreProc.hta', which is likely a second-stage payload. The ClamAV detection further confirms the malicious nature of the file.

Heuristics 6

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Multios.Malware.Agent-9964007-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Multios.Malware.Agent-9964007-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • 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.microsoft.com/aml/2001/core
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.microsoft.com/office/word/2003/wordml
    • http://schemas.microsoft.com/office/word/2003/auxHint
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2003/wordml/sp2
    • http://schemas.microsoft.com/schemaLibrary/2003/core

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
f4f6ecdbc87bcf3eebe738cf2c609837349ca1e6778e6b4dbaa7e1b9633be5e4		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1084 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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