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

Static analysis result for SHA-256 127353c7d341d225…

MALICIOUS

Office (OLE) / .DOCX

184.0 KB Created: 2020-10-22 06:54:00 Authoring application: Microsoft Office Word
MD5: f95db7bbd38c49ccd2cb1c4a849afede SHA-1: c6a3391813ccdcd9bb56fcdb9cc2ec600069ba1e SHA-256: 127353c7d341d225ae933e3004364c90041d7bac3b2117e33d648de2708447b5
202 Risk Score

Malware Insights

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

The file contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for initiating malicious actions. The presence of CreateObject calls further suggests the execution of arbitrary code. The ClamAV detection as 'Doc.Downloader.Logan-9781905-0' strongly indicates a downloader functionality, likely to fetch and execute a secondary payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Logan-9781905-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Logan-9781905-0
  • 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.
  • 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
9979b97c308d841b566985c48e8a84b999556c3e27641c5af6c36c44f3b0664e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18953 bytes

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