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

Static analysis result for SHA-256 6da711a4609e6f4f…

MALICIOUS

Office (OLE) / .DOC

199.7 KB Created: 2020-09-21 15:38:00 Authoring application: Microsoft Office Word
MD5: b1979122abad564e17cc06e0eee7eeb9 SHA-1: 43760f9685ad255854fe7b80e6daebeccea6e882 SHA-256: 6da711a4609e6f4f6d6bfb5368b72739f1f855dbe340115bea811ab2adf1d8bc
242 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1204.002 Malicious File

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for malware delivery. The script uses CreateObject and GetObject calls, indicating an attempt to manipulate the system or download additional content. The ClamAV detection as 'Doc.Downloader.Generic' further supports the conclusion that this document is designed to download and execute a secondary payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Generic-9764611-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9764611-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
5d7bb4a979a8044f246ba5c84f189375b54b56efdae346456cb14e1498096bdd		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19055 bytes

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