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

Static analysis result for SHA-256 5bedd1bd49428eb3…

MALICIOUS

Office (OLE) / .DOC

199.1 KB Created: 2020-09-21 06:43:00 Authoring application: Microsoft Office Word
MD5: 5c2ccfa30d52e21988f0c5b2e3ca0ec6 SHA-1: 9c645ba0853bda5782e93fc47ef530944c0d55f6 SHA-256: 5bedd1bd49428eb332691f84c0cf3e296da4542a63fdce6e8bc3fe8d378e6bc6
242 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample is a malicious Office document containing VBA macros. The 'Document_Open' macro is present and configured to execute automatically, indicating an attempt to run malicious code upon opening. The presence of 'CreateObject' and 'GetObject' calls further suggests the execution of arbitrary code. ClamAV also flagged this as a downloader.

Heuristics 7

  • ClamAV: Doc.Downloader.Generic-9764468-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9764468-0
  • 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
7169cbbf5de322d778ca9a77dc58bcf8bb22a6f6d4bfec64dbfa06bc63509b99		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19229 bytes

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