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

Static analysis result for SHA-256 185c5077925dcc85…

MALICIOUS

Office (OLE) / .DOC

163.5 KB Created: 2020-09-17 22:39:00 Authoring application: Microsoft Office Word
MD5: 5a01b7084d541baf60fff1183589b991 SHA-1: dd6c61ea50cfda8ac523b9586bb595953c8152c9 SHA-256: 185c5077925dcc85bb23daf2fd05b74f228f7c254bf6521edd06a123f4c218d7
202 Risk Score

Malware Insights

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

The sample is a malicious Microsoft Word document containing VBA macros. The 'Document_open' macro is present and configured to execute upon opening, indicating an attempt to run malicious code. The presence of 'CreateObject' and p-code auto-execution further suggests the macro is designed to download and execute a secondary payload. The ClamAV detection also confirms its malicious nature as a downloader.

Heuristics 6

  • ClamAV: Doc.Downloader.Generic-9763145-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9763145-0
  • 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
1e2a7d06314ac88dde2877d244d6ca5e91533ec592ad1318aa4aab91c451ca9e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21979 bytes

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