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

Static analysis result for SHA-256 0652ccbe39403ce0…

MALICIOUS

Office (OLE) / .DOC

154.2 KB Created: 2020-09-14 17:52:00 Authoring application: Microsoft Office Word
MD5: 76bfe0a1d144c3eb6f9eb5c1ad1981ea SHA-1: 222ec4e4819fb17fba3e9386167ab71981c7f5cb SHA-256: 0652ccbe39403ce0a719d26d57155d72e04ef355cf1d151799daec8d9a57edeb
202 Risk Score

Malware Insights

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

The sample is a malicious OLE document containing VBA macros. The 'Document_open' macro is present and utilizes 'CreateObject', indicating an attempt to execute code. The ClamAV detection further supports its malicious nature. The VBA code appears to be obfuscated, but the presence of these elements strongly suggests it's designed to download and execute a secondary payload.

Heuristics 6

  • ClamAV: Doc.Malware.Generic-9760287-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Generic-9760287-0
  • 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
1c1ac6d8019d3317e1fd9360b916f40afe347161c1d653ef40242d0284d5107c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18510 bytes

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