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

Static analysis result for SHA-256 b3fa756ea7d5eb48…

MALICIOUS

Office (OLE) / .PPT

72.5 KB Created: 2021-04-11 16:32:51 Authoring application: Microsoft Office PowerPoint
MD5: 6ff964da370baa7921f68db9a8759a12 SHA-1: 4509094a0fe5b3847fbb31fe26df77af1d2fff97 SHA-256: b3fa756ea7d5eb48c679ac6e1dfae0c05bf40ddad435d3ba81887b3894db7fa1
140 Risk Score

Malware Insights

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

The sample is a PowerPoint file containing a VBA macro. The Auto_Close macro is triggered, which uses GetObject to execute arbitrary code. This indicates a macro-based attack designed to run malicious code when the document is opened. No specific family could be identified.

Heuristics 4

  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close macro
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
70383a3fe78e4c9f9d4b52606b2dca7c3b46ebc8d10d0f5be822daee65f27d3a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1739 bytes

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