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

Static analysis result for SHA-256 c9b4f67de9383ad6…

MALICIOUS

Office (OLE) / .PPT

185.5 KB Created: 2021-02-01 05:25:35 Authoring application: Microsoft Office PowerPoint
MD5: c5ba097389a7f7418ea7dd2b1f534887 SHA-1: ddad8a662fcce4a30faf0c4c53ab9db7419a8aa9 SHA-256: c9b4f67de9383ad6eca344cf2a4a893fb2ac973a86bda476e9a755ec6e3aa16f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell

The file is a PowerPoint presentation containing a significant amount of VBA macro code. Critical heuristics indicate the use of the Shell() function and an Auto_Close macro, suggesting that arbitrary code execution is intended upon opening or closing the document. The VBA macros are likely responsible for downloading and executing a secondary payload, although no specific URLs or commands were extracted from the provided evidence.

Heuristics 4

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close macro
  • 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
b67c8a9ea3f67f5f8cdb5ffc190b84f2ad55283b421c1c2a7d7527e24fd57174		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 118171 bytes

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