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

Static analysis result for SHA-256 8fe6704ef51499b2…

MALICIOUS

Office (OLE) / .PPT

60.5 KB Created: 2020-04-12 18:56:40 Authoring application: Microsoft Office PowerPoint
MD5: a28e02a04f45e38e7642656098043afa SHA-1: 0def681b7dade6614929d4cd8de269c90b490b3e SHA-256: 8fe6704ef51499b232150d49d6394d0555b9bebf54d437c5512dee86ed71c01c
160 Risk Score

Malware Insights

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

The sample is a PowerPoint file containing VBA macros. The critical heuristic firing indicates a Shell() call within a VBA macro, specifically within the Auto_Close macro. This suggests the macro is designed to execute arbitrary commands when the presentation is closed. No specific IOCs like URLs or hashes were extracted, but the presence of the Shell() call is a strong indicator of malicious intent, likely to download and execute a second-stage payload.

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
474b79a3c82a6ce022b7b8c01610f88008bf6e7a63c538d5db616f27e7d49fa0		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 510 bytes

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