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

Static analysis result for SHA-256 a4e0bf4310658fe9…

MALICIOUS

Office (OLE) / .PPT

310.0 KB Created: 2021-02-14 19:38:49 Authoring application: Microsoft Office PowerPoint
MD5: 81eee0019d969e69d3a3f61a4c8046f0 SHA-1: 4d079853d17f2feb871ab22914692b7bc5f0f9bd SHA-256: a4e0bf4310658fe98bebd2e94fee706fe52079b3f02d52700a40317d3225b09d
160 Risk Score

Malware Insights

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

The sample is a PowerPoint file containing a VBA macro. The Auto_Close macro is configured to execute a command using the Shell() function, indicating it is designed to launch a secondary payload or perform malicious actions. The VBA p-code auto-execution with execution tokens further supports this. No specific family could be identified, and no external IOCs were extracted.

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
46806a7888cf3f35bc4869608e3ce081d4125e3d75309c37beef44e0a3d841e0		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 87711 bytes

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