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

Static analysis result for SHA-256 b313d4b7f0c23f78…

MALICIOUS

Office (OLE) / .PPT

55.5 KB Created: 2020-12-07 22:03:46 Authoring application: Microsoft Office PowerPoint
MD5: e9ef875fd427168ba7d9e4e7258d486f SHA-1: 2f18ef1d768e0c349e3b124e8828ced18e406d03 SHA-256: b313d4b7f0c23f7812db3aa1f0a71839914914d93a64af69b32165c9823bf1c5
160 Risk Score

Malware Insights

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

The file is a PowerPoint presentation containing VBA macros. The critical heuristic firing indicates a Shell() call within the VBA code, and the high heuristic firing for Auto_Close suggests this malicious function is executed automatically when the presentation is closed. The VBA p-code auto-execution with execution tokens further confirms the intent to run arbitrary commands. 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
7867a58c197419d63a696e17684d15a5e39e9824bbd13d727b2460e60e57b6ee		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 541 bytes

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