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

Static analysis result for SHA-256 583aade46eae3f8d…

MALICIOUS

Office (OLE) / .PPT

60.5 KB Created: 2020-11-09 16:46:44 Authoring application: Microsoft Office PowerPoint
MD5: d7b1d74daf7e519ed93aa0e5692496e6 SHA-1: 68cb0d0fa27e5115161bf5168b75703475190773 SHA-256: 583aade46eae3f8d0c9818fb1d65bd6646f52487af2d1b892343774bf21241e7
160 Risk Score

Malware Insights

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

The sample is a PowerPoint file containing VBA macros. A critical heuristic firing indicates the use of the Shell() function within a VBA macro, specifically within an Auto_Close macro. This suggests the macro is designed to execute arbitrary commands upon closing the document, likely to download and execute a secondary payload. 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
06a98e8bcde0bf6eb1addcea80f93e5e1adcd70c2d6c6a11618ced3eb0baf70f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 812 bytes

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