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

Static analysis result for SHA-256 316b9d8008691eff…

MALICIOUS

Office (OLE) / .PPT

250.5 KB Created: 2020-11-01 23:20:18 Authoring application: Microsoft Office PowerPoint
MD5: 48eab7b9a8b212f291e5a43e9a65d3e1 SHA-1: 379deed8a3d207e930fc3afbf205aee17c19076a SHA-256: 316b9d8008691eff15ff130c72920a8406718a1350fd39bb401ed3d23dd881f3
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 Auto_Close macro is present and utilizes a Shell() call, indicating it is designed to execute arbitrary commands upon closing. The presence of VBA p-code auto-execution with execution tokens further supports this. No specific family could be identified, but the technique suggests a downloader or initial execution stage.

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
963d0fcaaeb569dd602f01c139b635acc5f9983412300455c4183813d9120080		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 259490 bytes

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