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

Static analysis result for SHA-256 818f304883e566aa…

MALICIOUS

Office (OLE) / .PPT

310.0 KB Created: 2021-02-14 19:38:49 Authoring application: Microsoft Office PowerPoint
MD5: 18c9430104b98acad9376d348723cbcb SHA-1: 60a9d3e1c911e3629c1eea2aded6ecd11114708e SHA-256: 818f304883e566aa5cce96bda31d28239ade1164518f38377d6f4d80d449bae6
160 Risk Score

Malware Insights

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

The sample is a PowerPoint file containing a malicious VBA macro. The Auto_Close macro is configured to execute a command using the Shell() function. This indicates the macro is designed to download and execute a second-stage payload. The presence of VBA p-code auto-execution 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
275037c90823f2dc0853f1bec810d30eccf5a2bd6e99ce8040f606f69f3429aa		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 87703 bytes

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