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

Static analysis result for SHA-256 e075a87973b6c313…

MALICIOUS

Office (OLE) / .PPT

89.5 KB Created: 2006-08-16 00:00:00 Authoring application: Microsoft Office PowerPoint
MD5: f252a44dc4de24326cd96fb6aac8dcc8 SHA-1: b26ae79b2bb7d96915c1a95054d1c48b1e6c77ea SHA-256: e075a87973b6c31376cc1258d4f70e8793d74d89da3dcc6fded2767030996909
220 Risk Score

Malware Insights

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

The critical heuristic 'OLE_VBA_SHELL' indicates the presence of a Shell() call within the VBA macros. This, combined with the 'OLE_VBA_PCODE_AUTOEXEC_EXEC' heuristic, strongly suggests that the macros are designed to execute arbitrary commands. The 'Auto_Close' macro firing further implies that this execution is triggered automatically when the presentation is closed. The ClamAV detection confirms the malicious nature of the file. The specific command executed by Shell() is not directly visible in the provided evidence, but its presence is a high-priority indicator of malicious activity, likely for downloading and executing a second-stage payload.

Heuristics 5

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Ppt.Malware.Agent-9795881-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Ppt.Malware.Agent-9795881-0
  • 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
a6c795fb636bb72bcaca0cf8f697d3b2371a1d360f69ad9ad4627c20b5fb658c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1466 bytes

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