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

Static analysis result for SHA-256 911590ba8892ac66…

MALICIOUS

Office (OLE) / .PPT

742.5 KB Created: 2006-08-16 00:00:00 Authoring application: Microsoft Office PowerPoint
MD5: 901f825a65282b8744c668b2826817f5 SHA-1: df36147874188655dc7517433b0f297014feee01 SHA-256: 911590ba8892ac66dc5094f207c5a415fc2648244f574e5141db1c7439cccc26
160 Risk Score

Malware Insights

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

The critical OLE_VBA_SHELL heuristic indicates the presence of a Shell() call within the VBA macros, which is a strong indicator of malicious intent. The Auto_Close macro firing suggests that the malicious code is designed to execute automatically when the presentation is closed. The VBA p-code auto-execution further supports this, indicating a mechanism for immediate execution upon opening or interaction. 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
b91381d62077e3d945e84223e8ee0dc69d95a5bafec4b27408ff96aa293c4513		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 542757 bytes

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