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

Static analysis result for SHA-256 ba5c251f78a1d57b…

MALICIOUS

Office (OLE) / .PPT

69.5 KB Created: 2020-06-10 17:30:02 Authoring application: Microsoft Office PowerPoint
MD5: d0ed831ee17e87fe82b1b203cf1c7405 SHA-1: a745ebeb43469ba013fb014250995a1cc7c898af SHA-256: ba5c251f78a1d57b72901f4ff80824d6ad0aa4bf1931c593a36254db4ab41021
220 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file is a PowerPoint presentation containing VBA macros. The Auto_Close macro is present and utilizes a Shell() call, indicating it is designed to execute arbitrary code upon closing the document. ClamAV identifies this as 'Doc.Dropper.Agent-8019574-0', suggesting a dropper functionality. The embedded URL was confirmed benign and is not considered a primary IOC.

Heuristics 6

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Doc.Dropper.Agent-8019574-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-8019574-0
  • 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
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://%20%20@j.mp/asdakdxassddodkasodkaos

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
1a0a3d0803ae86950243653a6dca9a2f2ea7f7a391db7e2bff6a82b97e67228a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 556 bytes

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