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

Static analysis result for SHA-256 aadec7a12a629e89…

MALICIOUS

Office (OLE) / .PPT

67.0 KB Created: 2022-06-20 21:46:45 Authoring application: Microsoft Office PowerPoint
MD5: efe6b2b28cb219f724335374799cab96 SHA-1: dac13ebcc4b5ce6dc0bcd3eda84cc719a2e1f6fb SHA-256: aadec7a12a629e8959587a3167111e67805ce23eabb439bd23d7ceff933ba3ae
140 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1218.005 System Binary Proxy Execution: Mshta

The file contains VBA macros, specifically an Auto_Close macro, which is designed to execute code. The heuristic firings indicate the use of mshta.exe, suggesting the macro attempts to launch a remote script or payload. The embedded URL, while marked as confirmed benign, is still included as a potential IOC. The exact payload or intent beyond executing via mshta.exe is not fully discernible from the provided evidence.

Heuristics 5

  • Reference to mshta.exe high SC_STR_MSHTA
    Reference to mshta.exe
  • 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 https://bitbucket.org/!api/2.0/snippets/rikimartinplace/zEqyq4/27d8aa599e5aac0cc68434e1d302c28a02def11d/files/gibsonfinal1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
1d98165d2ce519f3d8c456fc9792f2177ad3818accc333b2e1c1cfea8eb73cfd		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1086 bytes

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