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

Static analysis result for SHA-256 8f12db1fc4df7352…

MALICIOUS

Office (OLE) / .PPT

62.0 KB Created: 2022-06-27 23:07:40 Authoring application: Microsoft Office PowerPoint
MD5: c71d03007d2e1433fa54085b2603b678 SHA-1: f92c085ec9ae2ded46fb92a478076b211f249370 SHA-256: 8f12db1fc4df7352055cb1d88c770e43326a8fff075f4ead8dc937c54a58b80f
180 Risk Score

Malware Insights

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

The file is a PowerPoint presentation containing VBA macros. The Auto_Close macro is configured to execute a command using mshta.exe, indicating a likely attempt to download and execute a second-stage payload. The presence of the mshta.exe reference and the Auto_Close macro strongly suggest malicious intent. No specific family could be identified.

Heuristics 6

  • 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.
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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/yE7rzL/5cf9352ac9952831ec0784d4e696bbf8286de21e/files/blackfinal

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
e6bc433dd5b5cf5eed731fc53a131733e4af70af7ca8f5a38b55ed5080d99938		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 758 bytes

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