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

Static analysis result for SHA-256 fdf49bc1a1c53c03…

MALICIOUS

Office (OLE) / .PPT

67.5 KB Created: 2020-06-29 02:59:06 Authoring application: Microsoft Office PowerPoint
MD5: 55cc4c1e305d0ef698f28dd73667fbfe SHA-1: 93b08ac6aff4dfa69f20829511a0781bfb2db9d8 SHA-256: fdf49bc1a1c53c034bd0da3a548b7d01f6b68ebec5f3446e6575ae3c453d4682
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.003 Windows Command Shell

The sample is a PowerPoint file containing VBA macros. A critical heuristic firing indicates the use of the Shell() function within a VBA Auto_Close macro, which is a common technique for executing arbitrary commands. This suggests the macro is designed to download and execute a second-stage payload. The embedded URL, while marked as benign, is included as a potential IOC.

Heuristics 5

  • 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
  • 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://%40%40%40@j.mp/56dasghasjksanz

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
5eb5b321d33a28ca125148f3ee3f581eaa926a2a9827dccc0c8354a6208a99cc		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 507 bytes

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