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

Static analysis result for SHA-256 66fbc49e36f8df05…

MALICIOUS

Office (OLE) / .PPT

84.5 KB Created: 2006-08-16 00:00:00 Authoring application: Microsoft Office PowerPoint
MD5: c9f2dc79636c90d8b39aeb0c2a9c084a SHA-1: a2ef2c0103f9d64ee8b3569cbadf66f0102eed5f SHA-256: 66fbc49e36f8df0500156da536652c8a1e15802f6238dc1686c91e34231cd2e5
302 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The PowerPoint file contains VBA macros, including an Auto_Close subroutine, that leverage WScript.Shell to execute a command. The script concatenates strings to form the URL "http://%20%20@j.mp/asdasfgdvvertftwmewos" and passes it to the Shell() function, likely to download and execute a second-stage payload. The use of WScript.Shell and the Auto_Close macro are strong indicators of malicious intent.

Heuristics 8

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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/asdasfgdvvertftwmewos

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
e9ba8ee10087ded01d77850ab0c84c6a986b48aa81f329091f9987c16b59d2d5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 687 bytes

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