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

Static analysis result for SHA-256 c170d13eb7d147eb…

MALICIOUS

Office (OLE) / .PPT

91.5 KB Created: 2006-08-16 00:00:00 Authoring application: Microsoft Office PowerPoint
MD5: da559896252ac6a3c180647d32de17d2 SHA-1: bedfc096873e1f3dc727862bfdaa1dda6811ab72 SHA-256: c170d13eb7d147ebd5c654f9742639cc3a5082e0d9b9239d5233c8ac00b6bd63
220 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell

The sample is a PowerPoint file containing a VBA macro with an Auto_Close function. This macro utilizes the Shell() function, a critical heuristic firing, indicating it's designed to execute external commands. The presence of VBA p-code auto-execution further supports this. While no specific URLs or hashes were extracted, the macro's functionality strongly suggests it acts as a downloader for a secondary malicious payload.

Heuristics 5

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Doc.Malware.W2000m-9765779-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.W2000m-9765779-0
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
c136a2764d249a46cdf7f21c6c22b50235a4d1372332347a66c2d8b820aff4c2		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2040 bytes

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