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

Static analysis result for SHA-256 fe38e708808c0e0b…

MALICIOUS

Office (OLE) / .PPT

72.0 KB Created: 2006-08-16 00:00:00 Authoring application: Microsoft Office PowerPoint
MD5: d757b860d3e7fd0e038fb054793b26ec SHA-1: 301fa29d141099cd2193604fcbc779e351a2c82f SHA-256: fe38e708808c0e0b056c87c363b262727cde923a2e4e9e3831975b9c892067bd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical OLE_VBA_SHELL heuristic indicates the presence of a Shell() call within the VBA macros. Combined with the OLE_VBA_AUTOCLOSE heuristic, this suggests the Auto_Close macro is designed to execute arbitrary commands upon closing the presentation. The OLE_VBA_PCODE_AUTOEXEC_EXEC firing further supports that an auto-execution routine is present and uses execution tokens. The likely intent is to download and execute a second-stage payload, although no specific URLs or hashes were extracted from this sample.

Heuristics 4

  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
dfbf6003e5440924d8a90dd32d81039ebb98ba8f7fb60bc748258ee6d608e11a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 513 bytes

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