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

Static analysis result for SHA-256 7a60b18e228dbd72…

MALICIOUS

Office (OLE) / .PPA

30.5 KB Created: 2004-06-10 02:37:06 Authoring application: Microsoft Office PowerPoint
MD5: 1196d15c1b07f460721bf3a3dc9a783a SHA-1: 3591ce6f0330b8bc8d80b17e8bbd34b8a6a8ce87 SHA-256: 7a60b18e228dbd72d9f1deeec8cd4446ea27247002ea92101d60079ca843a5b1
240 Risk Score

Malware Insights

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

This Office macro-enabled presentation file contains Auto_Open and Auto_Close VBA macros. The critical heuristic firing indicates the use of the Shell() function within these macros, which is highly suspicious. The macros are likely designed to execute arbitrary commands or download and run a second-stage payload. The presence of 'macros.bas' suggests a macro-based delivery mechanism.

Heuristics 6

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • Auto_Open macro high OLE_VBA_AUTO
    Auto_Open macro
  • 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
17d31530e1abf8620d5571334c2eeff7ed7af35b45b0302be7fd941f2cf2af2a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 5051 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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