Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 efbe52f1eddc3ccb…

MALICIOUS

Office (OLE)

40.0 KB Created: 2010-06-22 05:44:29 Authoring application: Microsoft Excel
MD5: 3e9433c36a42fd0332d5330ae02fdbde SHA-1: cd67c4619ac9d4d703529f89f6896f50bd9a5686 SHA-256: efbe52f1eddc3ccb41acd2ea2ef86494b9d2789208c49dc677b8ab2976e33bb5
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1566.001 Spearphishing Attachment

The file is an Excel document containing VBA macros, specifically an Auto_Open macro, which is a common technique for initiating malicious actions upon opening. The document body presents a fake inventory report with promotional offers, designed to trick the user into enabling macros. The ClamAV detection 'Doc.Macro.Laroux-5893719-0' further confirms its malicious nature. The primary intent appears to be the execution of the Auto_Open macro, likely to download and execute a secondary payload.

Heuristics 3

  • ClamAV: Doc.Macro.Laroux-5893719-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Macro.Laroux-5893719-0
  • Auto_Open macro high OLE_VBA_AUTO
    Auto_Open macro
  • 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
e9801bef61dd481a32b4da851c61331e9e6c79fb13eeeca6f8304240cb334267		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1567 bytes

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