Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 7ed87d424f0199c7…

MALICIOUS

Office (OLE)

7.0 KB First seen: 2014-02-03
MD5: cdd302a0bc5bc690004ce9f127a0d7cb SHA-1: 268284bb527da801fb0eae74f09c0b812187d67c SHA-256: 7ed87d424f0199c75be957c37ce67e702963f7cb0bf71a0f8691a277eb895db5
102 Risk Score

Heuristics 3

  • ClamAV: Win.Trojan.Temple-4 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Temple-4
  • Legacy WordBasic macro-virus markers high OLE_LEGACY_WORDBASIC_MACRO_VIRUS
    OLE Word document contains legacy WordBasic auto-execution macro markers such as AutoOpen plus ToolsMacro/MacroFile/fileMacro/globMacro or named historical macro-virus strings. These old Word 6/95 macro forms are not exposed as a modern VBA project, so normal VBA source extraction can miss them.
  • Recovered legacy WordBasic macro source info OLE_LEGACY_WORDBASIC_MACRO_SOURCE
    The Word 6.0/95 document stores tokenised WordBasic macros in the WordDocument stream rather than as a modern VBA project, so VBA source extraction cannot see them. The macro source was detokenised and carved so its identifiers, string literals (file paths, URLs, registry keys, message text) and comments are available for review and signature scanning.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
wordbasic_macros.txt wordbasic-macro analyzer.wordbasic (detokenised Word 6/95 WordBasic macro source) 776 bytes
SHA-256: 66b844ab5ed9d3580fde20a458de449d69fc9f772a7b2d0ed6db66b5faf9cf0a
Preview script
First 1,000 lines of the extracted script
, , @cmd0014 = = 21349      
    29793 = 20325     @cmd6420     29793       8300   ,  
    10272 25199 8233 29793  
      24933 8300 = = =
MAIN
, - * ErrorHandler
@cmd80c2 @cmd8025 = ":TempAutoExec" , "Global:AutoExec"
@cmd80c2 @cmd8025 = ":TempFileSave" , "Global:FileSave"
@cmd80c2 @cmd8025 = ":TempFileOpen" , "Global:FileOpen"
@cmd80c2 @cmd8025 = ":AutoOpen" , "Global:TempAutoOpen"
* Finished
=
29285
err
MAIN
, - * ErrorHandler
dlg @cmd0050
dlg
dlg
@cmd0050 dlg
@cmd0054 = 1
@cmd80c2 "Global:AutoExec" , @cmd8025 = ":TempAutoExec"
@cmd80c2 "Global:FileSave" , @cmd8025 = ":TempFileSave"
@cmd80c2 "Global:FileOpen" , @cmd8025 = ":TempFileOpen"
@cmd80c2 "Global:TempAutoOpen" , @cmd8025 = ":AutoOpen"
@cmd0054 = 1
* Finished
=
29285
err
@cmd0054 = 1
* Finished
=
29285
err

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