Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 b110718a3877eb9b…

MALICIOUS

Office (OLE)

10.0 KB First seen: 2012-06-14
MD5: 32d2093a0b971f5d34ca5c5834817c21 SHA-1: e9946706447597eb514bbfc82b2718781d111fb9 SHA-256: b110718a3877eb9bf8ef4b61cce67cf94d0743ff3b97435642a7f02a3f985403
100 Risk Score

Malware Insights

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

The sample exhibits characteristics of a legacy macro virus, specifically identified by 'RSN MACRO VIRUS' markers and the presence of the 'AutoOpen' macro, which is designed to execute automatically when the document is opened. The ClamAV detection as 'Win.Trojan.Johnny-1' further supports its malicious nature. The document body contains numerous strings that appear to be artifacts of the macro's operation or embedded data.

Heuristics 2

  • ClamAV: Win.Trojan.Johnny-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Johnny-1
  • 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.

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