Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 b3c8d4947d9ab673…

MALICIOUS

Office (OLE)

7.0 KB First seen: 2012-06-14
MD5: 92ab00d8a9b6c20815795aa1a66a1fe1 SHA-1: a97f33737a0c2176a2223d1c26e711c2b471ba7e SHA-256: b3c8d4947d9ab67324c75d4809b32cb361547e6d49ec7880d29e282f9fbf67bb
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 an 'AutoOpen' macro. This suggests an attempt to execute malicious code automatically when the document is opened, likely as part of a phishing attack. The specific family is not identifiable from the provided evidence.

Heuristics 2

  • ClamAV: Win.Trojan.Twno-7 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Twno-7
  • 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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