Win.Trojan.Alex-5 — Office (OLE) malware analysis

Static analysis result for SHA-256 b47f40b8764c29ee…

MALICIOUS

Office (OLE)

20.5 KB Created: 1997-07-21 17:55:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: a8d57ae17273b6baf0abc5a8f39d44d6 SHA-1: d00739e97087465b90b4f9e17b0b3105ba60ac9f SHA-256: b47f40b8764c29ee6d7abdce7a78c8beddc7616e29e16fba499a44510ee83266
100 Risk Score

Malware Insights

Win.Trojan.Alex-5 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as a legacy WordBasic macro-virus, specifically flagged with 'TOOLSMACRO'. ClamAV detection confirms it as Win.Trojan.Alex-5. The document body contains references to 'ALEX.DOC' and macro-related keywords like 'AUTONEW', 'AUTOOPEN', and 'AUTOCLOSE', indicating the presence of malicious macros designed to execute.

Heuristics 2

  • ClamAV: Win.Trojan.Alex-5 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Alex-5
  • 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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