Win.Trojan.Box-3 — Office (OLE) malware analysis

Static analysis result for SHA-256 10d26b2a9aa46762…

MALICIOUS

Office (OLE)

37.5 KB Created: 1996-07-26 18:08:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: e60949357d7dd14bb519f59bb30881e6 SHA-1: 289d6e917b4ef5ce926d4d68fa30f54cc048aeae SHA-256: 10d26b2a9aa4676286ceaa5fab6e1ac86893dd35b8ef4574f67d5dc5eb9ec517
140 Risk Score

Malware Insights

Win.Trojan.Box-3 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The file exhibits characteristics of a legacy WordBasic macro virus, specifically identified by the 'TOOLSMACRO' marker. ClamAV detection confirms it as Win.Trojan.Box-3. The presence of these indicators strongly suggests the document is intended to execute malicious code, likely for further system compromise.

Heuristics 3

  • ClamAV: Win.Trojan.Box-3 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Box-3
  • Heap-spray pattern detected high SC_HEAP_SPRAY
    Repeated 0x07 bytes found
    Disassembly
    Attempted x86 opcode disassembly
    00000AF0  07                pop es
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  • 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.