MALICIOUS
240
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
The sample exhibits critical heuristics indicating it is a legacy WordBasic macro-virus, specifically identified by ClamAV as Win.Trojan.Wompie-1. The document body explicitly describes the Wompie macro virus, its components, and its anti-debug and data-wiping capabilities. The presence of 'ToolsMacro' and various macro names like 'AutoOpen' and 'Wompie' further supports the macro-based attack vector.
Heuristics 4
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ClamAV: Win.Trojan.Wompie-1 critical CLAMAV_DETECTIONClamAV detected this file as malware: Win.Trojan.Wompie-1
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Embedded Office document has suspicious static findings critical EMBEDDED_OFFICE_CHILD_STATIC_TRIAGEA CFB/OLE Office document was found inside another file type and its carved contents matched Office exploit or payload heuristics. This catches wrapped exploit documents where the top-level file routes to a PE, archive, or generic scanner instead of Office.
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Legacy WordBasic macro-virus markers high OLE_LEGACY_WORDBASIC_MACRO_VIRUSOLE 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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CFB header with no readable streams medium OLE_PARSE_EMPTY_STREAMSThis finding applies to a carved embedded Office document found at a nonzero offset inside the submitted file, not directly to the top-level document. The file begins with a valid OLE2/CFB header but exposes no directory streams. A non-empty compound document with an unreadable directory is anomalous — it is seen with truncated/corrupt files and, more importantly, with content deliberately shifted off byte boundaries to defeat parsers while the host application still recovers the object.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
embedded_office_off00001440.ole |
embedded-office | Embedded OLE/CFB Office body inside ole container at offset 0x1440 | 10688 bytes |
SHA-256: 0365fc8ab1cf79d7102ee9a8984fa05b2c03ed4cd5e7a751450ce8375f94e237 |
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Detection
ClamAV:
Win.Trojan.Wompie-1
Obfuscation or payload:
unlikely
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