MALICIOUS
260
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic for Applications
T1566.001 Spearphishing Attachment
The file is a malicious Microsoft Word document containing VBA macros, specifically an Auto_Close macro that is executed automatically. The presence of a CreateObject call and VBA p-code auto-execution indicates the macro is designed to perform malicious actions. ClamAV detections confirm this, identifying it as 'Doc.Trojan.Linda-3'. The document body suggests it's an attachment with administrative instructions, a common lure for macro-based malware.
Heuristics 6
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ClamAV: Doc.Trojan.Linda-3 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Trojan.Linda-3
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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Auto_Close macro high OLE_VBA_AUTOCLOSEAuto_Close macro
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CreateObject call high OLE_VBA_CREATEOBJCreateObject call
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VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXECCompiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
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VBA macros detected medium OLE_VBA_MACROSDocument contains VBA macro code
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.basa15eaf32e2a70906c40f3b6c4061b5c250db04ab096be4717431c42be9d2930b |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 27190 bytes |
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Detection
ClamAV:
Doc.Trojan.Linda-3
Obfuscation or payload:
unlikely
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