MALICIOUS
262
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The RTF file contains embedded OLE object data, specifically a package object, which is a strong indicator of malicious intent. ClamAV detections confirm this, identifying the file as Win.Trojan.VB-1226. The document body provides a lure, suggesting the embedded object contains sensitive information like a 'password hotmail', likely to entice the user to execute it. The embedded artifact 'objdata_00_off00000124.bin' is the primary IOC.
Heuristics 6
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ClamAV: Win.Trojan.VB-1226 critical CLAMAV_DETECTIONClamAV detected this file as malware: Win.Trojan.VB-1226
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PE header (with DOS stub) in hex data critical RTF_MZ_HEXHex-encoded PE (MZ + DOS stub) found inside RTF — likely an embedded executable payload
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Package object class high RTF_OBJCLASS_PACKAGEOLE Package object — can wrap arbitrary files
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OLE object data medium RTF_OBJDATARTF contains 1 \objdata section(s) — embedded OLE objects
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Embedded OLE object medium RTF_OBJEMBRTF contains \objemb — embedded OLE object
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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00000124.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x124 | 249661 bytes |
SHA-256: 0512cdbd59036f8be2beb6b30d75b782d7dcb515f724e347392519a8f32458c2 |
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Detection
ClamAV:
Win.Trojan.VB-1226
Obfuscation or payload:
likely
Carved artifact entropy is 7.70, consistent with packed or encrypted content.
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