Win.Dropper.Agent-267566 RTF malware analysis — malicious · 9929dbbe6cce6826

MALICIOUS

RTF

263.5 KB Authoring application: Msftedit 5.41.15.1507

MD5: 9291cff86d3fd990a4360bce792bcebc SHA-1: 6b171731406178a545053434fe58489c981a9fd9 SHA-256: 9929dbbe6cce6826ea2a8dcccf8d14f459035ccfed2fe2288e1f339a340380d8

142 Risk Score

Malware Insights

Win.Dropper.Agent-267566 · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF file contains an embedded OLE object, indicated by multiple heuristics including RTF_OBJDATA, RTF_OBJEMB, and RTF_OBJCLASS_PACKAGE. ClamAV identified the file as Win.Dropper.Agent-267566, suggesting its purpose is to drop a secondary payload. The embedded artifact objdata_00_off000000d2.bin is likely the dropped payload.

Heuristics 5

ClamAV: Win.Dropper.Agent-267566 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Dropper.Agent-267566
Package object class high RTF_OBJCLASS_PACKAGE

OLE Package object — can wrap arbitrary files
OLE object data medium RTF_OBJDATA

RTF contains 1 \objdata section(s) — embedded OLE objects
Embedded OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One 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_off000000d2.bin` `49e4eaff5979c8e5cffcc5dee901cb5a3bb6f5f3f0afa0a5920d11413268a710`	rtf-objdata-decoded	RTF \objdata at offset 0xD2	127674 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.84, consistent with packed or encrypted content.

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