RTF / .OLE malware analysis — malicious · 52428f51a81e90e3

MALICIOUS

RTF / .OLE

322.2 KB

MD5: 92c3b62de4fe79df3f1684c4dff909f2 SHA-1: 76fff7a37e827beacda747e27b2f0f1e09062030 SHA-256: 52428f51a81e90e3cfc724d9da0b12d9e979d539fa5dd298ad548990831a42d6

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains OLE object data and an \objupdate directive, indicating it's designed to trigger OLE activation and execute embedded content. The high-entropy extracted artifact suggests a packed or obfuscated payload. The attack pattern is likely a lure to trick the user into opening the document, leading to the execution of a malicious payload via OLE object exploitation.

Heuristics 3

\objupdate forces OLE activation high RTF_OBJUPDATE

RTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
OLE object data medium RTF_OBJDATA

RTF contains 1 \objdata section(s) — embedded OLE objects
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_off00000069.bin` `a0d0e1313e687a9db591bdfa68265c11c4316d3e64903c6c9f1ba867ac471448`	rtf-objdata-decoded	RTF \objdata at offset 0x69	164830 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 8.00, consistent with packed or encrypted content.

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