RTF malware analysis — malicious · 069c9a18c60d9ffa

MALICIOUS

RTF

6.61 MB Authoring application: Msftedit 5.41.15.1515 First seen: 2018-10-07

MD5: cde91403be0c15c2a964bd30fd9e9a66 SHA-1: 3ecfeb05b37414f9db5249030d292b64e1d5dabe SHA-256: 069c9a18c60d9ffa96c7ffe8262acf3c0e61cc1e455edf81a411427cad455c03

184 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF file contains multiple OLE objects and excessive hex-encoded data, indicative of a packed payload. A high-severity heuristic identified the CVE-2012-0158 vulnerability, which is often exploited via RTF documents. The file also attempts to download a secondary payload from the URL http://propay24.ru/4/img.jpg?id=20164197&bid=48A727E8, suggesting a downloader or exploit delivery mechanism.

Heuristics 8

MSCOMCTL.ListView — CVE-2012-0158 high CVE related CVE_2012_0158

RTF \objdata decodes to OLE data containing the MSCOMCTL.ListView — CVE-2012-0158 CLSID — the vulnerable control/moniker is embedded directly in the document's object stream, the delivery shape of this exploit. RTF objects auto-render when Word opens the file.
Large hex data blocks in OLE object high RTF_EXCESSIVE_HEX

RTF contains ~6511KB of hex-encoded data inside \objdata sections — may hide a payload
INCLUDETEXT/INCLUDEPICTURE remote URL high RTF_INCLUDE_REMOTE

RTF document uses INCLUDETEXT or INCLUDEPICTURE with an http:// URL — Word can fetch the remote content on open depending on Office version and external-content settings, enabling remote template injection, NTLM capture via redirects, or payload delivery
OLE object data medium RTF_OBJDATA

RTF contains 5 \objdata section(s) — embedded OLE objects
Embedded OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object
OlePres presentation stream in RTF OLE object medium RTF_OLEPRES_STREAM

RTF contains an embedded OLE object with an OlePres presentation stream. OlePres is an OLE presentation marker and is not enough on its own to identify CVE-2025-21298.
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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://propay24.ru/4/img.jpg?id=20164197&bid=48A727E8 In RTF body

Extracted artifacts 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000000e9.bin`	rtf-objdata-decoded	RTF \objdata at offset 0xE9	3176112 bytes
SHA-256: `b962a4d0b605062fc3ed67db5617e31eff78b608871144aa9655293ca145aa4e`
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.98, consistent with packed or encrypted content.
`objdata_01_off00635b17.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x635B17	160 bytes
SHA-256: `b393978842a0fa3d3e1470196f098f473f9678e72463cb65ec4ab5581856c2e4`
`objdata_02_off0063615e.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x63615E	497 bytes
SHA-256: `8155e5527a649c27a9a3fd2ec4666c1af245ca0a64fd66b991b0f42568a1022b`
`objdata_03_off00636777.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x636777	4337 bytes
SHA-256: `9642490640d298d0af84e73a57a60826b1e39cbd8c7efcb46969836077f5d54c`
`objdata_04_off00638bc3.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x638BC3	167010 bytes
SHA-256: `01ce29b2bad2c55c1fb407a51c2bd1ee43bb61e39434806b20986ed6369dcf2f`
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.57, consistent with packed or encrypted content.

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