RTF malware analysis — malicious · 57e752828f6065f0

MALICIOUS

RTF

17.2 KB First seen: 2021-06-30

MD5: e94e3d7853da0b56b02534ea0ead3eff SHA-1: 5e3e33555501fcb8b52048df01304320d8938dc4 SHA-256: 57e752828f6065f02c60aa469941aba5c4f9109f373e781974fc5c08dbb1c3f3

102 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF document contains OLE object data and triggers a high-severity heuristic for CVE-2012-0158, indicating an attempt to exploit a vulnerability in MSCOMCTL.ListView. The document also contains a lure to enable editing, common for malware droppers. The embedded URL suggests a download location for a secondary payload, likely an executable.

Heuristics 5

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.
OLE object data medium RTF_OBJDATA

RTF contains 1 \objdata section(s) — embedded OLE objects
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
Suspicious extracted artifact medium 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://94.102.63.7/putty.exe In RTF body

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00000ce5.bin`	rtf-objdata-decoded	RTF \objdata at offset 0xCE5	5700 bytes
SHA-256: `1bbe2f007a5d4ff56cdc382a0492beee80dbe9cd4651c683af7eb8a30c7131b0`
Detection ClamAV: No threats found Obfuscation or payload: likely Static shellcode analysis found candidate code region(s). Indicators: SC_PEB_ACCESS

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