Malicious RTF — malware analysis report

Static analysis result for SHA-256 9a225d0ed479bf5e…

MALICIOUS

RTF

51.6 KB Created: 2018-11-12 17:38:00 First seen: 2019-05-16
MD5: bba919587ea47b9fdbd06a611456337f SHA-1: f07664a86960cb2fdfe0ca9c1ca141d78b23e164 SHA-256: 9a225d0ed479bf5e20af0fd2fb99ee649c8a99c8d054ccb71bf49c22ba48db11
182 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF file contains an OLE object that leverages CVE-2017-0199 to fetch and execute a remote file from the URL http://192.168.1.41/exp.rtf. This indicates a malicious document designed to download and run a secondary payload, likely for further system compromise.

Heuristics 5

  • CVE-2017-0199 (OLE2Link / remote URL Moniker) critical CVE likely CVE_2017_0199
    RTF contains a URL Moniker OLE link whose decoded target is remote. Office can fetch and process the response through the CVE-2017-0199 OLE2Link attack path, but the server-side content type is not proven statically.
  • ClamAV: Rtf.Exploit.CVE_2017_0199-6335035-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Rtf.Exploit.CVE_2017_0199-6335035-0
  • Automatically linked OLE object high RTF_OBJAUTLINK
    RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects
  • 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://schemas.microso In RTF body
    • http://192.168.1.41/exp.rtfIn RTF body

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00002ad0.bin rtf-objdata-decoded RTF \objdata at offset 0x2AD0 2601 bytes
SHA-256: 8adf7fc9cfa70ede51ded47a3c379d47157251dd29cb0858b79f6050e4a77eb9

Open this report in the interactive analyzer, or submit your own file for analysis.