RTF malware analysis — malicious · 96a59ab153232b4c

MALICIOUS

RTF

75.6 KB Created: 2017-07-15 02:42:00 First seen: 2018-03-04

MD5: 230b5f0566929470f6f5440be0bc340d SHA-1: bb62891d976a5124565f2c094921493c17d368ed SHA-256: 96a59ab153232b4c2cce11b46864ca5507be1a3c5f4d8209718e8641f2abde81

122 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The RTF file contains an OLE object that exploits CVE-2017-0199, indicated by the 'CVE_2017_0199_WEAPONIZED_URL' heuristic. This exploit is designed to download and execute a payload from a specified URL. The extracted URL, http://192.168.37.128:8080/KYg8mmfe.hta, is likely the location of this payload. The presence of OLE object data and an automatically linked OLE object further supports the exploitation vector.

Heuristics 4

CVE-2017-0199 (OLE2Link / weaponized URL) critical CVE exact CVE_2017_0199_WEAPONIZED_URL

RTF contains a URL Moniker OLE link to a script/HTA/template-style remote loader, matching the tighter static CVE-2017-0199 shape.
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://192.168.37.128:8080/KYg8mmfe.hta In RTF body
- http://schemas.microsoft.com/office/word/2003/wordmlIn RTF body

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00002b61.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x2B61	2601 bytes
SHA-256: `af8bc81dbba4a3c0c5650d5da05b6bef7e3f2a1c941ce7a3c9219d0a1cc88349`

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