RTF malware analysis — malicious · 504127c0eba684aa

MALICIOUS

RTF

5.6 KB Authoring application: Msftedit 5.41.21.2510 First seen: 2019-04-18

MD5: fa263b843e6ad24199cf08b86d58171c SHA-1: 86cfabf3cc186dfe6467e35d2be6ca74bba80aed SHA-256: 504127c0eba684aa8f8bef7bdfd801304ee1595773640d63f69c5aba42d206de

222 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF file contains an OLE object that is automatically linked and updated, indicating an attempt to exploit CVE-2017-0199. This exploit is designed to download and execute a remote payload from a specified URL. The embedded URL 'http://10.0.0.192:8080//' is highly suspicious and likely points to the location of the secondary malicious payload.

Heuristics 6

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.
\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
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://10.0.0.192:8080// In RTF body

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00000104.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x104	2724 bytes
SHA-256: `39bcd537efdbff132091078baa25def11bc9301191f71971c282496ff26cdc14`

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