RTF malware analysis — malicious · ab0a4861dc43ee8d

MALICIOUS

RTF

8.1 KB First seen: 2018-10-19

MD5: ac24422f91996ef02002869ecff533c4 SHA-1: ba79869c3556168ee7ccb07f304b9283a22b9242 SHA-256: ab0a4861dc43ee8d8586444132f1d38909cdbd653058c9d891b30db14d4d76d0

200 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The RTF file contains embedded OLE object data and specifically triggers heuristics for the Equation Editor vulnerability (CVE-2017-11882). This exploit is known to allow for arbitrary code execution on the victim's machine. No specific malware family could be identified from the available evidence.

Heuristics 5

Equation Editor CLSID critical CVE likely RTF_EQUATION_EDITOR

Equation Editor OLE CLSID found inside an OLE object — exploited by CVE-2017-11882 / CVE-2018-0802 / CVE-2018-0798
ClamAV: Doc.Exploit.CVE_2017_11882-6934206-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Exploit.CVE_2017_11882-6934206-0
\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 OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off0000003b.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x3B	4131 bytes
SHA-256: `5efe91ea57c8849f2c36bab7044ac0f5dfa4a2521f1b39c8885dc630bce1b111`

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