MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1059.001 PowerShell
The sample is an RTF document that contains OLE object data and specifically triggers the Equation Editor vulnerability. The \objupdate heuristic indicates that the embedded OLE object is forced to activate, which is a common technique for exploiting this vulnerability. This exploitation likely leads to the execution of a secondary payload, although no specific download URL or execution command was directly extracted from the provided evidence.
Heuristics 3
-
Split hex Equation Editor ProgID + OLE object critical RTF_EQUATION_EDITORRTF embeds the Equation.3 ProgID as hex bytes near OLE object activation and splits the byte stream with whitespace or an ignorable RTF group. This is an Equation Editor OLE activation surface commonly used by CVE-2017-11882 / CVE-2018-0802 exploit documents.
-
\objupdate forces OLE activation high RTF_OBJUPDATERTF 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_OBJDATARTF contains 2 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off000013a5.bind00741b509a8614e9ce73622490d4df8ed1abbbf128e6154cea67190be0b94a6 |
rtf-objdata-decoded | RTF \objdata at offset 0x13A5 | 1980 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.