MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
The critical heuristic firing for CVE-2017_11882_EQUATION_OLE10NATIVE indicates that this document contains a malicious payload exploiting the Equation Editor vulnerability. The presence of an OLE object containing Equation Editor data further supports this finding. The file is a malicious Office document designed to exploit this specific vulnerability for initial execution.
Heuristics 3
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Equation Editor Ole10Native payload — CVE-2017-11882 critical CVE likely CVE_2017_11882_EQUATION_OLE10NATIVEAn embedded Microsoft Equation 3.0 object (CLSID 0002CE02-0000-0000-C000-000000000046) carries an Ole10Native packager stream instead of the normal Equation Native/MTEF data. This is the weaponized Equation Editor RCE delivery shape used by CVE-2017-11882 / CVE-2018-0802 maldocs. The payload (font-record overflow + shellcode) is frequently encrypted and the stream name case-scrambled to evade scanners, but an Equation object holding an Ole10Native stream has no benign use.
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Equation Editor OLE object high OLE_EQUATION_EDITORContains Equation Editor object — related to CVE-2017-11882 / CVE-2018-0802 exploitation, but CLSID presence alone is not the malformed MTEF exploit primitive.
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x86 GetPC stub (CALL $+5; POP ECX) high SC_GETPC_CALLx86 GetPC stub (CALL $+5; POP ECX)
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
ole10native_00.bin89417daffd6284d7c9455ba6a6e7ac4eb6c80421997aafa0a6a27ce38a355613 |
ole-package | OLE Ole10Native stream: OLE10NaTIVE | 887355 bytes |
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