MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The critical heuristic firing for CVE_2017_11882_EQUATION_OLE10NATIVE indicates the presence of a known exploit within an Equation Editor OLE object. This exploit is commonly used to execute arbitrary code, likely to download and run a second-stage payload. The document body was unreadable, but the exploit itself is sufficient evidence of malicious intent.
Heuristics 2
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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.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
ole10native_00.bin7f727ad31957af09a8b31ce11cf04788d6fd84a2bd7c6d85007e8e0c3f4ee9c5 |
ole-package | OLE Ole10Native stream: olE10NAtivE | 920996 bytes |
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