MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1559.002 Component Object Model Hijacking
T1204.002 Malicious File
The sample is a Microsoft Word document containing an embedded Equation Editor object. Static analysis detected the presence of a payload associated with the CVE-2017-11882 vulnerability within this object. This indicates the document is designed to exploit this known flaw to deliver a malicious payload.
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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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
ole10native_00.binc51b60234185e63f62e56d8ecd993f9f8d9c7e881eab25abdaf745cf9a305f20 |
ole-package | OLE Ole10Native stream: oLe10nATive | 1710914 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact entropy is 7.99, consistent with packed or encrypted content.
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