Win.Dropper.HawkEye-10021144-0 Office (OOXML) / .DOC malware analysis — malicious · 90f1e57eed8b718d

MALICIOUS

Office (OOXML) / .DOC

1.55 MB Created: 2023-05-10 07:14:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-05-10

MD5: ef436900f26198a0402619af86d78ba8 SHA-1: 6e85561e6fbaee82790a8953bb201c96023110b7 SHA-256: 90f1e57eed8b718d2a0553e5b43b7d51a995d8cd5482c90ae83097d34afb6804

244 Risk Score

Malware Insights

Win.Dropper.HawkEye-10021144-0 · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is identified as malicious by ClamAV as Win.Dropper.HawkEye-10021144-0. Static analysis indicates the presence of an embedded OLE object with indicators for exploitation, specifically referencing CVE-2026-21514. The document body contains a prompt to 'Click to Download Tracking Reference', suggesting a social engineering lure to initiate the download of a malicious payload.

Heuristics 7

OOXML Ole10Native with payload/link indicators — possible CVE-2026-21514 high CVE likely CVE_2026_21514

Office document contains embedded OLE (word/embeddings/oleObject1.bin) with Ole10Native plus executable, PE, or risky remote-link indicators. This is a likely CVE-2026-21514 exploitation shape.
Ole10Native package drops an auto-executable payload critical OFFICE_PACKAGE_RISKY_FILE

OLE Package displayName or fullPath ends in a directly auto-executable extension (a runnable binary or a script the default shell host runs on double-click). Embedding such a payload inside an Office document has no benign authoring use — it is a malware-delivery dropper.
ClamAV: Win.Dropper.HawkEye-10021144-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Dropper.HawkEye-10021144-0
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
Embedded OLE object medium OOXML_OLE_OBJECT

Document contains an embedded OLE object
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One 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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://schemas.openxmlformats.org/markup-compatibility/2006
- http://schemas.openxmlformats.org/officeDocument/2006/relationships
- http://schemas.openxmlformats.org/officeDocument/2006/math
- http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
- http://schemas.openxmlformats.org/wordprocessingml/2006/main
- http://schemas.microsoft.com/office/word/2006/wordml

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`ooxml_oleobject_00.bin` `5a0ee6884c6c8807bc50cef1eab632e4dc663a11f32855fdfda7ca8e9a8725d6`	ooxml-ole-object	OOXML embedded OLE part: word/embeddings/oleObject1.bin	1740288 bytes
Detection ClamAV: Win.Dropper.HawkEye-10021144-0 Obfuscation or payload: likely Carved artifact entropy is 7.43, consistent with packed or encrypted content.
`ooxml_oleobject_00_ole10native_00.bin` `c03bcb9b3bfd6d4daac23fdbe9b452df11247c8ad4c489025aead5075a48b31a`	ole-package	OOXML word/embeddings/oleObject1.bin Ole10Native stream: Ole10Native	1724121 bytes
Detection ClamAV: Win.Dropper.HawkEye-10021144-0 Obfuscation or payload: likely Carved artifact entropy is 7.50, consistent with packed or encrypted content.
`emf_00.emf` `713669417f3e750cd8b265ea4330fd50b5185756e210526122ad8457bb80af22`	ooxml-emf	OOXML EMF part: word/media/image1.emf	8256 bytes

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