Office (OOXML) malware analysis — malicious · 398601a76356ce41

MALICIOUS

Office (OOXML)

307.6 KB Created: 2020-01-17 08:02:25 UTC Authoring application: Microsoft Office PowerPoint 14.0000 First seen: 2020-05-14

MD5: d0589fe4ab7b34200f900db4604a008d SHA-1: 21aa6973f7e81790c08fd97bc03d942e0760337f SHA-256: 398601a76356ce41070f947d345b13277b371f18dd8276a09b2c81deff5f36a5

100 Risk Score

Heuristics 3

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.
Embedded OLE object medium OOXML_OLE_OBJECT

Document contains an embedded OLE object
Suspicious extracted artifact medium 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.

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`ooxml_oleobject_00.bin`	ooxml-ole-object	OOXML embedded OLE part: ppt/embeddings/oleObject1.bin	443392 bytes
SHA-256: `297f032325d7b626ce33ec98bde9f11958d291f22f05fccea4366eff41e54d3a`
`ooxml_oleobject_00_ole10native_00.bin`	ole-package	OOXML ppt/embeddings/oleObject1.bin Ole10Native stream: Ole10Native	437515 bytes
SHA-256: `7e7b0bf66ba76698de531e5d8e60167b66bca3494ed298847445e0dcdfd7da20`
`ooxml_oleobject_00_ole10native_00_PDF.exe`	ole-package-payload	OOXML ppt/embeddings/oleObject1.bin Ole10Native payload: display_name=PDF.exe; full_path=C:\Users\ADMIN\AppData\Local\Temp\PDF.exe; temp_path=; def_file=	437248 bytes
SHA-256: `b5c303449f511fa1acc4658978f0c8a849ad7bddb46204f92ed7e0d224ef40c9`
Detection ClamAV: No threats found Obfuscation or payload: likely actual_type=PE; declared_or_context_type=PDF; filename=ooxml_oleobject_00_ole10native_00_PDF.exe; kind=ole-package-payload

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