RTF malware analysis — malicious · de3d52583bd45a99

MALICIOUS

RTF

5.2 KB First seen: 2020-08-25

MD5: a685394391bbffe16215a96e0526e8b1 SHA-1: 014e37a337a4b481c358d2b6f3108555cc6828de SHA-256: de3d52583bd45a994f9dfc7687afb83f29b5506ef618e2fc62dcde812c252c8b

60 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF file contains an embedded OLE object with an \objupdate directive, indicating an attempt to exploit a vulnerability for client execution. The presence of OLE object data suggests the file is designed to trigger an exploit when opened. Given the malicious verdict and exploit indicators, it is likely delivered as a spearphishing attachment.

Heuristics 2

\objupdate forces OLE activation high RTF_OBJUPDATE

RTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
OLE object data medium RTF_OBJDATA

RTF contains 1 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000002f2.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x2F2	2111 bytes
SHA-256: `5e2ef4df6f1a3f4c991ea8aaeed260ac6441eeb2303614a493993dfa8a16d6cc`

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