RTF malware analysis — malicious · dad4f92b7d378f6b

MALICIOUS

RTF

27.4 KB First seen: 2023-05-18

MD5: 01c2fe220d602996255a3760b10a1219 SHA-1: 3bf4b17612698c2529e632f420e6419edbf59dcd SHA-256: dad4f92b7d378f6bd914689cd5a4014486a817d4e0be057e9fc52483cf57dfb4

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment

The RTF file contains embedded OLE objects, indicated by the RTF_OBJDATA and RTF_OLE10NATIVE_STREAM heuristics. The RTF_OBJUPDATE heuristic suggests that these objects are designed to be activated automatically, which is a common technique for executing embedded malicious code. The file's SHA256 hash is provided as a primary indicator.

Heuristics 3

Ole10Native stream in RTF OLE object high CVE related RTF_OLE10NATIVE_STREAM

RTF contains an embedded OLE object with an Ole10Native stream. This is a strong payload-container signal and is related to Word/OLE exploit delivery, but it is not specific enough on its own to assign a CVE.
\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_off000019ed.bin` `e51967e7f73f34b8bae13c0089cc692801488d63a6b9305a1454a1dc9e9c8738`	rtf-objdata-decoded	RTF \objdata at offset 0x19ED	4191 bytes

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