RTF malware analysis — malicious · 9893592b2f53506b

MALICIOUS

RTF

52.5 KB First seen: 2019-05-16

MD5: 7a14db9ac3c3c6978cbba304e8985ee0 SHA-1: fee8a6baf350a72d954d351df299998b5ba6799d SHA-256: 9893592b2f53506b50e3a5dbd1ba2e8f978ef6552a5fb38ad0dc5e1ce46910f2

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The RTF file contains heuristics indicating the presence of embedded OLE objects that are automatically linked and updated. This suggests the file is designed to exploit vulnerabilities or trick the user into activating embedded content, likely leading to the execution of a secondary payload. The lack of readable document body text or scripts makes it difficult to determine the exact nature of the payload or its intended purpose.

Heuristics 3

Automatically linked OLE object high RTF_OBJAUTLINK

RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
\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_off0000003f.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x3F	4139 bytes
SHA-256: `f52849380e27c591462a6ab82ab61cc25c1b7e65ea7fed99f5d2e0a064f97323`

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