RTF malware analysis — malicious · b202cf94d5826501

MALICIOUS

RTF

3.0 KB First seen: 2023-08-02

MD5: 5eb9c9a21c4a8d51185ef2e84642671f SHA-1: ef7a99446a09b81980e5c453b7ccfb380f2e4857 SHA-256: b202cf94d5826501e30f97b68b9137c34ffd7b058687ccde7a6f5fa8c50df6be

80 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF file contains embedded OLE object data, and a heuristic indicates that \objupdate forces OLE activation. This suggests the file is designed to exploit a vulnerability in OLE object handling to execute arbitrary code upon opening. The embedded object data is likely a malicious payload.

Heuristics 3

\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
Embedded OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off0000008a.bin` `807c916115b68d82bad87b8845dea29ef8c4b9d9caac219f77e369da2e20c828`	rtf-objdata-decoded	RTF \objdata at offset 0x8A	1434 bytes

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