Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 1e553bc65d767b00…

MALICIOUS

RTF / .DOC

3.3 KB First seen: 2023-01-13
MD5: b257091625b5b040a5808460693b7f9d SHA-1: dccbd982b068faaf1ed0dbcc6e950c45131b971b SHA-256: 1e553bc65d767b00782c9bfafe1407516b454d1c45a741e6603c20ce9418b9ff
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains an OLE object with ".objdata" and ".objupdate" sections, indicating an attempt to embed and activate an object that likely exploits a vulnerability. The presence of these specific RTF directives strongly suggests a malicious intent to execute code upon opening.

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.

FilenameKindSourceSize
objdata_00_off00000078.bin
133518012f62f48bf6de34c69b789a6230941c62d144ef867e4dc185b2010be6
rtf-objdata-decoded RTF \objdata at offset 0x78 1564 bytes