Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 fae9f6560aa01d38…

MALICIOUS

RTF / .DOC

4.2 KB First seen: 2023-02-20
MD5: e2624e0c9b0bc56f03aaede9623cec3c SHA-1: 67f194350b92589e87537bf6ccf3006e4a370b0e SHA-256: fae9f6560aa01d38586018b75adf289735c7760cf7f19cb93deb73d9ff5461fd
60 Risk Score

Malware Insights

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

The RTF document contains an OLE object with the \objupdate directive, indicating an attempt to trigger automatic activation of the embedded object. This is a common technique for exploiting vulnerabilities in older versions of Microsoft Office to execute arbitrary code. No specific family could be identified, and no further IOCs were extracted.

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_off0000006f.bin
261cb434a4e7c4ee728cd6c27d78551a18b6618d12315cbc5433a13fe21f69b8
rtf-objdata-decoded RTF \objdata at offset 0x6F 2034 bytes