Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 1f36e11fa9b72d1c…

MALICIOUS

RTF / .DOC

3.8 KB First seen: 2022-12-05
MD5: cf22f4dd80e82c1274438fa47763eeaf SHA-1: 3b2ce3887a4c2ce644e6120666c1fd00592e52ff SHA-256: 1f36e11fa9b72d1cfcf0a65fe11febeae229f47e6dfe6d7e3a33f935e87b493a
60 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an \objupdate directive, indicating it is designed to trigger the execution of embedded malicious content when opened. This is a common technique for delivering second-stage payloads.

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_off00000073.bin
a20548117a43f136c2e683bd341128cecc454864db143f4a8fe7d090a19f6ba2
rtf-objdata-decoded RTF \objdata at offset 0x73 1865 bytes