Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 4d66cc2c41134466…

MALICIOUS

RTF / .DOC

92.3 KB
MD5: 7e546f71acf223989555945572f2add2 SHA-1: 61769917e6b92b7c03b714b986e8798f46204cef SHA-256: 4d66cc2c4113446687348cf0b4d6f704051d7c818dbb71c0c7e05720676be87f
62 Risk Score

Malware Insights

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

The RTF document contains embedded OLE object data and uses an \objupdate directive, indicating an attempt to exploit a vulnerability. The presence of OLE object data suggests the document is designed to execute embedded code or exploit a vulnerability when opened. The specific exploit is not detailed, but the mechanism points towards a malicious document designed for initial access.

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_off0000209b.bin
db54dd70982cb5e92529fde39697e0e7d42af1d95a0ad707f81686373030552f
rtf-objdata-decoded RTF \objdata at offset 0x209B 4245 bytes