Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 44df734e0038af02…

MALICIOUS

RTF / .DOC

3.6 KB First seen: 2022-10-11
MD5: ff7d323573c6ea172e9b31bb2713426b SHA-1: cebe7317457ccd80c39e1d0b076bad431eedac90 SHA-256: 44df734e0038af02960cbb49249a0e8d1fc3d76a0847811c2e5a5468b64c824b
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 an attempt to exploit a vulnerability when the object is activated. The specific exploit is not detailed, but the presence of these elements strongly suggests a malicious intent to compromise the user's system 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_off00000071.bin
4575fd106e860d6b72c721382312fce30434132f2736f2a7379d44183901572f
rtf-objdata-decoded RTF \objdata at offset 0x71 1714 bytes