Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 b821af1601404582…

MALICIOUS

RTF / .DOC

76.1 KB
MD5: 550c7bf93c92d24fc9aa90983b370f35 SHA-1: f76cb2cb386db9ed0530f988124aff97b9f2e5bc SHA-256: b821af160140458283dfcfa9c43ecfb97def0d2ada7844877fcfca75c033294a
60 Risk Score

Malware Insights

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

The RTF document contains embedded OLE object data and triggers an \objupdate event, 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 attachment designed to compromise the user's system.

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_off00001387.bin
a429c2149ea56046803f6e866c7a4690f4f4ead64fb068150894271d8ac7ab78
rtf-objdata-decoded RTF \objdata at offset 0x1387 4192 bytes