Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 96c1866c600cfad9…

MALICIOUS

RTF / .DOC

11.0 KB First seen: 2022-04-12
MD5: 7c3e71ebe8f232ee6f1e00e03b46a1b4 SHA-1: 45c6960dd147d3ea235e7da30381e189f5f0ffd6 SHA-256: 96c1866c600cfad949efa72be8fb63db84dd160492e7320ce4912610364807d7
121 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

The RTF document contains OLE object data and uses \objupdate to force OLE activation, indicating an attempt to exploit OLE vulnerabilities. This mechanism is commonly used to deliver and execute malicious payloads. No document body or script content was available for further analysis, limiting the ability to determine the specific payload or family.

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 2 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00001849.bin
f43748c033c074bce66fa27c99dd472ea91585dc2cf5c63fd1c26a109cd7d2ff
rtf-objdata-decoded RTF \objdata at offset 0x1849 1372 bytes