Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 4a25856a07811127…

MALICIOUS

RTF / .DOC

8.5 KB
MD5: c442eddb89f85c2c9aca3a7155413b0e SHA-1: 36b582b33c8633b9ca6d1c3eb3e73dc42abac1ba SHA-256: 4a25856a07811127b8f1b492abc00f953572f0c6bee4e5c1056c0af93528ca68
80 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 is configured to trigger an update, indicating an attempt to exploit a vulnerability. The heuristics suggest that this is likely an attempt to exploit OLE object handling to execute arbitrary code. No specific malware family could be identified.

Heuristics 3

  • \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
  • Embedded OLE object medium RTF_OBJEMB
    RTF contains \objemb — embedded OLE object

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00001266.bin
b4d4a477a9069b6ae9a82355e640941226c483dbcae185272ec5873937c80603
rtf-objdata-decoded RTF \objdata at offset 0x1266 1443 bytes