Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 99dbc59fd73e0a6d…

MALICIOUS

RTF / .DOC

84.9 KB
MD5: 66bd170b70b943d1793c88faf984b53e SHA-1: cda6946b271c156168f408df60f7d873fb0c6225 SHA-256: 99dbc59fd73e0a6d85204f389dd88a1c286371c234aabf30c80df21af6c83194
60 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to embed and automatically activate an object. This is a common technique for delivering malicious payloads. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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_off000011c9.bin
6ff4031ef410725d3d83c7377ac5be3b7ffb8f4d4a26599a8d9905c0710a8835
rtf-objdata-decoded RTF \objdata at offset 0x11C9 4699 bytes