Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 69fc0d775a7caf91…

MALICIOUS

RTF / .DOC

68.2 KB First seen: 2023-01-19
MD5: 994169d63d6ef31862b79ba27ef7a31c SHA-1: 65d536a487df690a2caeb76e8de0092a84af5702 SHA-256: 69fc0d775a7caf9158ea7641e50deedf6ea496a32e583c154337362210c4a4c5
80 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution

The RTF document contains embedded OLE object data and an instruction to 'Enable editing', indicating a lure to bypass security measures. The presence of \objdata and \objupdate heuristics strongly suggests that the embedded object is designed to execute automatically upon activation, likely leading to a secondary payload. No specific 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
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off0000583d.bin
f788da47f56e18cb9082c6456373cec26f5a04c2a9fd5ab01d8632f6383b9704
rtf-objdata-decoded RTF \objdata at offset 0x583D 1281 bytes