Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 5821d2a1ada0bc10…

MALICIOUS

RTF / .DOC

8.5 KB First seen: 2023-01-09
MD5: 1f7719cf05b01896ddfe6470dfd0a117 SHA-1: 85c8a31164eab9972500f49f312a480188296d2c SHA-256: 5821d2a1ada0bc1061f92237b6d0ccbc0346985054fa67d3ff38781709f8d3b7
80 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an \objupdate directive, indicating it's designed to activate embedded content. The document body includes a lure instructing the user to enable editing, a common tactic for macro-based malware delivery. No scripts were extracted, and 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_off000010fe.bin
80e5280068d657615a892a73e4c1f030628147fde11ef52425b7f53b33f551ee
rtf-objdata-decoded RTF \objdata at offset 0x10FE 2114 bytes