Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 19ec7e7f9181a67f…

MALICIOUS

RTF / .DOC

62.5 KB First seen: 2023-02-01
MD5: a9082a2d2366c1bbb911679b4292869d SHA-1: ab1087694cf5cda56a509fab931b5e9f3ca63e79 SHA-256: 19ec7e7f9181a67f3571435811163ba3442e1eff65455cdd559ee4c8e757a419
80 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an instruction to enable editing and content, indicating a lure to execute embedded malicious content. This is a common delivery mechanism for macro-based malware, though 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_off000001ea.bin
c3a0ba5c881d9d9077acb02f648fe938688337b00aba844ec4c321aaa2671536
rtf-objdata-decoded RTF \objdata at offset 0x1EA 4668 bytes