Malicious RTF — malware analysis report

Static analysis result for SHA-256 1507f5ecfdc99551…

MALICIOUS

RTF

691.4 KB Created: 2018-05-21 23:41:00 First seen: 2021-02-23
MD5: 04850eb15c734d5060ba36b6dd6b40ae SHA-1: 6275a8aadf1f0f1b4a6ec0d9491462e3fd94f945 SHA-256: 1507f5ecfdc99551d6b5d43c35463ada7c128c457d2173a22f1d294f19ab9c2d
202 Risk Score

Heuristics 5

  • ClamAV: Doc.Dropper.Agent-6412232-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-6412232-1
  • \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 10 \objdata section(s) — embedded OLE objects
  • Embedded OLE object medium RTF_OBJEMB
    RTF contains \objemb — embedded OLE object
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.microsoft.com/office/word/2003/wordml In RTF body

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000065cf.bin rtf-objdata-decoded RTF \objdata at offset 0x65CF 21051 bytes
SHA-256: 8ca9a5c2eba9057104c8d56e816b02f758585d3e354c0419d769b78b43867b22
Detection
ClamAV: Doc.Dropper.Agent-6412232-1
Obfuscation or payload: unlikely
objdata_04_off00045f25.bin rtf-objdata-decoded RTF \objdata at offset 0x45F25 21051 bytes
SHA-256: 4623855f4ade3741084265cf3819bbe8782b46b245fa9a6cf5eec2181415ba81
Detection
ClamAV: Doc.Dropper.Agent-6412232-1
Obfuscation or payload: unlikely
objdata_09_off0009571d.bin rtf-objdata-decoded RTF \objdata at offset 0x9571D 21051 bytes
SHA-256: 23eea7c8bf12b1bcf5624f48077efb4d6e4456b74f1e42e92588a6bb5dfc81ae
Detection
ClamAV: Doc.Dropper.Agent-6412232-1
Obfuscation or payload: unlikely