Malicious RTF — malware analysis report

Static analysis result for SHA-256 5a08a4da2693e596…

MALICIOUS

RTF

323.3 KB Created: 2019-02-22 First seen: 2020-12-25
MD5: 31e8d7a8b95e0d42a73cd7067971385b SHA-1: b37d0ac6c89120022f974be25fcd9f536ab6082d SHA-256: 5a08a4da2693e596659cee114453b959ddfc1e909441d348b4729ee6898d4709
82 Risk Score

Heuristics 4

  • \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 5 \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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00002cf8.bin rtf-objdata-decoded RTF \objdata at offset 0x2CF8 17467 bytes
SHA-256: 513694840da3b8b6cc497e2c9a894cb1bb0ee24a5be1cbc41b1937130b66df48
objdata_01_off00010eef.bin rtf-objdata-decoded RTF \objdata at offset 0x10EEF 17467 bytes
SHA-256: 29c7c919c82fa43f10cd291bc174397a8f8b8c89e54b4bab9684c7746609fb53
objdata_02_off0001f0e6.bin rtf-objdata-decoded RTF \objdata at offset 0x1F0E6 17467 bytes
SHA-256: 9c7029e5d4aa3e2bf5eb923b91cada3c394e3d5c7cba6cec5ba22880450406f2
objdata_03_off0002d2dd.bin rtf-objdata-decoded RTF \objdata at offset 0x2D2DD 17467 bytes
SHA-256: 2adb209a4906fc8d8e187e68d29a74e490608a41d53673c948e88f79e7bdbbc4
objdata_04_off0003b4d4.bin rtf-objdata-decoded RTF \objdata at offset 0x3B4D4 17467 bytes
SHA-256: a42ba869c9d0c5452f3222c3264f1eb20ddd07785d1f878c800561bbaf3e78a4