RTF malware analysis — malicious · 8fbc5a54150922ae

MALICIOUS

RTF

1.95 MB Created: 2019-09-17 13:59:00 First seen: 2020-05-14

MD5: 9624ba0cd80b3e412d92532218a4cfff SHA-1: e80d278064a306e23e367158cd67e02757a9ad8a SHA-256: 8fbc5a54150922aef7fbc914fe72cd663bc23bf0a33eb4c8659cd79d53d6cd9b

102 Risk Score

Heuristics 5

\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
Embedded OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off001e28dc.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x1E28DC	1350 bytes
SHA-256: `5fbed847876d344ab000296de887547e3c39ee43c5887deaa3b30ffd0d9ef96a`
Detection ClamAV: No threats found Obfuscation or payload: likely Static shellcode analysis found candidate code region(s). Indicators: SC_STR_LOADLIBRARY, SC_STR_URLDOWNLOAD, SC_PEB_ACCESS Static shellcode analysis recovered API/import strings: LoadLibraryW, GetProcAddress, URLDownloadToFileW, ExitProcess

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