RTF malware analysis — malicious · 3f3b85ba4c3bbd10

MALICIOUS

RTF

118.7 KB First seen: 2020-05-14

MD5: c6301452e844129382c71c163404a050 SHA-1: 28ac7e69a47565bff56b4f98b7bb499e8066e4db SHA-256: 3f3b85ba4c3bbd107ece4f9039ff7acad79bbec38a4509e6eec88aee7d8aa5d0

80 Risk Score

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
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off0000118c.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x118C	40916 bytes
SHA-256: `8077e89eb8552d4bd5337042f6115b3ba2b234ac120f7a4c5240621f7f5ce0bd`
Detection ClamAV: No threats found Obfuscation or payload: likely Static shellcode analysis found candidate code region(s). Indicators: SC_GETPC_CALL

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