RTF malware analysis — malicious · 4402d9649b76a3a9

MALICIOUS

RTF

3.42 MB Authoring application: Msftedit 5.41.15.1507 First seen: 2012-07-06

MD5: 060bf62bad7369e725a5249c901df904 SHA-1: 979d310fe49cee7435aff0d6c8e822528b0c642d SHA-256: 4402d9649b76a3a94f5521062d5e7043ed6c73f8945ff85d2cf05e5efed67a85

200 Risk Score

Heuristics 6

PE header (with DOS stub) in hex data critical RTF_MZ_HEX

Hex-encoded PE (MZ + DOS stub) found inside RTF — likely an embedded executable payload
Package object class high RTF_OBJCLASS_PACKAGE

OLE Package object — can wrap arbitrary files
Large hex data blocks in OLE object high RTF_EXCESSIVE_HEX

RTF contains ~3577KB of hex-encoded data inside \objdata sections — may hide a payload
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000000d1.bin`	rtf-objdata-decoded	RTF \objdata at offset 0xD1	1744140 bytes
SHA-256: `d670a3e2a50c84058f7dd252fe994efcb15a2fa3d3d7ccab8ca3b3a0bd8bfcbd`
Detection ClamAV: No threats found Obfuscation or payload: likely Static shellcode analysis found candidate code region(s). Indicators: SC_GETPC_CALL Carved artifact entropy is 7.81, consistent with packed or encrypted content.

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