RTF malware analysis — malicious · 34ddcf76eaab0ce9

MALICIOUS

RTF

1.25 MB Created: 2019-09-17 13:59:00

MD5: 478f10e0783a32a7a31258ec48752661 SHA-1: fa243c063ffeee90057a8eb0427adaa018f96280 SHA-256: 34ddcf76eaab0ce9d00cc121ada77e5c2b8ad4a89475a20839ab2f7971d1ca80

80 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF file contains embedded OLE objects that are configured to auto-activate via \objupdate. This suggests an attempt to exploit OLE object handling to execute arbitrary code. No specific malware family could be identified, and the document body was unreadable, limiting further analysis of the exact payload or lure.

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 1 \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/2{\4\G\G\G\G\G

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off0012abfd.bin` `f2a2a59d513d531923ad5159c19bdff7a6e83aee73e6fdcee54f1399147bc7d7`	rtf-objdata-decoded	RTF \objdata at offset 0x12ABFD	1435 bytes

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