RTF malware analysis — malicious · 5348206a0699cb27

MALICIOUS

RTF

136.5 KB Created: 2018-05-07 First seen: 2021-02-23

MD5: a395ddb85a1b3519fe4d5e00ab61d527 SHA-1: 759b8f8fb729498e63c5b20709e1b73d3a317a8a SHA-256: 5348206a0699cb27954e20eb3c48f23bb5d51fff05d250c732df341376c7caa2

202 Risk Score

Heuristics 5

ClamAV: Doc.Dropper.Agent-6412232-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Agent-6412232-1
\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 2 \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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00002c0c.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x2C0C	33339 bytes
SHA-256: `24ef5c4529992bfc204bab22a0f1e39f70514963a7c436ab56fe008c8417ec31`
Detection ClamAV: Doc.Dropper.Agent-6412232-1 Obfuscation or payload: unlikely
`objdata_01_off00018b24.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x18B24	19157 bytes
SHA-256: `d4bf7dd79ce883f7366b918523829802b0a105505d3723671eeb70c80469e1f0`

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