RTF malware analysis — malicious · d530af1f001e96e1

MALICIOUS

RTF

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

MD5: dec678490679bc8cf0884ac2b99da070 SHA-1: e37ed4f5648d593d2ec1073b6e896c2eb4d39f08 SHA-256: d530af1f001e96e1a0da0bcdd59740583320d3f05e84fc375fd2d4519bca2c5f

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 4 \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 4

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	33339 bytes
SHA-256: `98c5ad5b4401507508646a44d2e8add2e21740ee576fdafa84938d1153f7dae3`
Detection ClamAV: Doc.Dropper.Agent-6412232-1 Obfuscation or payload: unlikely
`objdata_02_off0002ea3c.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x2EA3C	33339 bytes
SHA-256: `7422c50351d91df75a4143b24cd3b1735250d86a40e9c9ded5270af0b7c758e7`
Detection ClamAV: Doc.Dropper.Agent-6412232-1 Obfuscation or payload: unlikely
`objdata_03_off00044954.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x44954	33339 bytes
SHA-256: `c2e14792ce48289e0c129a89e9a024cdde5d694a933910ec03ea60a0ec538e45`
Detection ClamAV: Doc.Dropper.Agent-6412232-1 Obfuscation or payload: unlikely

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