Rtf.Dropper.Agent-7701865-0 RTF malware analysis — malicious · a46692e10998e778

MALICIOUS

RTF

196.6 KB First seen: 2020-05-25

MD5: 030677deb2a673d2cf85545887fc744e SHA-1: 1f5be498b6296dffbc519cf0d2632e37ad4a2cdb SHA-256: a46692e10998e778e0dea44828ce17a0a41593e8b85058f2f99c85ddf123364d

160 Risk Score

Malware Insights

Rtf.Dropper.Agent-7701865-0 · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The RTF file contains embedded OLE objects and utilizes an \objupdate directive, indicating an attempt to execute embedded content. ClamAV detection confirms this as a dropper, likely designed to download and execute a secondary payload. The specific ClamAV signature suggests a known dropper agent.

Heuristics 4

Ole10Native stream in RTF OLE object high CVE related RTF_OLE10NATIVE_STREAM

RTF contains an embedded OLE object with an Ole10Native stream. This is a strong payload-container signal and is related to Word/OLE exploit delivery, but it is not specific enough on its own to assign a CVE.
ClamAV: Rtf.Dropper.Agent-7701865-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Rtf.Dropper.Agent-7701865-0
\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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000015f0.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x15F0	61311 bytes
SHA-256: `d1aad2be439ee169dde0f1c60a70886dd18dc691ff5584374f7f8983d443f3c5`

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