RTF malware analysis — malicious · 8049ad109705d775

MALICIOUS

RTF

990.4 KB Created: 2020-03-22 17:37:00

MD5: efd6566d41add0defe839eac60ca8203 SHA-1: 0d5ed5f114c935046c59dc19c2366e97cb8ce483 SHA-256: 8049ad109705d775aef9fceb4c6624ff3602a1a2c51afae17ca9356d3b21e6c2

80 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains embedded OLE object data and an \objupdate directive, indicating it is designed to exploit OLE object activation to execute arbitrary code. The presence of an embedded OLE object strongly suggests a malicious intent to deliver a payload. No scripts were extracted from this sample.

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/2003/wordml

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off0000992f.bin` `e08f3e9735ac3fd67894ec51742decb1ee71caab63e3af5b3b0c4805eaee3e7a`	rtf-objdata-decoded	RTF \objdata at offset 0x992F	118042 bytes

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