RTF malware analysis — malicious · 69603ee0410f4df6

MALICIOUS

RTF

368.0 KB Created: 2018-07-13 13:06:00 First seen: 2021-02-23

MD5: ebc77cfd3ff875ace467ef83133b83bd SHA-1: 0df47bcd9333c3fd000e2a55d938c9f1dbd62395 SHA-256: 69603ee0410f4df6ac2458935b69b7b78303d1720ca821ab190cab3b39dacd60

242 Risk Score

Heuristics 6

Composite Moniker in RTF OLE object high CVE related RTF_COMPOSITE_MONIKER_RELATED

RTF contains Composite Moniker CLSID in OLE object context, but no nearby scriptlet/SCT payload was confirmed. Treat as related moniker attack-surface evidence rather than proof of CVE-2017-8570 exploitation.
ClamAV: Xls.Malware.Sload-7135989-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Xls.Malware.Sload-7135989-0
\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 5 \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 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00003c2b.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x3C2B	24635 bytes
SHA-256: `1fc454c6b67088c681423efd6db1bd809e4a2eacca105ec7d49e824fbad928f7`
Detection ClamAV: Xls.Malware.Sload-7135989-0 Obfuscation or payload: unlikely
`objdata_01_off0001546d.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x1546D	24635 bytes
SHA-256: `13485c6318a45ce15a693bdee5f597bef6873c8199ac3621f1d871ae0872c5ee`
Detection ClamAV: Xls.Malware.Sload-7135989-0 Obfuscation or payload: unlikely
`objdata_02_off00026caf.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x26CAF	24635 bytes
SHA-256: `8be4c1d9e90cfcc79f50a95474a27c57ffa67216f03e8c305ec107b6947612a4`
Detection ClamAV: Xls.Malware.Sload-7135989-0 Obfuscation or payload: unlikely
`objdata_03_off000384f1.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x384F1	24635 bytes
SHA-256: `62c79188883e91899cd02f71bcc445e4de7ea3b698e5d9caad3b4d3819d3de8f`
Detection ClamAV: Xls.Malware.Sload-7135989-0 Obfuscation or payload: unlikely
`objdata_04_off00049d33.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x49D33	24635 bytes
SHA-256: `ce9e84437c64e25b69d8a5f60584517de07742438ee255a923bf841df4aa903c`
Detection ClamAV: Xls.Malware.Sload-7135989-0 Obfuscation or payload: unlikely

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