Malicious RTF — malware analysis report

Static analysis result for SHA-256 e0a2cbc7d7a85cf4…

MALICIOUS

RTF

256.0 KB Created: 2018-07-13 13:08:00 First seen: 2021-02-23
MD5: 84fd2dc16eb03a0ea2a09db618c1f914 SHA-1: 3387e6dc19c935dec474daf4afcbfd1c18fd2d60 SHA-256: e0a2cbc7d7a85cf41ffcb4bed96d181d3a177dc54ea2f6ffc275b838fc3e04e2
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 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.

FilenameKindSourceSize
objdata_00_off00003c2b.bin rtf-objdata-decoded RTF \objdata at offset 0x3C2B 24635 bytes
SHA-256: 160eadfab9768c09edaf7ca974d37eb7063f2d1e07e9e9825dc7e2e99a39973f
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: 25941148389e97a39228f954d32b00f549e088844e535ad09416a479ca076e40
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: f88a3b481e39904b66ee34586efbf0bea9974f4c11b415a564507a8c2eea5e0d
Detection
ClamAV: Xls.Malware.Sload-7135989-0
Obfuscation or payload: unlikely
objdata_03_off000384f1.bin rtf-objdata-decoded RTF \objdata at offset 0x384F1 15626 bytes
SHA-256: b25d62df00a849b5f78056acd2e5533fa9f0de6ebb60098d19cd76cf52594370