Malicious RTF — malware analysis report

Static analysis result for SHA-256 58e30d38c45d6438…

MALICIOUS

RTF

8.7 KB Authoring application: Msftedit 5.41.21.2509 First seen: 2015-09-30
MD5: 9cd797287c4fede66f58ee7070a977d3 SHA-1: 0e52f7fa1e4c6fe5fe5044477b26cc1efaf90fbf SHA-256: 58e30d38c45d6438633ab5166cc07e48d608fcb01746bdc3707d1d2b0393ffd1
140 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The RTF file contains an embedded OLE object, identified as a package object. Static analysis detected the EICAR test signature within this object, which is a standard method for testing antivirus software. This strongly suggests the file is intended to be malicious.

Heuristics 4

  • ClamAV: Eicar-Test-Signature critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Eicar-Test-Signature
  • Package object class high RTF_OBJCLASS_PACKAGE
    OLE Package object — can wrap arbitrary files
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000000ec.bin rtf-objdata-decoded RTF \objdata at offset 0xEC 458 bytes
SHA-256: de98f410988e20805ef30bc0502188283b76720a3d1175de3f7c2276b8537403

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