Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 75b2491620e3a18f…

MALICIOUS

RTF / .DOC

429.0 KB
MD5: 5ead6050fa77d4d44b29ddc70f861a81 SHA-1: 0ce18e008244267259d4cb0864b0c5f95aa7002a SHA-256: 75b2491620e3a18ff8f25faf1d010a0fcf0da41854a81ae3be6b4657f0fed226
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF document contains OLE object data and an \objupdate directive, indicating it attempts to exploit OLE activation to execute embedded content. This is a common technique for delivering secondary payloads. No specific family could be identified from the available evidence.

Heuristics 2

  • \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.

FilenameKindSourceSize
objdata_00_off00000e4a.bin
cbd24a0c85948d8b92b107cd9561e6bcc41f73c1a4b0b51c15d273895460fe6b
rtf-objdata-decoded RTF \objdata at offset 0xE4A 1981 bytes