Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 d328c4b5c9da5a71…

MALICIOUS

RTF / .DOC

94.3 KB
MD5: 6ed964604445c0815f6ffd4a23282f79 SHA-1: b03801c97db0e7e4257a1be7fc5497c81a5c86ee SHA-256: d328c4b5c9da5a7142f7170a87a8af1e55feeb5828350eb980681ea988f4eceb
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The file is an RTF document containing OLE object data and an \objupdate directive, indicating it's designed to embed and activate external content. This strongly suggests a malicious intent to exploit OLE vulnerabilities or deliver a payload upon opening. No specific family could be identified from the available heuristics.

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_off00001c6c.bin
b39bb9f61970c97a0bd898d93437986eb75e5d9da54dbf36044dce452555cdc8
rtf-objdata-decoded RTF \objdata at offset 0x1C6C 4261 bytes