Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 26b0034f448fa1d6…

MALICIOUS

RTF / .DOC

10.6 KB First seen: 2023-04-25
MD5: 9e2a489a3af1b4d65449a68a1ce6357e SHA-1: f65f5d3539900429839bca9d5b78d3be141f3e93 SHA-256: 26b0034f448fa1d6c44d44225d93eb1fcb5131f35a3e0ce2e860f9b30be06b3d
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains OLE object data and a \objupdate directive, indicating an attempt to execute embedded content. This is a common technique for delivering malicious payloads. Without further analysis of the OLE object, the specific family and payload remain unknown.

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_off00001b00.bin
cc76a2465da49ab2d2488b92e8007c7f9daec2f758befb93fec27f0ca207c26e
rtf-objdata-decoded RTF \objdata at offset 0x1B00 1918 bytes