Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 5327a0e56644c5f1…

MALICIOUS

RTF / .DOC

3.3 KB First seen: 2022-12-12
MD5: 936c1a9be3f01e9fcad7ad7f5dc3604d SHA-1: 3b95fa4bd35468eb9a4e584b9a64ecf901e55e14 SHA-256: 5327a0e56644c5f126ac8b607cbbe140aec0e7f054a44e8b3d835750ffa83cc3
60 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to exploit a vulnerability to activate embedded objects. This is a common technique for delivering malicious payloads. 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_off0000007e.bin
a92dcde0a817243cc67dd932532921882ea61c8c48ddc9ec6f41a7d1456c21f5
rtf-objdata-decoded RTF \objdata at offset 0x7E 1562 bytes