Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 35a3f2335857ee9d…

MALICIOUS

RTF / .DOC

189.5 KB First seen: 2023-02-01
MD5: 6daf6989daa32f5fa2491924a9ef4f3c SHA-1: 724b8db880e69da3cc899d0dbd488dd86c91a86c SHA-256: 35a3f2335857ee9d094f3942adcb798f2add86ff6582539448da24cd47cc9070
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 automatically activate embedded OLE objects. This technique is commonly used to deliver and execute malicious 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_off00000075.bin
ac0c11ff6bcb7361e028025083e2fbfa56e0876759806dc5d4664c96a80eae86
rtf-objdata-decoded RTF \objdata at offset 0x75 64191 bytes