Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 bc858ccedadeae5b…

MALICIOUS

RTF / .DOC

53.3 KB
MD5: 37ed6b57d45d4620837ead9fe3010bb7 SHA-1: 58936c06dcefc82f943e1ce5652a64deaf35556b SHA-256: bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259
60 Risk Score

Malware Insights

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

The RTF document contains OLE object data and triggers an \objupdate event, indicating an attempt to exploit a vulnerability associated with OLE object activation. This suggests the document is designed to deliver a malicious payload when opened. No specific malware 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_off00000a49.bin
43243f037726e75a5fb4efc11b7b63cea5b344ebffa68ccc57ba41c35b7e9744
rtf-objdata-decoded RTF \objdata at offset 0xA49 1994 bytes