Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 ea54e01bf0a21817…

MALICIOUS

RTF / .DOC

12.1 KB
MD5: 6d7771477ddac6b4df383330efea9a2d SHA-1: 55a3794e1cd4109ca64306fe2d2dd932ea740050 SHA-256: ea54e01bf0a218173b915510571b7aa7281bec8f07b7d843071212e48fa907cf
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

The RTF document contains OLE object data and triggers automatic updates and activation of these objects, indicating an attempt to exploit vulnerabilities. The heuristics suggest that the embedded OLE objects are designed to be automatically executed upon opening the document. This is a common technique for delivering secondary payloads, such as malware downloaders or exploit kits.

Heuristics 3

  • Automatically linked OLE object high RTF_OBJAUTLINK
    RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
  • \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 2 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00000b20.bin
f820095f965b5e00ca04fc671794562279c5aeeff53994110fcd0ddd7c738472
rtf-objdata-decoded RTF \objdata at offset 0xB20 1579 bytes