Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 5f4262895af5dd19…

MALICIOUS

RTF / .DOC

10.9 KB
MD5: 7a0d772b58f95463695f805bef9c56c8 SHA-1: 25c621df8a9bc3016daa082f015341377ab939c8 SHA-256: 5f4262895af5dd199231abac993346e14b407fb53f47a4b2e81fde40a864ad48
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to exploit a vulnerability for client execution. The embedded OLE object, objdata_00_off000004f1.bin, is likely a malicious payload or a downloader. The lack of document body text or scripts prevents a more specific analysis of the attack's intent.

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 2 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000004f1.bin
9aecf1268a1d09ee28a67a11a4086c847cf8de4df7fa10364df175d539d4408a
rtf-objdata-decoded RTF \objdata at offset 0x4F1 1491 bytes