Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 ccfc917ce4d7b360…

MALICIOUS

RTF / .DOC

450.7 KB
MD5: a1b9d2046f94ce454b0d587d088c240b SHA-1: c56d787082a6217a156f1cd9371c3afa9a204939 SHA-256: ccfc917ce4d7b360d2602f30e8ac6b091c6268fc082e2ee1b7c23d8c73fbe1a1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1566 Phishing T1566.001 Phishing: Spearphishing Attachment T1059 Command and Scripting Interpreter T1059.005 Command and Scripting Interpreter: Visual Basic

The RTF document contains OLE object data and is configured to automatically update and activate OLE objects, indicating an attempt to execute embedded content. The document body provides a lure, instructing the user to 'enable editing' which is a common technique to bypass macro security settings. This suggests the document is designed to trick the user into enabling malicious macros or scripts that would likely download and execute a second-stage payload.

Heuristics 4

  • 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 1 \objdata section(s) — embedded OLE objects
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00017210.bin
51c75e8bed2357c660aa5c32c978b87d1cd30e9719ff82e5dc94f6318438f234
rtf-objdata-decoded RTF \objdata at offset 0x17210 1670 bytes