Malicious RTF — malware analysis report

Static analysis result for SHA-256 172d154f8de9a6c6…

MALICIOUS

RTF

596.0 KB First seen: 2024-07-30
MD5: 77938865185666c36c502a33a3762d52 SHA-1: 450141e3015340defe2d7c7f56be0ced4290d331 SHA-256: 172d154f8de9a6c627cb2773b8fd7d19fe4c36691727e05510b4c21427f1f0b8
80 Risk Score

Malware Insights

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

The RTF file contains OLE object data and an \objupdate directive, indicating it's designed to activate embedded objects. The document body employs a social engineering lure related to financial auditing to trick the user into enabling editing, a common tactic for macro-based malware droppers. No specific scripts or URLs were extracted, limiting further analysis of the payload.

Heuristics 3

  • \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_off00049dcc.bin
dc93f79646ac91a7bba3f7a894bf785d30a3d91538f1eaaf0dfb2483a68a43f0		 rtf-objdata-decoded RTF \objdata at offset 0x49DCC 1875 bytes

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