Win.Trojan.Clicker-3800 — RTF / .DOC malware analysis

Static analysis result for SHA-256 4acb30eb4f739a66…

MALICIOUS

RTF / .DOC

76.1 KB Authoring application: Msftedit 5.41.15.1515
MD5: a47104107e6202a5da46022d3f268bd3 SHA-1: 088289c157b761dc839c51d2e237da7e93b9440e SHA-256: 4acb30eb4f739a66fd38f3eee87a656514a0507ce34fdfab8bfe380c84a044a0
262 Risk Score

Malware Insights

Win.Trojan.Clicker-3800 · confidence 95%

MITRE ATT&CK
T1559.002 Component Object Model Hijacking T1027 Obfuscated Files or Information

The RTF document contains embedded OLE object data which decodes to a PE executable file. ClamAV signatures confirm this is Win.Trojan.Clicker-3800. The presence of the PE header within the RTF's hex data and the OLE object class strongly indicate that the document is designed to deliver and execute a secondary payload.

Heuristics 7

  • PE header (with DOS stub) in hex data critical RTF_MZ_HEX
    Hex-encoded PE (MZ + DOS stub) found inside RTF — likely an embedded executable payload
  • ClamAV: Win.Trojan.Clicker-3800 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Clicker-3800
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • Package object class high RTF_OBJCLASS_PACKAGE
    OLE Package object — can wrap arbitrary files
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects
  • Embedded OLE object medium RTF_OBJEMB
    RTF contains \objemb — embedded OLE object
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000000cf.bin
27722682201853b2e75c049567adc53885e6b72d913c281e0ed1870a6de49cfb		 rtf-objdata-decoded RTF \objdata at offset 0xCF 34112 bytes
Detection
ClamAV: Win.Trojan.Clicker-3800
Obfuscation or payload: likely
Carved artifact entropy is 7.41, consistent with packed or encrypted content.

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