Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 50ea7e3682a7b510…

MALICIOUS

RTF / .DOC

752.2 KB Authoring application: Msftedit 5.41.15.1515
MD5: 8637de20c234037a76eefc12ace8ec3c SHA-1: c9a507d799bf2cf7fd23496774de0254f5e8b17b SHA-256: 50ea7e3682a7b51036a86146a3288159b7f9cd66296bc31fd6ff954011e5c57b
260 Risk Score

Malware Insights

MITRE ATT&CK
T1559.001 Component Object Model T1204.002 Malicious File

The RTF document contains an embedded OLE object that is identified as a PE executable. This strongly suggests the file is a dropper designed to extract and execute a secondary payload. ClamAV signatures confirm the malicious nature of the embedded artifact.

Heuristics 6

  • 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.Virus.Induc-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Virus.Induc-2
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000000d1.bin
47dc708db5b5a290daccb76351a22fdf50c4d1aa2c29f68894f900f65f69dab6		 rtf-objdata-decoded RTF \objdata at offset 0xD1 375152 bytes
Detection
ClamAV: Win.Virus.Induc-2
Obfuscation or payload: unlikely

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