Win.Trojan.Elpapok-1 — RTF malware analysis

Static analysis result for SHA-256 1bcbb63291d5d02e…

MALICIOUS

RTF

10.1 KB First seen: 2021-06-20
MD5: 7cc40cfb97e26aa3339bd731e00dbbec SHA-1: a8bda547de788cb9a7469741d9d5a3593c046e81 SHA-256: 1bcbb63291d5d02e23cf906ae22881c18fc34e4ff5b957d602fd03c7d32faa32
180 Risk Score

Malware Insights

Win.Trojan.Elpapok-1 · confidence 95%

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains OLE object data and triggers heuristics for CVE-2012-0158, indicating exploitation of a vulnerability in Microsoft Common Controls. ClamAV detections confirm this is a known trojan, likely Win.Trojan.Elpapok-1, which often involves executing embedded shellcode.

Heuristics 3

  • MSCOMCTL.ListView — CVE-2012-0158 high CVE related CVE_2012_0158
    RTF \objdata decodes to OLE data containing the MSCOMCTL.ListView — CVE-2012-0158 CLSID — the vulnerable control/moniker is embedded directly in the document's object stream, the delivery shape of this exploit. RTF objects auto-render when Word opens the file.
  • ClamAV: Win.Trojan.MSShellcode-6360729-4 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.MSShellcode-6360729-4
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000000a0.bin rtf-objdata-decoded RTF \objdata at offset 0xA0 5065 bytes
SHA-256: a67bfa724bc8a8ce1ea73a8acdccda9bd29a5368f8e91e7011de0039440f420d
Detection
ClamAV: Win.Trojan.MSShellcode-6360729-4
Obfuscation or payload: unlikely

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