Win.Trojan.Elpapok-1 — RTF malware analysis

Static analysis result for SHA-256 fdc92d3a4b7c0ab0…

MALICIOUS

RTF

10.1 KB First seen: 2015-10-01
MD5: d2f8f1b663ccea18e588b45dfb3b13d4 SHA-1: 4e909d217f9f98efd1ba7b031806a604fb7e53ab SHA-256: fdc92d3a4b7c0ab091a3e26489da6e19b126235d1ff6b0a36b8aee3fc053abf3
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.Elpapok-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Elpapok-1
  • 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: f443784a7ad62cca8168feb70c15606bc9cd4bd40e32c25a2848b04fc31f2461
Detection
ClamAV: Win.Trojan.MSShellcode-6360729-4
Obfuscation or payload: unlikely