Win.Trojan.Elpapok-1 — RTF malware analysis

Static analysis result for SHA-256 cfadcd2bca9495f9…

MALICIOUS

RTF

10.1 KB First seen: 2015-09-30
MD5: 83f6b85cbd8e2400a9ad6f49920491e0 SHA-1: 5c7a1d3df17adb5ca04db59c7162a682342d4741 SHA-256: cfadcd2bca9495f924e6957c10bda219f29ae00f52953f85e380d293899469a3
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: 34a69ea8168d093c9da834e218315b1fc4d85f516233fa9a9bee61e7f4b31ed3
Detection
ClamAV: Win.Trojan.MSShellcode-6360729-4
Obfuscation or payload: unlikely

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