Win.Trojan.Elpapok-1 — RTF malware analysis

Static analysis result for SHA-256 40e57820d0ed1471…

MALICIOUS

RTF

10.1 KB First seen: 2015-09-23
MD5: 6f145c26c08d9616af420c77781ac470 SHA-1: cd1fa3a9aca29372086ed02fb139edda2b7e9328 SHA-256: 40e57820d0ed1471ed2aaf86b7ef278674a4a0c3225c834b22954b4a2fa611c4
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: 7c8ba9eaae1d74fe93f269652b55c82600f0af3f63fe3c0420fda161d1d83ac8
Detection
ClamAV: Win.Trojan.MSShellcode-6360729-4
Obfuscation or payload: unlikely

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