Win.Trojan.Elpapok-1 RTF malware analysis — malicious · b5b0c2af1f80e6d4

MALICIOUS

RTF

10.1 KB First seen: 2015-09-19

MD5: 529d24f9943817302668baebfed83f90 SHA-1: 95775e2e3a422d35a5277c63dbbbbfdb149de3ee SHA-256: b5b0c2af1f80e6d4d79f04a7d7d9ef0ce8b4c38fc1bdfcab7b6dd640877b0f51

200 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 that triggers the CVE-2012-0158 vulnerability, allowing for client-side code execution. ClamAV detections confirm this is a known trojan, specifically Win.Trojan.Elpapok-1, and also detected suspicious shellcode within an extracted artifact.

Heuristics 4

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
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000000a0.bin`	rtf-objdata-decoded	RTF \objdata at offset 0xA0	5065 bytes
SHA-256: `642804a67f6ebc1e82d63e9b49fb312a69878c56574f2e3bafbd83d0e8649c0a`
Detection ClamAV: Win.Trojan.MSShellcode-6360729-4 Obfuscation or payload: likely Static shellcode analysis found candidate code region(s). Indicators: NOP sled

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