Win.Trojan.Elpapok-1 RTF malware analysis — malicious · 22dfcc0b30df0fd3

MALICIOUS

RTF

10.1 KB First seen: 2015-09-26

MD5: 10f267b28a77182f4d55107d6b8ca0e0 SHA-1: 6d82a6ba568620daf5256148b5e5bf2b477a9ddb SHA-256: 22dfcc0b30df0fd3750075ec1411a4df852aa3273385a06fb86c5023004cdbe7

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: `8a097df31606fba3bc754f42b2db180662154e834366fb41090113fdc52c2ec0`
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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