PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25603fa49754cb5c96d49d1d9c5d27024e50df3551733b1ad3c0a2946f1951e6bc5
MD55fef8a7461797033a9c4167aee4e76ae
File Typeexe
Size122.6 KB
First Seen2025-09-18
File Name03fa49754cb5c96d49d1d9c5d27024e50df3551733b1ad3c0a2946f1951e6bc5
Tagsbooking, exe, myf-s3-cubbit-eu, purecrypter, sendxambro-educt-shop, Spam-ITA

Malware Family: PureCrypter

PureCrypter, AV atlatma loader'dır.

TypeLoader
Programming Language.NET
Target PlatformWindows
C2 ProtocolHTTPS
PurposeAV atlatma loader
First Seen Year2021

Threat Indicators (IOC)

  • SHA256: 03fa49754cb5c96d49d1d9c5d27024e50df3551733b1ad3c0a2946f1951e6bc5
  • MD5: 5fef8a7461797033a9c4167aee4e76ae

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network — the loader may be downloading more malware
  2. Analyze every downloaded payload
  3. Inspect all network traffic and cut suspicious connections
  4. Run a full antivirus scan
  5. Consider reimaging the system

YARA Rule Hints

rule PureCrypter_SHA256 {
    meta:
        description = "PureCrypter sample: 03fa49754cb5c96d"
        threat_level = "medium"
        first_seen = "2025-09-18"
    condition:
        hash.sha256(0, filesize) == "03fa49754cb5c96d49d1d9c5d27024e50df3551733b1ad3c0a2946f1951e6bc5"
}

PureCrypter — Malware Profile

PureCrypter, AV atlatma loader'dır.

Malware Type
Loader
Programming Language
.NET
C2 Protocol
HTTPS
Target Systems
Windows

Capabilities & Behavior

Payload İndirme
Süreç Enjeksiyonu
Modüler Mimari
Kimlik Bilgisi Hırsızlığı
Yanal Hareket
Kalıcılık
Anti-VM/Sandbox
İkincil Payload Dağıtımı

IOC List (2 indicators)

IOC — PureCrypter
# SHA256 03fa49754cb5c96d49d1d9c5d27024e50df3551733b1ad3c0a2946f1951e6bc5 # MD5 5fef8a7461797033a9c4167aee4e76ae
TypeValueNote
sha256 03fa49754cb5c96d49d1d9c5d27024e50df3551733b1ad3c0a2946f1951e6bc5 Sample:PureCrypter
md5 5fef8a7461797033a9c4167aee4e76ae Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi