PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256b4a5d4e6c06d4bb1f8412059f8c0c1bc30c3ec1d1b104936a33d28fc83a831c5
MD53ba92e7872a90ccaa9db8b1a92388844
File Typeiso
Size23006.0 KB
First Seen2025-12-16
File NameInstaller.iso
TagsCoinMiner, iso, purecrypter, PureHVNC, PureMiner

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: b4a5d4e6c06d4bb1f8412059f8c0c1bc30c3ec1d1b104936a33d28fc83a831c5
  • MD5: 3ba92e7872a90ccaa9db8b1a92388844

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: b4a5d4e6c06d4bb1"
        threat_level = "medium"
        first_seen = "2025-12-16"
    condition:
        hash.sha256(0, filesize) == "b4a5d4e6c06d4bb1f8412059f8c0c1bc30c3ec1d1b104936a33d28fc83a831c5"
}

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 b4a5d4e6c06d4bb1f8412059f8c0c1bc30c3ec1d1b104936a33d28fc83a831c5 # MD5 3ba92e7872a90ccaa9db8b1a92388844
TypeValueNote
sha256 b4a5d4e6c06d4bb1f8412059f8c0c1bc30c3ec1d1b104936a33d28fc83a831c5 Sample:PureCrypter
md5 3ba92e7872a90ccaa9db8b1a92388844 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi