PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256f4a9651380d433fc2d3371274561b62b198bdc62d487a53541ad1c6406989655
MD543fdbb8b80719110c38faf813911424e
File Typeexe
Size10094.5 KB
First Seen2025-11-12
File NameInstaller_v13605.exe
Tagsexe, purecrypter, PureHVNC, winautordr-hopto-org

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: f4a9651380d433fc2d3371274561b62b198bdc62d487a53541ad1c6406989655
  • MD5: 43fdbb8b80719110c38faf813911424e

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: f4a9651380d433fc"
        threat_level = "medium"
        first_seen = "2025-11-12"
    condition:
        hash.sha256(0, filesize) == "f4a9651380d433fc2d3371274561b62b198bdc62d487a53541ad1c6406989655"
}

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 f4a9651380d433fc2d3371274561b62b198bdc62d487a53541ad1c6406989655 # MD5 43fdbb8b80719110c38faf813911424e
TypeValueNote
sha256 f4a9651380d433fc2d3371274561b62b198bdc62d487a53541ad1c6406989655 Sample:PureCrypter
md5 43fdbb8b80719110c38faf813911424e Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi