PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2564a1898326061b69eb5c02c7ade62b4fb432ab4ec019df81d96de9efc2c8d7a1f
MD5d51771ebd1e2fc247ece8acb577c33ce
File Typeexe
Size24.5 KB
First Seen2025-10-09
File Name4a1898326061b69eb5c02c7ade62b4fb432ab4ec019df81d96de9efc2c8d7a1f
Tagsexe, purecrypter

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: 4a1898326061b69eb5c02c7ade62b4fb432ab4ec019df81d96de9efc2c8d7a1f
  • MD5: d51771ebd1e2fc247ece8acb577c33ce

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: 4a1898326061b69e"
        threat_level = "medium"
        first_seen = "2025-10-09"
    condition:
        hash.sha256(0, filesize) == "4a1898326061b69eb5c02c7ade62b4fb432ab4ec019df81d96de9efc2c8d7a1f"
}

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 4a1898326061b69eb5c02c7ade62b4fb432ab4ec019df81d96de9efc2c8d7a1f # MD5 d51771ebd1e2fc247ece8acb577c33ce
TypeValueNote
sha256 4a1898326061b69eb5c02c7ade62b4fb432ab4ec019df81d96de9efc2c8d7a1f Sample:PureCrypter
md5 d51771ebd1e2fc247ece8acb577c33ce Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi