PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25643759ef630c0cea19175f9d331d225d56eebbeaa2a9a48e7bac0f2b41f336e14
MD581f64fef19b9f28b3556d2958df770e1
File Typeexe
Size8.5 KB
First Seen2025-07-29
File Name43759ef630c0cea19175f9d331d225d56eebbeaa2a9a48e7bac0f2b41f336e14
Tagsexe, purecrypter, wenawulus-xyz

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: 43759ef630c0cea19175f9d331d225d56eebbeaa2a9a48e7bac0f2b41f336e14
  • MD5: 81f64fef19b9f28b3556d2958df770e1

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: 43759ef630c0cea1"
        threat_level = "medium"
        first_seen = "2025-07-29"
    condition:
        hash.sha256(0, filesize) == "43759ef630c0cea19175f9d331d225d56eebbeaa2a9a48e7bac0f2b41f336e14"
}

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 43759ef630c0cea19175f9d331d225d56eebbeaa2a9a48e7bac0f2b41f336e14 # MD5 81f64fef19b9f28b3556d2958df770e1
TypeValueNote
sha256 43759ef630c0cea19175f9d331d225d56eebbeaa2a9a48e7bac0f2b41f336e14 Sample:PureCrypter
md5 81f64fef19b9f28b3556d2958df770e1 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi