PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2561d8a948214daf64f3b0b9b894ee8b18dbf9164e54238d8ef88f9372cd03ce3ce
MD55d1445e254cafe142dbfb9be9c10c4d5
File Typeexe
Size17979.1 KB
First Seen2025-05-21
File NameKL_软件安装.exe
TagsAsyncRAT, exe, purecrypter, PureLogs

Malware Family: PureCrypter

PureCrypter, loader'dır.

TypeLoader
Programming Language.NET
Target PlatformWindows
C2 ProtocolHTTPS
PurposeLoader
First Seen Year2021

Threat Indicators (IOC)

  • SHA256: 1d8a948214daf64f3b0b9b894ee8b18dbf9164e54238d8ef88f9372cd03ce3ce
  • MD5: 5d1445e254cafe142dbfb9be9c10c4d5

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: 1d8a948214daf64f"
        threat_level = "medium"
        first_seen = "2025-05-21"
    condition:
        hash.sha256(0, filesize) == "1d8a948214daf64f3b0b9b894ee8b18dbf9164e54238d8ef88f9372cd03ce3ce"
}

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 1d8a948214daf64f3b0b9b894ee8b18dbf9164e54238d8ef88f9372cd03ce3ce # MD5 5d1445e254cafe142dbfb9be9c10c4d5
TypeValueNote
sha256 1d8a948214daf64f3b0b9b894ee8b18dbf9164e54238d8ef88f9372cd03ce3ce Sample:PureCrypter
md5 5d1445e254cafe142dbfb9be9c10c4d5 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi