PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256398cc088081365a142a4ed0630f3d03b5d984ed4af62142f7cf43c62d81d766d
MD530aa0a7e50a7230d9a6e3337a856eec1
File Typeexe
Size203.0 KB
First Seen2025-07-03
File NameshuanB.dll
Tagsbackdoor, dllHijack, exe, netreactor, purecrypter, SilverFox, ValleyRAT

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 398cc088081365a142a4ed0630f3d03b5d984ed4af62142f7cf43c62d81d766d
  • MD5: 30aa0a7e50a7230d9a6e3337a856eec1

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: 398cc088081365a1"
        threat_level = "medium"
        first_seen = "2025-07-03"
    condition:
        hash.sha256(0, filesize) == "398cc088081365a142a4ed0630f3d03b5d984ed4af62142f7cf43c62d81d766d"
}

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 398cc088081365a142a4ed0630f3d03b5d984ed4af62142f7cf43c62d81d766d # MD5 30aa0a7e50a7230d9a6e3337a856eec1
TypeValueNote
sha256 398cc088081365a142a4ed0630f3d03b5d984ed4af62142f7cf43c62d81d766d Sample:PureCrypter
md5 30aa0a7e50a7230d9a6e3337a856eec1 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi