PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256fd9ed3e94e139ea7cad8efb8a20f8dbb3a941d4c25d9e151ffe1a1f087a747ad
MD598a1ed5bf5279936819465e481d4a4dc
File Typezip
Size2840.8 KB
First Seen2025-07-03
File NameApplication.zip
TagsGh0stRAT, netreactor, purecrypter, SilverFox, ValleyRAT, zip

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: fd9ed3e94e139ea7cad8efb8a20f8dbb3a941d4c25d9e151ffe1a1f087a747ad
  • MD5: 98a1ed5bf5279936819465e481d4a4dc

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: fd9ed3e94e139ea7"
        threat_level = "medium"
        first_seen = "2025-07-03"
    condition:
        hash.sha256(0, filesize) == "fd9ed3e94e139ea7cad8efb8a20f8dbb3a941d4c25d9e151ffe1a1f087a747ad"
}

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 fd9ed3e94e139ea7cad8efb8a20f8dbb3a941d4c25d9e151ffe1a1f087a747ad # MD5 98a1ed5bf5279936819465e481d4a4dc
TypeValueNote
sha256 fd9ed3e94e139ea7cad8efb8a20f8dbb3a941d4c25d9e151ffe1a1f087a747ad Sample:PureCrypter
md5 98a1ed5bf5279936819465e481d4a4dc Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi