PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256f8ad03c7205a0923a84cd91b20f674e15ce6915083f04a49ea4524d17e410744
MD551913c33eb47384ab21d4c20eb9e1ed6
File Typeexe
Size32.0 KB
First Seen2025-09-05
File Namef8ad03c7205a0923a84cd91b20f674e15ce6915083f04a49ea4524d17e410744
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: f8ad03c7205a0923a84cd91b20f674e15ce6915083f04a49ea4524d17e410744
  • MD5: 51913c33eb47384ab21d4c20eb9e1ed6

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: f8ad03c7205a0923"
        threat_level = "medium"
        first_seen = "2025-09-05"
    condition:
        hash.sha256(0, filesize) == "f8ad03c7205a0923a84cd91b20f674e15ce6915083f04a49ea4524d17e410744"
}

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 f8ad03c7205a0923a84cd91b20f674e15ce6915083f04a49ea4524d17e410744 # MD5 51913c33eb47384ab21d4c20eb9e1ed6
TypeValueNote
sha256 f8ad03c7205a0923a84cd91b20f674e15ce6915083f04a49ea4524d17e410744 Sample:PureCrypter
md5 51913c33eb47384ab21d4c20eb9e1ed6 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi