PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256cfd04aa2fb1d16a67ff1761aa4bc97c598b696f4bc0e897ddbfc3a7205201f43
MD52f918a9bbff5757b89be81ef37bf06b8
File Typeexe
Size210.6 KB
First Seen2025-07-29
File Namecfd04aa2fb1d16a67ff1761aa4bc97c598b696f4bc0e897ddbfc3a7205201f43
Tagsdoc-pdf-dropped, exe, 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: cfd04aa2fb1d16a67ff1761aa4bc97c598b696f4bc0e897ddbfc3a7205201f43
  • MD5: 2f918a9bbff5757b89be81ef37bf06b8

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: cfd04aa2fb1d16a6"
        threat_level = "medium"
        first_seen = "2025-07-29"
    condition:
        hash.sha256(0, filesize) == "cfd04aa2fb1d16a67ff1761aa4bc97c598b696f4bc0e897ddbfc3a7205201f43"
}

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 cfd04aa2fb1d16a67ff1761aa4bc97c598b696f4bc0e897ddbfc3a7205201f43 # MD5 2f918a9bbff5757b89be81ef37bf06b8
TypeValueNote
sha256 cfd04aa2fb1d16a67ff1761aa4bc97c598b696f4bc0e897ddbfc3a7205201f43 Sample:PureCrypter
md5 2f918a9bbff5757b89be81ef37bf06b8 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi