PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256e6756bbd357dc57512da01b4ab04d4df4d4f11e4caaaecb913febaa51317fc3d
MD52b243c7df84c3a07771e406825a529b7
File Typegz
Size218.8 KB
First Seen2025-03-28
File NameRFQ-82100045343200046440003446.tgz
Tagsfile-pumped, gz, purecrypter

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: e6756bbd357dc57512da01b4ab04d4df4d4f11e4caaaecb913febaa51317fc3d
  • MD5: 2b243c7df84c3a07771e406825a529b7

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: e6756bbd357dc575"
        threat_level = "medium"
        first_seen = "2025-03-28"
    condition:
        hash.sha256(0, filesize) == "e6756bbd357dc57512da01b4ab04d4df4d4f11e4caaaecb913febaa51317fc3d"
}

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 e6756bbd357dc57512da01b4ab04d4df4d4f11e4caaaecb913febaa51317fc3d # MD5 2b243c7df84c3a07771e406825a529b7
TypeValueNote
sha256 e6756bbd357dc57512da01b4ab04d4df4d4f11e4caaaecb913febaa51317fc3d Sample:PureCrypter
md5 2b243c7df84c3a07771e406825a529b7 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi