PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25672b36f9f4252e35224a539197bfd5b2c6f6b75bcd3968b42dc545af99a2fb21b
MD5d428842e279541bf99855a451a54f44f
File Typedll
Size75.0 KB
First Seen2024-03-29
File NameSecuriteInfo.com.Downloader.MSIL.gen.rexp.1312.25774
Tagsdll, purecrypter

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 72b36f9f4252e35224a539197bfd5b2c6f6b75bcd3968b42dc545af99a2fb21b
  • MD5: d428842e279541bf99855a451a54f44f

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: 72b36f9f4252e352"
        threat_level = "medium"
        first_seen = "2024-03-29"
    condition:
        hash.sha256(0, filesize) == "72b36f9f4252e35224a539197bfd5b2c6f6b75bcd3968b42dc545af99a2fb21b"
}

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 72b36f9f4252e35224a539197bfd5b2c6f6b75bcd3968b42dc545af99a2fb21b # MD5 d428842e279541bf99855a451a54f44f
TypeValueNote
sha256 72b36f9f4252e35224a539197bfd5b2c6f6b75bcd3968b42dc545af99a2fb21b Sample:PureCrypter
md5 d428842e279541bf99855a451a54f44f Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi