PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256397b94a80b17e7fbf78585532874aba349f194f84f723bd4adc79542d90efed3
MD5eff7ae696a293b48cc7932e6304bcaa5
File Typegz
Size351.7 KB
First Seen2023-02-01
File NameNuevoXpedidoX7887979-800898.gz
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: 397b94a80b17e7fbf78585532874aba349f194f84f723bd4adc79542d90efed3
  • MD5: eff7ae696a293b48cc7932e6304bcaa5

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: 397b94a80b17e7fb"
        threat_level = "medium"
        first_seen = "2023-02-01"
    condition:
        hash.sha256(0, filesize) == "397b94a80b17e7fbf78585532874aba349f194f84f723bd4adc79542d90efed3"
}

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 397b94a80b17e7fbf78585532874aba349f194f84f723bd4adc79542d90efed3 # MD5 eff7ae696a293b48cc7932e6304bcaa5
TypeValueNote
sha256 397b94a80b17e7fbf78585532874aba349f194f84f723bd4adc79542d90efed3 Sample:PureCrypter
md5 eff7ae696a293b48cc7932e6304bcaa5 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi