PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2568a2b7b7e8fefc70bc7ffa993ea416b2d844ca90f4659b60f9a80b7aebcd3f57d
MD5f8bb3cc761edc0a912b91c14d39edc29
File Typeexe
Size4995.1 KB
First Seen2023-03-21
File Namef8bb3cc761edc0a912b91c14d39edc29.exe
Tagsexe, purecrypter

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 8a2b7b7e8fefc70bc7ffa993ea416b2d844ca90f4659b60f9a80b7aebcd3f57d
  • MD5: f8bb3cc761edc0a912b91c14d39edc29

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: 8a2b7b7e8fefc70b"
        threat_level = "medium"
        first_seen = "2023-03-21"
    condition:
        hash.sha256(0, filesize) == "8a2b7b7e8fefc70bc7ffa993ea416b2d844ca90f4659b60f9a80b7aebcd3f57d"
}

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 8a2b7b7e8fefc70bc7ffa993ea416b2d844ca90f4659b60f9a80b7aebcd3f57d # MD5 f8bb3cc761edc0a912b91c14d39edc29
TypeValueNote
sha256 8a2b7b7e8fefc70bc7ffa993ea416b2d844ca90f4659b60f9a80b7aebcd3f57d Sample:PureCrypter
md5 f8bb3cc761edc0a912b91c14d39edc29 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi