PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2568c74e843dc4024992e37e7214ad134479e60e8b89f330acd2b79552c3ba556fe
MD5a87e2bd3c336cd418a2d082a3209c5aa
File Typeexe
Size1122.4 KB
First Seen2025-10-06
File NameRFQ - U1058 New Materials Order B13D60.scr
TagsAgentTesla, dotnetreactor, exe, pure, purecrypter, stealer

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: 8c74e843dc4024992e37e7214ad134479e60e8b89f330acd2b79552c3ba556fe
  • MD5: a87e2bd3c336cd418a2d082a3209c5aa

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: 8c74e843dc402499"
        threat_level = "medium"
        first_seen = "2025-10-06"
    condition:
        hash.sha256(0, filesize) == "8c74e843dc4024992e37e7214ad134479e60e8b89f330acd2b79552c3ba556fe"
}

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 8c74e843dc4024992e37e7214ad134479e60e8b89f330acd2b79552c3ba556fe # MD5 a87e2bd3c336cd418a2d082a3209c5aa
TypeValueNote
sha256 8c74e843dc4024992e37e7214ad134479e60e8b89f330acd2b79552c3ba556fe Sample:PureCrypter
md5 a87e2bd3c336cd418a2d082a3209c5aa Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi