PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256de6b367a4b3a81fea07cdaa9406b9b70a994581cfae539f5da441268e4be4188
MD5c9951fb84a416c1f329b39b2da482348
File Typeexe
Size143.0 KB
First Seen2024-12-03
File NameRFQ 9-XTC-204-60THD.xlsx.exe
Tagsexe, purecrypter, QuasarRAT

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: de6b367a4b3a81fea07cdaa9406b9b70a994581cfae539f5da441268e4be4188
  • MD5: c9951fb84a416c1f329b39b2da482348

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: de6b367a4b3a81fe"
        threat_level = "medium"
        first_seen = "2024-12-03"
    condition:
        hash.sha256(0, filesize) == "de6b367a4b3a81fea07cdaa9406b9b70a994581cfae539f5da441268e4be4188"
}

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 de6b367a4b3a81fea07cdaa9406b9b70a994581cfae539f5da441268e4be4188 # MD5 c9951fb84a416c1f329b39b2da482348
TypeValueNote
sha256 de6b367a4b3a81fea07cdaa9406b9b70a994581cfae539f5da441268e4be4188 Sample:PureCrypter
md5 c9951fb84a416c1f329b39b2da482348 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi