PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2565fd0cfb235674b1dd06b870978610be6904a7c5a3d27a9622e451b17d86b209e
MD5fe9a8d90d392d856cf4bb139b7f631c6
File Typeexe
Size23.5 KB
First Seen2024-07-30
File NameBanco_Itau_Aviso_de_Pago.pdf.scr
Tagsexe, purecrypter, scr

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 5fd0cfb235674b1dd06b870978610be6904a7c5a3d27a9622e451b17d86b209e
  • MD5: fe9a8d90d392d856cf4bb139b7f631c6

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: 5fd0cfb235674b1d"
        threat_level = "medium"
        first_seen = "2024-07-30"
    condition:
        hash.sha256(0, filesize) == "5fd0cfb235674b1dd06b870978610be6904a7c5a3d27a9622e451b17d86b209e"
}

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 5fd0cfb235674b1dd06b870978610be6904a7c5a3d27a9622e451b17d86b209e # MD5 fe9a8d90d392d856cf4bb139b7f631c6
TypeValueNote
sha256 5fd0cfb235674b1dd06b870978610be6904a7c5a3d27a9622e451b17d86b209e Sample:PureCrypter
md5 fe9a8d90d392d856cf4bb139b7f631c6 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi