PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256aa0aa3e29d21adf1093a44c3ada091b5fdf3d257c17869e288f40e1d3c05a284
MD5ccf4e05bb6ef41ef12d73f095caabf4b
File Typevbs
Size1.7 KB
First Seen2024-11-20
File NameKEFttAEb.vbs
Tagsapi-ewfiles-net, purecrypter, vbs

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: aa0aa3e29d21adf1093a44c3ada091b5fdf3d257c17869e288f40e1d3c05a284
  • MD5: ccf4e05bb6ef41ef12d73f095caabf4b

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: aa0aa3e29d21adf1"
        threat_level = "medium"
        first_seen = "2024-11-20"
    condition:
        hash.sha256(0, filesize) == "aa0aa3e29d21adf1093a44c3ada091b5fdf3d257c17869e288f40e1d3c05a284"
}

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 aa0aa3e29d21adf1093a44c3ada091b5fdf3d257c17869e288f40e1d3c05a284 # MD5 ccf4e05bb6ef41ef12d73f095caabf4b
TypeValueNote
sha256 aa0aa3e29d21adf1093a44c3ada091b5fdf3d257c17869e288f40e1d3c05a284 Sample:PureCrypter
md5 ccf4e05bb6ef41ef12d73f095caabf4b Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi