PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256d8d75e120338946209da6f61438c59f4464561758fbf0addbe4b50b40f81e6f8
MD5734e3c03e637737ad83cebb46eae00e3
File Typegz
Size1319.5 KB
First Seen2023-02-03
File Namefile
Tagsexe, gz, purecrypter

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: d8d75e120338946209da6f61438c59f4464561758fbf0addbe4b50b40f81e6f8
  • MD5: 734e3c03e637737ad83cebb46eae00e3

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: d8d75e1203389462"
        threat_level = "medium"
        first_seen = "2023-02-03"
    condition:
        hash.sha256(0, filesize) == "d8d75e120338946209da6f61438c59f4464561758fbf0addbe4b50b40f81e6f8"
}

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 d8d75e120338946209da6f61438c59f4464561758fbf0addbe4b50b40f81e6f8 # MD5 734e3c03e637737ad83cebb46eae00e3
TypeValueNote
sha256 d8d75e120338946209da6f61438c59f4464561758fbf0addbe4b50b40f81e6f8 Sample:PureCrypter
md5 734e3c03e637737ad83cebb46eae00e3 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi