PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2561a4760e0f9e6c603749c0df65f48bfccc5a76476ed44b61dc0ea57cadb21a9e6
MD5c166be4fd3b26883ae35f7f1d8b51459
File Typeimg
Size104.0 KB
First Seen2023-07-21
File NamePayment_Confirmation_230721pdf.img
Tagsimg, purecrypter

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 1a4760e0f9e6c603749c0df65f48bfccc5a76476ed44b61dc0ea57cadb21a9e6
  • MD5: c166be4fd3b26883ae35f7f1d8b51459

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: 1a4760e0f9e6c603"
        threat_level = "medium"
        first_seen = "2023-07-21"
    condition:
        hash.sha256(0, filesize) == "1a4760e0f9e6c603749c0df65f48bfccc5a76476ed44b61dc0ea57cadb21a9e6"
}

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 1a4760e0f9e6c603749c0df65f48bfccc5a76476ed44b61dc0ea57cadb21a9e6 # MD5 c166be4fd3b26883ae35f7f1d8b51459
TypeValueNote
sha256 1a4760e0f9e6c603749c0df65f48bfccc5a76476ed44b61dc0ea57cadb21a9e6 Sample:PureCrypter
md5 c166be4fd3b26883ae35f7f1d8b51459 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi