PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256759b94a671a1e57260b57ec15d92fbe87dbb705a92c485b39fb9f4a11c1b1d91
MD5ee1c81edfdd38aafb3cc0581509c00c8
File Typeexe
Size217.0 KB
First Seen2023-12-08
File NamePekao_Kopia potwierdzenia platnosci_EU8120000034194000045210000008.exe
Tagsexe, purecrypter

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 759b94a671a1e57260b57ec15d92fbe87dbb705a92c485b39fb9f4a11c1b1d91
  • MD5: ee1c81edfdd38aafb3cc0581509c00c8

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: 759b94a671a1e572"
        threat_level = "medium"
        first_seen = "2023-12-08"
    condition:
        hash.sha256(0, filesize) == "759b94a671a1e57260b57ec15d92fbe87dbb705a92c485b39fb9f4a11c1b1d91"
}

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 759b94a671a1e57260b57ec15d92fbe87dbb705a92c485b39fb9f4a11c1b1d91 # MD5 ee1c81edfdd38aafb3cc0581509c00c8
TypeValueNote
sha256 759b94a671a1e57260b57ec15d92fbe87dbb705a92c485b39fb9f4a11c1b1d91 Sample:PureCrypter
md5 ee1c81edfdd38aafb3cc0581509c00c8 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi