PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2567807253caffdfc2273c16860e7bf893d835d9ce2c2c2dd65f4af9552e8e2e398
MD5f383d1763dcdc1e2067ceb0a8a991e4c
File Typedll
Size2546.0 KB
First Seen2023-02-03
File Name28d54c2eca152e4b9724f8c1f4a4ac81.dll
Tagsdll, purecrypter

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 7807253caffdfc2273c16860e7bf893d835d9ce2c2c2dd65f4af9552e8e2e398
  • MD5: f383d1763dcdc1e2067ceb0a8a991e4c

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: 7807253caffdfc22"
        threat_level = "medium"
        first_seen = "2023-02-03"
    condition:
        hash.sha256(0, filesize) == "7807253caffdfc2273c16860e7bf893d835d9ce2c2c2dd65f4af9552e8e2e398"
}

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 7807253caffdfc2273c16860e7bf893d835d9ce2c2c2dd65f4af9552e8e2e398 # MD5 f383d1763dcdc1e2067ceb0a8a991e4c
TypeValueNote
sha256 7807253caffdfc2273c16860e7bf893d835d9ce2c2c2dd65f4af9552e8e2e398 Sample:PureCrypter
md5 f383d1763dcdc1e2067ceb0a8a991e4c Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi