PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256b08c83f91138b07c2a9ec9dace60ef42fe0abd9a7d9fc5b50ab6200d71d0ac66
MD55c873e68503e1a0e5be6be50162b4334
File Typeexe
Size14721.5 KB
First Seen2025-12-26
File NameInstaller_v4481_x64.exe
Tagsexe, purecrypter, PureHVNC, windirautoupdates-top

Malware Family: PureCrypter

PureCrypter, AV atlatma loader'dır.

TypeLoader
Programming Language.NET
Target PlatformWindows
C2 ProtocolHTTPS
PurposeAV atlatma loader
First Seen Year2021

Threat Indicators (IOC)

  • SHA256: b08c83f91138b07c2a9ec9dace60ef42fe0abd9a7d9fc5b50ab6200d71d0ac66
  • MD5: 5c873e68503e1a0e5be6be50162b4334

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: b08c83f91138b07c"
        threat_level = "medium"
        first_seen = "2025-12-26"
    condition:
        hash.sha256(0, filesize) == "b08c83f91138b07c2a9ec9dace60ef42fe0abd9a7d9fc5b50ab6200d71d0ac66"
}

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 b08c83f91138b07c2a9ec9dace60ef42fe0abd9a7d9fc5b50ab6200d71d0ac66 # MD5 5c873e68503e1a0e5be6be50162b4334
TypeValueNote
sha256 b08c83f91138b07c2a9ec9dace60ef42fe0abd9a7d9fc5b50ab6200d71d0ac66 Sample:PureCrypter
md5 5c873e68503e1a0e5be6be50162b4334 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi