PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256ad8cf8c639b31a53b4a9f86f944dfd143c4b622e8d9d103f3efc58d788bd4f27
MD5e57521f3e773d3c5ad50b9030ea186c8
File Typeexe
Size3987.4 KB
First Seen2023-02-03
File Namee57521f3e773d3c5ad50b9030ea186c8.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: ad8cf8c639b31a53b4a9f86f944dfd143c4b622e8d9d103f3efc58d788bd4f27
  • MD5: e57521f3e773d3c5ad50b9030ea186c8

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: ad8cf8c639b31a53"
        threat_level = "medium"
        first_seen = "2023-02-03"
    condition:
        hash.sha256(0, filesize) == "ad8cf8c639b31a53b4a9f86f944dfd143c4b622e8d9d103f3efc58d788bd4f27"
}

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 ad8cf8c639b31a53b4a9f86f944dfd143c4b622e8d9d103f3efc58d788bd4f27 # MD5 e57521f3e773d3c5ad50b9030ea186c8
TypeValueNote
sha256 ad8cf8c639b31a53b4a9f86f944dfd143c4b622e8d9d103f3efc58d788bd4f27 Sample:PureCrypter
md5 e57521f3e773d3c5ad50b9030ea186c8 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi