PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2564b17ef79095d309564c4734a290a851cc85ca28641332f9b2e4c17fc4a69ea1c
MD5da1e493901383a8a04424effd7e5051b
File Typerar
Size8.1 KB
First Seen2022-09-28
File Namemv Rusich-8.rar
Tagspurecrypter, rar, Shipping

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 4b17ef79095d309564c4734a290a851cc85ca28641332f9b2e4c17fc4a69ea1c
  • MD5: da1e493901383a8a04424effd7e5051b

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: 4b17ef79095d3095"
        threat_level = "medium"
        first_seen = "2022-09-28"
    condition:
        hash.sha256(0, filesize) == "4b17ef79095d309564c4734a290a851cc85ca28641332f9b2e4c17fc4a69ea1c"
}

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 4b17ef79095d309564c4734a290a851cc85ca28641332f9b2e4c17fc4a69ea1c # MD5 da1e493901383a8a04424effd7e5051b
TypeValueNote
sha256 4b17ef79095d309564c4734a290a851cc85ca28641332f9b2e4c17fc4a69ea1c Sample:PureCrypter
md5 da1e493901383a8a04424effd7e5051b Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi