PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25655586218781fae74e5ffd44f37c1c3e9a95239b702ec4f14305c5f1471947518
MD5de6df3eab6ee093961146e95553f4a51
File Typedll
Size1097.0 KB
First Seen2023-03-04
File Namestub.dll
Tags.NET, dll, purecrypter, stub

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 55586218781fae74e5ffd44f37c1c3e9a95239b702ec4f14305c5f1471947518
  • MD5: de6df3eab6ee093961146e95553f4a51

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: 55586218781fae74"
        threat_level = "medium"
        first_seen = "2023-03-04"
    condition:
        hash.sha256(0, filesize) == "55586218781fae74e5ffd44f37c1c3e9a95239b702ec4f14305c5f1471947518"
}

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 55586218781fae74e5ffd44f37c1c3e9a95239b702ec4f14305c5f1471947518 # MD5 de6df3eab6ee093961146e95553f4a51
TypeValueNote
sha256 55586218781fae74e5ffd44f37c1c3e9a95239b702ec4f14305c5f1471947518 Sample:PureCrypter
md5 de6df3eab6ee093961146e95553f4a51 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi