PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256b99be8649a876c796e87f04d9d59fdad9981a3b443fc09752f4df7ccde6b8a3f
MD597057cd6151f52000099f658c011eec1
File Typeexe
Size10.0 KB
First Seen2022-10-19
File NameGertr.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: b99be8649a876c796e87f04d9d59fdad9981a3b443fc09752f4df7ccde6b8a3f
  • MD5: 97057cd6151f52000099f658c011eec1

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: b99be8649a876c79"
        threat_level = "medium"
        first_seen = "2022-10-19"
    condition:
        hash.sha256(0, filesize) == "b99be8649a876c796e87f04d9d59fdad9981a3b443fc09752f4df7ccde6b8a3f"
}

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 b99be8649a876c796e87f04d9d59fdad9981a3b443fc09752f4df7ccde6b8a3f # MD5 97057cd6151f52000099f658c011eec1
TypeValueNote
sha256 b99be8649a876c796e87f04d9d59fdad9981a3b443fc09752f4df7ccde6b8a3f Sample:PureCrypter
md5 97057cd6151f52000099f658c011eec1 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi