PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25643cb9f83a18f652860eab66b131d1f8a1545c44594fa81f301efa3b44a6b6148
MD5f5c77a19f261493f31332bd2d0f8975e
File Typeexe
Size249.0 KB
First Seen2023-10-22
File NameKajjjestipc.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: 43cb9f83a18f652860eab66b131d1f8a1545c44594fa81f301efa3b44a6b6148
  • MD5: f5c77a19f261493f31332bd2d0f8975e

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: 43cb9f83a18f6528"
        threat_level = "medium"
        first_seen = "2023-10-22"
    condition:
        hash.sha256(0, filesize) == "43cb9f83a18f652860eab66b131d1f8a1545c44594fa81f301efa3b44a6b6148"
}

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 43cb9f83a18f652860eab66b131d1f8a1545c44594fa81f301efa3b44a6b6148 # MD5 f5c77a19f261493f31332bd2d0f8975e
TypeValueNote
sha256 43cb9f83a18f652860eab66b131d1f8a1545c44594fa81f301efa3b44a6b6148 Sample:PureCrypter
md5 f5c77a19f261493f31332bd2d0f8975e Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi