PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25691e5e0059192afa409b9d5f3325cb519b4a68ff42a0c0476896054af555b2360
MD5bff0d06fa85470e6e7fdc36cfe7aa5ba
File Typeexe
Size10.0 KB
First Seen2023-11-09
File NameGalvanized Steel Sheet Technical Specifications.scr
Tagsexe, purecrypter, scr

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 91e5e0059192afa409b9d5f3325cb519b4a68ff42a0c0476896054af555b2360
  • MD5: bff0d06fa85470e6e7fdc36cfe7aa5ba

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: 91e5e0059192afa4"
        threat_level = "medium"
        first_seen = "2023-11-09"
    condition:
        hash.sha256(0, filesize) == "91e5e0059192afa409b9d5f3325cb519b4a68ff42a0c0476896054af555b2360"
}

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 91e5e0059192afa409b9d5f3325cb519b4a68ff42a0c0476896054af555b2360 # MD5 bff0d06fa85470e6e7fdc36cfe7aa5ba
TypeValueNote
sha256 91e5e0059192afa409b9d5f3325cb519b4a68ff42a0c0476896054af555b2360 Sample:PureCrypter
md5 bff0d06fa85470e6e7fdc36cfe7aa5ba Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi