PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256d1ca1fbe7d58e4f4f4a9cf69d05e22cc786bfaadf5b2b619d44dd709039c1095
MD5773b18116dbc17bff2c4c8959128559b
File Typeexe
Size25.0 KB
First Seen2023-10-23
File NameHalkbank_Ekstre_20220630_082357_541079.scr
Tagsexe, geo, Halkbank, purecrypter, scr, TUR

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: d1ca1fbe7d58e4f4f4a9cf69d05e22cc786bfaadf5b2b619d44dd709039c1095
  • MD5: 773b18116dbc17bff2c4c8959128559b

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: d1ca1fbe7d58e4f4"
        threat_level = "medium"
        first_seen = "2023-10-23"
    condition:
        hash.sha256(0, filesize) == "d1ca1fbe7d58e4f4f4a9cf69d05e22cc786bfaadf5b2b619d44dd709039c1095"
}

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 d1ca1fbe7d58e4f4f4a9cf69d05e22cc786bfaadf5b2b619d44dd709039c1095 # MD5 773b18116dbc17bff2c4c8959128559b
TypeValueNote
sha256 d1ca1fbe7d58e4f4f4a9cf69d05e22cc786bfaadf5b2b619d44dd709039c1095 Sample:PureCrypter
md5 773b18116dbc17bff2c4c8959128559b Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi