PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25677f931c1106338939ef706544e7e1655264bff60f5cf612a15c23a0b06edc5d7
MD557fd7854e1244c276e108eed092453b2
File Typeexe
Size14.0 KB
First Seen2023-05-22
File NameKsoyn.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: 77f931c1106338939ef706544e7e1655264bff60f5cf612a15c23a0b06edc5d7
  • MD5: 57fd7854e1244c276e108eed092453b2

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: 77f931c110633893"
        threat_level = "medium"
        first_seen = "2023-05-22"
    condition:
        hash.sha256(0, filesize) == "77f931c1106338939ef706544e7e1655264bff60f5cf612a15c23a0b06edc5d7"
}

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 77f931c1106338939ef706544e7e1655264bff60f5cf612a15c23a0b06edc5d7 # MD5 57fd7854e1244c276e108eed092453b2
TypeValueNote
sha256 77f931c1106338939ef706544e7e1655264bff60f5cf612a15c23a0b06edc5d7 Sample:PureCrypter
md5 57fd7854e1244c276e108eed092453b2 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi