PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256ab8d17d5338d8841bb9ddae3440d1de95d5e34a7569b94c04a1c226c4cf2e872
MD57da0c9a1d8a1baac8a00a22f186dbfe6
File Typeexe
Size6.5 KB
First Seen2022-12-27
File NamePI_KPCPU_231(MECH)NBI.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: ab8d17d5338d8841bb9ddae3440d1de95d5e34a7569b94c04a1c226c4cf2e872
  • MD5: 7da0c9a1d8a1baac8a00a22f186dbfe6

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: ab8d17d5338d8841"
        threat_level = "medium"
        first_seen = "2022-12-27"
    condition:
        hash.sha256(0, filesize) == "ab8d17d5338d8841bb9ddae3440d1de95d5e34a7569b94c04a1c226c4cf2e872"
}

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 ab8d17d5338d8841bb9ddae3440d1de95d5e34a7569b94c04a1c226c4cf2e872 # MD5 7da0c9a1d8a1baac8a00a22f186dbfe6
TypeValueNote
sha256 ab8d17d5338d8841bb9ddae3440d1de95d5e34a7569b94c04a1c226c4cf2e872 Sample:PureCrypter
md5 7da0c9a1d8a1baac8a00a22f186dbfe6 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi