PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25621f826b58e920d55308be2b3f94a1cee0f679ef9d7f1d03bed8f00f4b6a78c5a
MD5bf576c8cdda2976d3c5ebb45b262dc0b
File Typeexe
Size169.0 KB
First Seen2022-12-28
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: 21f826b58e920d55308be2b3f94a1cee0f679ef9d7f1d03bed8f00f4b6a78c5a
  • MD5: bf576c8cdda2976d3c5ebb45b262dc0b

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: 21f826b58e920d55"
        threat_level = "medium"
        first_seen = "2022-12-28"
    condition:
        hash.sha256(0, filesize) == "21f826b58e920d55308be2b3f94a1cee0f679ef9d7f1d03bed8f00f4b6a78c5a"
}

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 21f826b58e920d55308be2b3f94a1cee0f679ef9d7f1d03bed8f00f4b6a78c5a # MD5 bf576c8cdda2976d3c5ebb45b262dc0b
TypeValueNote
sha256 21f826b58e920d55308be2b3f94a1cee0f679ef9d7f1d03bed8f00f4b6a78c5a Sample:PureCrypter
md5 bf576c8cdda2976d3c5ebb45b262dc0b Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi