PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256f844676b08642e07f991ec7e54b62e784a8dbdef14699d0c3c76e362f4ce7e40
MD57d4657496f4c127382b228b65462d0fa
File Typeexe
Size189.0 KB
First Seen2022-12-29
File NameFedEx Shipping Documents.exe
Tagsexe, FedEx, purecrypter

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: f844676b08642e07f991ec7e54b62e784a8dbdef14699d0c3c76e362f4ce7e40
  • MD5: 7d4657496f4c127382b228b65462d0fa

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: f844676b08642e07"
        threat_level = "medium"
        first_seen = "2022-12-29"
    condition:
        hash.sha256(0, filesize) == "f844676b08642e07f991ec7e54b62e784a8dbdef14699d0c3c76e362f4ce7e40"
}

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 f844676b08642e07f991ec7e54b62e784a8dbdef14699d0c3c76e362f4ce7e40 # MD5 7d4657496f4c127382b228b65462d0fa
TypeValueNote
sha256 f844676b08642e07f991ec7e54b62e784a8dbdef14699d0c3c76e362f4ce7e40 Sample:PureCrypter
md5 7d4657496f4c127382b228b65462d0fa Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi