PureCrypter | Threat Level: medium | Type: Loader
Cryptographic Identifiers
| SHA256 | b4fe4a3b371c8bf01d701d5ef881d70c82f0cc8b06cc8e33a02b468538b5c37e |
|---|---|
| MD5 | a43137ff2041224df9a43cb19194ca49 |
| File Type | bat |
| Size | 200.9 KB |
| First Seen | 2025-10-31 |
| File Name | data.bat |
| Tags | bat, purecrypter |
Malware Family: PureCrypter
PureCrypter, AV atlatma loader'dır.
| Type | Loader |
|---|---|
| Programming Language | .NET |
| Target Platform | Windows |
| C2 Protocol | HTTPS |
| Purpose | AV atlatma loader |
| First Seen Year | 2021 |
Threat Indicators (IOC)
- SHA256:
b4fe4a3b371c8bf01d701d5ef881d70c82f0cc8b06cc8e33a02b468538b5c37e - MD5:
a43137ff2041224df9a43cb19194ca49
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Disconnect the system from the network — the loader may be downloading more malware
- Analyze every downloaded payload
- Inspect all network traffic and cut suspicious connections
- Run a full antivirus scan
- Consider reimaging the system
YARA Rule Hints
rule PureCrypter_SHA256 {
meta:
description = "PureCrypter sample: b4fe4a3b371c8bf0"
threat_level = "medium"
first_seen = "2025-10-31"
condition:
hash.sha256(0, filesize) == "b4fe4a3b371c8bf01d701d5ef881d70c82f0cc8b06cc8e33a02b468538b5c37e"
}
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
b4fe4a3b371c8bf01d701d5ef881d70c82f0cc8b06cc8e33a02b468538b5c37e
# MD5
a43137ff2041224df9a43cb19194ca49
| Type | Value | Note |
|---|---|---|
| sha256 | b4fe4a3b371c8bf01d701d5ef881d70c82f0cc8b06cc8e33a02b468538b5c37e | Sample:PureCrypter |
| md5 | a43137ff2041224df9a43cb19194ca49 | Sample:PureCrypter |