PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256c6b8033ca54ea4776a9c0db928b0e53e03086231b1dbd3ef28adde6616fd54a9
MD5511f51fb379cdb2dea75667c2d1b8f7e
File Typeexe
Size7.5 KB
First Seen2022-12-12
File NameSOLICITUD_DE_COTIZACI_N.XLS
Tagsexe, purecrypter, xls

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: c6b8033ca54ea4776a9c0db928b0e53e03086231b1dbd3ef28adde6616fd54a9
  • MD5: 511f51fb379cdb2dea75667c2d1b8f7e

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: c6b8033ca54ea477"
        threat_level = "medium"
        first_seen = "2022-12-12"
    condition:
        hash.sha256(0, filesize) == "c6b8033ca54ea4776a9c0db928b0e53e03086231b1dbd3ef28adde6616fd54a9"
}

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 c6b8033ca54ea4776a9c0db928b0e53e03086231b1dbd3ef28adde6616fd54a9 # MD5 511f51fb379cdb2dea75667c2d1b8f7e
TypeValueNote
sha256 c6b8033ca54ea4776a9c0db928b0e53e03086231b1dbd3ef28adde6616fd54a9 Sample:PureCrypter
md5 511f51fb379cdb2dea75667c2d1b8f7e Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi