PureCrypter | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256de2cc36754155ee17783f7f6df524a49e845208f3d58a8840210dc8101b60db8
MD5644ea477b14e89d7f6075c7619d6cef7
File Typexls
Size1081.0 KB
First Seen2023-02-24
File NameDOC_NEW ORDER 548886.xls
TagsCVE-2017-11882, purecrypter, xls

Malware Family: PureCrypter

PureCrypter, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: de2cc36754155ee17783f7f6df524a49e845208f3d58a8840210dc8101b60db8
  • MD5: 644ea477b14e89d7f6075c7619d6cef7

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: de2cc36754155ee1"
        threat_level = "medium"
        first_seen = "2023-02-24"
    condition:
        hash.sha256(0, filesize) == "de2cc36754155ee17783f7f6df524a49e845208f3d58a8840210dc8101b60db8"
}

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 de2cc36754155ee17783f7f6df524a49e845208f3d58a8840210dc8101b60db8 # MD5 644ea477b14e89d7f6075c7619d6cef7
TypeValueNote
sha256 de2cc36754155ee17783f7f6df524a49e845208f3d58a8840210dc8101b60db8 Sample:PureCrypter
md5 644ea477b14e89d7f6075c7619d6cef7 Sample:PureCrypter
Tags
purecrypterloadermalwaremediumsha256hash-analizi