GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e1ecf58d58f0a6329e232795571773992145b6de2033bd6b80cc2f7e3e47bf15
MD5880fdfa4b39be8cc4900b8b895f7f2c3
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namee1ecf58d58f0a6329e232795571773992145b6de2033bd6b80cc2f7e3e47bf15
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: e1ecf58d58f0a6329e232795571773992145b6de2033bd6b80cc2f7e3e47bf15
  • MD5: 880fdfa4b39be8cc4900b8b895f7f2c3

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: e1ecf58d58f0a632"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e1ecf58d58f0a6329e232795571773992145b6de2033bd6b80cc2f7e3e47bf15"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 e1ecf58d58f0a6329e232795571773992145b6de2033bd6b80cc2f7e3e47bf15 # MD5 880fdfa4b39be8cc4900b8b895f7f2c3
TypeValueNote
sha256 e1ecf58d58f0a6329e232795571773992145b6de2033bd6b80cc2f7e3e47bf15 Sample:GandCrab
md5 880fdfa4b39be8cc4900b8b895f7f2c3 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi