GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f06e145397285f00131a4c5251149ce5b9eecd3f04883a9dc19d27396bb655ce
MD54fee7fcf90af5c21c34e6f8e4dc68a07
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namef06e145397285f00131a4c5251149ce5b9eecd3f04883a9dc19d27396bb655ce
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: f06e145397285f00131a4c5251149ce5b9eecd3f04883a9dc19d27396bb655ce
  • MD5: 4fee7fcf90af5c21c34e6f8e4dc68a07

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: f06e145397285f00"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f06e145397285f00131a4c5251149ce5b9eecd3f04883a9dc19d27396bb655ce"
}

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 f06e145397285f00131a4c5251149ce5b9eecd3f04883a9dc19d27396bb655ce # MD5 4fee7fcf90af5c21c34e6f8e4dc68a07
TypeValueNote
sha256 f06e145397285f00131a4c5251149ce5b9eecd3f04883a9dc19d27396bb655ce Sample:GandCrab
md5 4fee7fcf90af5c21c34e6f8e4dc68a07 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi