GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bd16b703cd20e622e3e70e71bb4c68d1d1a3e14462f4b09978bbbb14e41625dc
MD5754bb8fb4818d2cd0abf553376004b89
File Typeexe
Size99.0 KB
First Seen2022-08-30
File Namebd16b703cd20e622e3e70e71bb4c68d1d1a3e14462f4b09978bbbb14e41625dc
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: bd16b703cd20e622e3e70e71bb4c68d1d1a3e14462f4b09978bbbb14e41625dc
  • MD5: 754bb8fb4818d2cd0abf553376004b89

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: bd16b703cd20e622"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "bd16b703cd20e622e3e70e71bb4c68d1d1a3e14462f4b09978bbbb14e41625dc"
}

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 bd16b703cd20e622e3e70e71bb4c68d1d1a3e14462f4b09978bbbb14e41625dc # MD5 754bb8fb4818d2cd0abf553376004b89
TypeValueNote
sha256 bd16b703cd20e622e3e70e71bb4c68d1d1a3e14462f4b09978bbbb14e41625dc Sample:GandCrab
md5 754bb8fb4818d2cd0abf553376004b89 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi