GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562ffd3b085482a552656adb4fad086db0bb2cd9ec19e0ab4b3b22677d1e6efead
MD599089ea44da27ec8f0b5e80fce753993
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name2ffd3b085482a552656adb4fad086db0bb2cd9ec19e0ab4b3b22677d1e6efead
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2ffd3b085482a552656adb4fad086db0bb2cd9ec19e0ab4b3b22677d1e6efead
  • MD5: 99089ea44da27ec8f0b5e80fce753993

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: 2ffd3b085482a552"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2ffd3b085482a552656adb4fad086db0bb2cd9ec19e0ab4b3b22677d1e6efead"
}

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 2ffd3b085482a552656adb4fad086db0bb2cd9ec19e0ab4b3b22677d1e6efead # MD5 99089ea44da27ec8f0b5e80fce753993
TypeValueNote
sha256 2ffd3b085482a552656adb4fad086db0bb2cd9ec19e0ab4b3b22677d1e6efead Sample:GandCrab
md5 99089ea44da27ec8f0b5e80fce753993 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi