GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d37eba399132764881195075abebd4fb3676b2cb9d23bb5461b430abd7e2ff65
MD50c4adb24c22f0ba09890ef4f8d7f5fa5
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Named37eba399132764881195075abebd4fb3676b2cb9d23bb5461b430abd7e2ff65
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: d37eba399132764881195075abebd4fb3676b2cb9d23bb5461b430abd7e2ff65
  • MD5: 0c4adb24c22f0ba09890ef4f8d7f5fa5

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: d37eba3991327648"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d37eba399132764881195075abebd4fb3676b2cb9d23bb5461b430abd7e2ff65"
}

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 d37eba399132764881195075abebd4fb3676b2cb9d23bb5461b430abd7e2ff65 # MD5 0c4adb24c22f0ba09890ef4f8d7f5fa5
TypeValueNote
sha256 d37eba399132764881195075abebd4fb3676b2cb9d23bb5461b430abd7e2ff65 Sample:GandCrab
md5 0c4adb24c22f0ba09890ef4f8d7f5fa5 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi