GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256125f75320c80d5b4d73c000058f26e92207d28a3d7d88551041f7a62f2a59e3c
MD585fab8174bc91d7c0538fb67336e852c
File Typeexe
Size214.0 KB
First Seen2022-11-29
File Name0c7fcf278d72608caf7443e8830f2365c67f9916
Tagsexe, Gandcrab, Ransomware

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: 125f75320c80d5b4d73c000058f26e92207d28a3d7d88551041f7a62f2a59e3c
  • MD5: 85fab8174bc91d7c0538fb67336e852c

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: 125f75320c80d5b4"
        threat_level = "critical"
        first_seen = "2022-11-29"
    condition:
        hash.sha256(0, filesize) == "125f75320c80d5b4d73c000058f26e92207d28a3d7d88551041f7a62f2a59e3c"
}

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 125f75320c80d5b4d73c000058f26e92207d28a3d7d88551041f7a62f2a59e3c # MD5 85fab8174bc91d7c0538fb67336e852c
TypeValueNote
sha256 125f75320c80d5b4d73c000058f26e92207d28a3d7d88551041f7a62f2a59e3c Sample:GandCrab
md5 85fab8174bc91d7c0538fb67336e852c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi