GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c5eabf3ba20a165bf7ebdd5b0e95668ed4f6730fadc2ccc3664aaabf72fe68d8
MD5ee9429408b08cae696d69c48aef86d56
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namec5eabf3ba20a165bf7ebdd5b0e95668ed4f6730fadc2ccc3664aaabf72fe68d8
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c5eabf3ba20a165bf7ebdd5b0e95668ed4f6730fadc2ccc3664aaabf72fe68d8
  • MD5: ee9429408b08cae696d69c48aef86d56

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: c5eabf3ba20a165b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c5eabf3ba20a165bf7ebdd5b0e95668ed4f6730fadc2ccc3664aaabf72fe68d8"
}

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 c5eabf3ba20a165bf7ebdd5b0e95668ed4f6730fadc2ccc3664aaabf72fe68d8 # MD5 ee9429408b08cae696d69c48aef86d56
TypeValueNote
sha256 c5eabf3ba20a165bf7ebdd5b0e95668ed4f6730fadc2ccc3664aaabf72fe68d8 Sample:GandCrab
md5 ee9429408b08cae696d69c48aef86d56 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi