GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256dacc126c2d84567a873583984e9d14d1547863826700b393f89d5068d4f5db53
MD556729dc0032b9dbce323029ea15717ec
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namedacc126c2d84567a873583984e9d14d1547863826700b393f89d5068d4f5db53
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: dacc126c2d84567a873583984e9d14d1547863826700b393f89d5068d4f5db53
  • MD5: 56729dc0032b9dbce323029ea15717ec

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: dacc126c2d84567a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "dacc126c2d84567a873583984e9d14d1547863826700b393f89d5068d4f5db53"
}

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 dacc126c2d84567a873583984e9d14d1547863826700b393f89d5068d4f5db53 # MD5 56729dc0032b9dbce323029ea15717ec
TypeValueNote
sha256 dacc126c2d84567a873583984e9d14d1547863826700b393f89d5068d4f5db53 Sample:GandCrab
md5 56729dc0032b9dbce323029ea15717ec Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi