GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564751a928ae75d68b8679f16b3643f262349fd968b0d70284ca3d09fc67a969b3
MD587f1fc048218240eba16ed41966fa9f0
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name4751a928ae75d68b8679f16b3643f262349fd968b0d70284ca3d09fc67a969b3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4751a928ae75d68b8679f16b3643f262349fd968b0d70284ca3d09fc67a969b3
  • MD5: 87f1fc048218240eba16ed41966fa9f0

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: 4751a928ae75d68b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4751a928ae75d68b8679f16b3643f262349fd968b0d70284ca3d09fc67a969b3"
}

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 4751a928ae75d68b8679f16b3643f262349fd968b0d70284ca3d09fc67a969b3 # MD5 87f1fc048218240eba16ed41966fa9f0
TypeValueNote
sha256 4751a928ae75d68b8679f16b3643f262349fd968b0d70284ca3d09fc67a969b3 Sample:GandCrab
md5 87f1fc048218240eba16ed41966fa9f0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi