GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564eb1eea693895adbc787f790a42c360529a47449642a846de77709ccc525aa84
MD50c83bbe9d3c7545d764666edbe013d3e
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name4eb1eea693895adbc787f790a42c360529a47449642a846de77709ccc525aa84
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4eb1eea693895adbc787f790a42c360529a47449642a846de77709ccc525aa84
  • MD5: 0c83bbe9d3c7545d764666edbe013d3e

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: 4eb1eea693895adb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4eb1eea693895adbc787f790a42c360529a47449642a846de77709ccc525aa84"
}

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 4eb1eea693895adbc787f790a42c360529a47449642a846de77709ccc525aa84 # MD5 0c83bbe9d3c7545d764666edbe013d3e
TypeValueNote
sha256 4eb1eea693895adbc787f790a42c360529a47449642a846de77709ccc525aa84 Sample:GandCrab
md5 0c83bbe9d3c7545d764666edbe013d3e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi