GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568e83effdac97c31173b25947e9610885d954167f49aa27933d5821fe84b608dd
MD53b6d0b1cd199aeb178f28ef3e85f41c6
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name8e83effdac97c31173b25947e9610885d954167f49aa27933d5821fe84b608dd
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 8e83effdac97c31173b25947e9610885d954167f49aa27933d5821fe84b608dd
  • MD5: 3b6d0b1cd199aeb178f28ef3e85f41c6

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: 8e83effdac97c311"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8e83effdac97c31173b25947e9610885d954167f49aa27933d5821fe84b608dd"
}

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 8e83effdac97c31173b25947e9610885d954167f49aa27933d5821fe84b608dd # MD5 3b6d0b1cd199aeb178f28ef3e85f41c6
TypeValueNote
sha256 8e83effdac97c31173b25947e9610885d954167f49aa27933d5821fe84b608dd Sample:GandCrab
md5 3b6d0b1cd199aeb178f28ef3e85f41c6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi