GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566127270eba20711800e52c4b142fd7e6ba083a9885df2081f6cc929b3d6b85f2
MD5dd3427b7ecc97a2eff88c47b33a66773
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name6127270eba20711800e52c4b142fd7e6ba083a9885df2081f6cc929b3d6b85f2
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 6127270eba20711800e52c4b142fd7e6ba083a9885df2081f6cc929b3d6b85f2
  • MD5: dd3427b7ecc97a2eff88c47b33a66773

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: 6127270eba207118"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6127270eba20711800e52c4b142fd7e6ba083a9885df2081f6cc929b3d6b85f2"
}

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 6127270eba20711800e52c4b142fd7e6ba083a9885df2081f6cc929b3d6b85f2 # MD5 dd3427b7ecc97a2eff88c47b33a66773
TypeValueNote
sha256 6127270eba20711800e52c4b142fd7e6ba083a9885df2081f6cc929b3d6b85f2 Sample:GandCrab
md5 dd3427b7ecc97a2eff88c47b33a66773 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi