GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256948dd30fa17435d0713696ccbb6ebc338cf3c7cc20227eb18a059ed5d31e67c2
MD51019f4e0e9188f928e00303c30a3c036
File Typeexe
Size98.1 KB
First Seen2022-08-30
File Name948dd30fa17435d0713696ccbb6ebc338cf3c7cc20227eb18a059ed5d31e67c2
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 948dd30fa17435d0713696ccbb6ebc338cf3c7cc20227eb18a059ed5d31e67c2
  • MD5: 1019f4e0e9188f928e00303c30a3c036

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: 948dd30fa17435d0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "948dd30fa17435d0713696ccbb6ebc338cf3c7cc20227eb18a059ed5d31e67c2"
}

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 948dd30fa17435d0713696ccbb6ebc338cf3c7cc20227eb18a059ed5d31e67c2 # MD5 1019f4e0e9188f928e00303c30a3c036
TypeValueNote
sha256 948dd30fa17435d0713696ccbb6ebc338cf3c7cc20227eb18a059ed5d31e67c2 Sample:GandCrab
md5 1019f4e0e9188f928e00303c30a3c036 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi