GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561980ccdf74aa616d9184413d43320054e177d3ec1aea4d305198c8c2c03512c6
MD5aaa2744b6edd50be59ad286df39605f6
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name1980ccdf74aa616d9184413d43320054e177d3ec1aea4d305198c8c2c03512c6
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1980ccdf74aa616d9184413d43320054e177d3ec1aea4d305198c8c2c03512c6
  • MD5: aaa2744b6edd50be59ad286df39605f6

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: 1980ccdf74aa616d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1980ccdf74aa616d9184413d43320054e177d3ec1aea4d305198c8c2c03512c6"
}

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 1980ccdf74aa616d9184413d43320054e177d3ec1aea4d305198c8c2c03512c6 # MD5 aaa2744b6edd50be59ad286df39605f6
TypeValueNote
sha256 1980ccdf74aa616d9184413d43320054e177d3ec1aea4d305198c8c2c03512c6 Sample:GandCrab
md5 aaa2744b6edd50be59ad286df39605f6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi