GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25687c1e94df18cf100791d486ab76239d4cd156efd1930783e3c1b66aae3ccd9ec
MD5cddd8783483afcd62ac9472c7526a755
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name87c1e94df18cf100791d486ab76239d4cd156efd1930783e3c1b66aae3ccd9ec
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 87c1e94df18cf100791d486ab76239d4cd156efd1930783e3c1b66aae3ccd9ec
  • MD5: cddd8783483afcd62ac9472c7526a755

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: 87c1e94df18cf100"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "87c1e94df18cf100791d486ab76239d4cd156efd1930783e3c1b66aae3ccd9ec"
}

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 87c1e94df18cf100791d486ab76239d4cd156efd1930783e3c1b66aae3ccd9ec # MD5 cddd8783483afcd62ac9472c7526a755
TypeValueNote
sha256 87c1e94df18cf100791d486ab76239d4cd156efd1930783e3c1b66aae3ccd9ec Sample:GandCrab
md5 cddd8783483afcd62ac9472c7526a755 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi