GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562b08f76f498bb0ff78526a4ef5ddf20a5c92236b941c778e6e5938d4ebec9675
MD5f7c1c744b1436484df5c9d375828938f
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name2b08f76f498bb0ff78526a4ef5ddf20a5c92236b941c778e6e5938d4ebec9675
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2b08f76f498bb0ff78526a4ef5ddf20a5c92236b941c778e6e5938d4ebec9675
  • MD5: f7c1c744b1436484df5c9d375828938f

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: 2b08f76f498bb0ff"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2b08f76f498bb0ff78526a4ef5ddf20a5c92236b941c778e6e5938d4ebec9675"
}

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 2b08f76f498bb0ff78526a4ef5ddf20a5c92236b941c778e6e5938d4ebec9675 # MD5 f7c1c744b1436484df5c9d375828938f
TypeValueNote
sha256 2b08f76f498bb0ff78526a4ef5ddf20a5c92236b941c778e6e5938d4ebec9675 Sample:GandCrab
md5 f7c1c744b1436484df5c9d375828938f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi