GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25646b0d99a801b35d32312b9482c09477ae127bb0318249b07459101389da38ea7
MD557daa50d893176015c2f2e05ed6f97a4
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name46b0d99a801b35d32312b9482c09477ae127bb0318249b07459101389da38ea7
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 46b0d99a801b35d32312b9482c09477ae127bb0318249b07459101389da38ea7
  • MD5: 57daa50d893176015c2f2e05ed6f97a4

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: 46b0d99a801b35d3"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "46b0d99a801b35d32312b9482c09477ae127bb0318249b07459101389da38ea7"
}

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 46b0d99a801b35d32312b9482c09477ae127bb0318249b07459101389da38ea7 # MD5 57daa50d893176015c2f2e05ed6f97a4
TypeValueNote
sha256 46b0d99a801b35d32312b9482c09477ae127bb0318249b07459101389da38ea7 Sample:GandCrab
md5 57daa50d893176015c2f2e05ed6f97a4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi