GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ab14f462141fd6d559fcf50dd92e7c7571a6ecf8986c9be7af85baf8f025bbe9
MD568c2467e6868c6918a82b7d91dbbfc2a
File Typeexe
Size73.5 KB
First Seen2022-12-18
File Nameab14f462141fd6d559fcf50dd92e7c7571a6ecf8986c9be7af85baf8f025bbe9
Tagsexe, Gandcrab, Ransomware

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: ab14f462141fd6d559fcf50dd92e7c7571a6ecf8986c9be7af85baf8f025bbe9
  • MD5: 68c2467e6868c6918a82b7d91dbbfc2a

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: ab14f462141fd6d5"
        threat_level = "critical"
        first_seen = "2022-12-18"
    condition:
        hash.sha256(0, filesize) == "ab14f462141fd6d559fcf50dd92e7c7571a6ecf8986c9be7af85baf8f025bbe9"
}

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 ab14f462141fd6d559fcf50dd92e7c7571a6ecf8986c9be7af85baf8f025bbe9 # MD5 68c2467e6868c6918a82b7d91dbbfc2a
TypeValueNote
sha256 ab14f462141fd6d559fcf50dd92e7c7571a6ecf8986c9be7af85baf8f025bbe9 Sample:GandCrab
md5 68c2467e6868c6918a82b7d91dbbfc2a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi