GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256194125defaff75eb4decd43e06b4098bb5470a42ae222c62a5159474f252815c
MD5886a4d6a497ad94783c0c44659d5fdb4
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name194125defaff75eb4decd43e06b4098bb5470a42ae222c62a5159474f252815c
Tagsexe, Gandcrab

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: 194125defaff75eb4decd43e06b4098bb5470a42ae222c62a5159474f252815c
  • MD5: 886a4d6a497ad94783c0c44659d5fdb4

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: 194125defaff75eb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "194125defaff75eb4decd43e06b4098bb5470a42ae222c62a5159474f252815c"
}

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 194125defaff75eb4decd43e06b4098bb5470a42ae222c62a5159474f252815c # MD5 886a4d6a497ad94783c0c44659d5fdb4
TypeValueNote
sha256 194125defaff75eb4decd43e06b4098bb5470a42ae222c62a5159474f252815c Sample:GandCrab
md5 886a4d6a497ad94783c0c44659d5fdb4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi