GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25622c9b878b7ad6ada2c76e816df7f63b94b46ec867e95a8d3f6000fcbc5953136
MD5b5a5cac565226907304204689f205b8d
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name22c9b878b7ad6ada2c76e816df7f63b94b46ec867e95a8d3f6000fcbc5953136
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 22c9b878b7ad6ada2c76e816df7f63b94b46ec867e95a8d3f6000fcbc5953136
  • MD5: b5a5cac565226907304204689f205b8d

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: 22c9b878b7ad6ada"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "22c9b878b7ad6ada2c76e816df7f63b94b46ec867e95a8d3f6000fcbc5953136"
}

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 22c9b878b7ad6ada2c76e816df7f63b94b46ec867e95a8d3f6000fcbc5953136 # MD5 b5a5cac565226907304204689f205b8d
TypeValueNote
sha256 22c9b878b7ad6ada2c76e816df7f63b94b46ec867e95a8d3f6000fcbc5953136 Sample:GandCrab
md5 b5a5cac565226907304204689f205b8d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi