GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25633f1b0ff64ac9ed2e5bf583bd5195cc4f3ecf25d60be43690a2d88729c1eb626
MD5c19b8a56c9959cc6a30bd6e8dc4bb20d
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name33f1b0ff64ac9ed2e5bf583bd5195cc4f3ecf25d60be43690a2d88729c1eb626
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 33f1b0ff64ac9ed2e5bf583bd5195cc4f3ecf25d60be43690a2d88729c1eb626
  • MD5: c19b8a56c9959cc6a30bd6e8dc4bb20d

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: 33f1b0ff64ac9ed2"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "33f1b0ff64ac9ed2e5bf583bd5195cc4f3ecf25d60be43690a2d88729c1eb626"
}

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 33f1b0ff64ac9ed2e5bf583bd5195cc4f3ecf25d60be43690a2d88729c1eb626 # MD5 c19b8a56c9959cc6a30bd6e8dc4bb20d
TypeValueNote
sha256 33f1b0ff64ac9ed2e5bf583bd5195cc4f3ecf25d60be43690a2d88729c1eb626 Sample:GandCrab
md5 c19b8a56c9959cc6a30bd6e8dc4bb20d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi