GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560607034a90e6e2e2d718f5c1494c2740346d0fff288f15da99ee544f9b6c9c17
MD53ebbc8bc763bce9c935d41fdd0193731
File Typeexe
Size70.0 KB
First Seen2023-03-08
File Name2023-03-07_3ebbc8bc763bce9c935d41fdd0193731_gandcrab
TagsGandcrab

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: 0607034a90e6e2e2d718f5c1494c2740346d0fff288f15da99ee544f9b6c9c17
  • MD5: 3ebbc8bc763bce9c935d41fdd0193731

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: 0607034a90e6e2e2"
        threat_level = "critical"
        first_seen = "2023-03-08"
    condition:
        hash.sha256(0, filesize) == "0607034a90e6e2e2d718f5c1494c2740346d0fff288f15da99ee544f9b6c9c17"
}

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 0607034a90e6e2e2d718f5c1494c2740346d0fff288f15da99ee544f9b6c9c17 # MD5 3ebbc8bc763bce9c935d41fdd0193731
TypeValueNote
sha256 0607034a90e6e2e2d718f5c1494c2740346d0fff288f15da99ee544f9b6c9c17 Sample:GandCrab
md5 3ebbc8bc763bce9c935d41fdd0193731 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi