GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fbd21ec3458e75d55838efa9b3ae609328132b4c496af7a0a66838ba9e20628a
MD50be64268c0bbb57fe8fc79d9fc47ad66
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namefbd21ec3458e75d55838efa9b3ae609328132b4c496af7a0a66838ba9e20628a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: fbd21ec3458e75d55838efa9b3ae609328132b4c496af7a0a66838ba9e20628a
  • MD5: 0be64268c0bbb57fe8fc79d9fc47ad66

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: fbd21ec3458e75d5"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "fbd21ec3458e75d55838efa9b3ae609328132b4c496af7a0a66838ba9e20628a"
}

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 fbd21ec3458e75d55838efa9b3ae609328132b4c496af7a0a66838ba9e20628a # MD5 0be64268c0bbb57fe8fc79d9fc47ad66
TypeValueNote
sha256 fbd21ec3458e75d55838efa9b3ae609328132b4c496af7a0a66838ba9e20628a Sample:GandCrab
md5 0be64268c0bbb57fe8fc79d9fc47ad66 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi