GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560085f13770b5b1ef96b1f5b57474c44f4a21ae8befef06a17cd254f75a071ec2
MD5fbb12ff00c62ef58b38385d06abb4f43
File Typeexe
Size167.0 KB
First Seen2023-09-28
File Namefbb12ff00c62ef58b38385d06abb4f43.exe
Tagsexe, Gandcrab, HUN, Ransomware

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: 0085f13770b5b1ef96b1f5b57474c44f4a21ae8befef06a17cd254f75a071ec2
  • MD5: fbb12ff00c62ef58b38385d06abb4f43

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: 0085f13770b5b1ef"
        threat_level = "critical"
        first_seen = "2023-09-28"
    condition:
        hash.sha256(0, filesize) == "0085f13770b5b1ef96b1f5b57474c44f4a21ae8befef06a17cd254f75a071ec2"
}

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 0085f13770b5b1ef96b1f5b57474c44f4a21ae8befef06a17cd254f75a071ec2 # MD5 fbb12ff00c62ef58b38385d06abb4f43
TypeValueNote
sha256 0085f13770b5b1ef96b1f5b57474c44f4a21ae8befef06a17cd254f75a071ec2 Sample:GandCrab
md5 fbb12ff00c62ef58b38385d06abb4f43 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi