GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565fc68366ba6b49d4dbc60c09ee889a1ceafe75309b370edccb584e3db748f23f
MD5d8d2db1e249ceb9ec52b6643a23ebbae
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name5fc68366ba6b49d4dbc60c09ee889a1ceafe75309b370edccb584e3db748f23f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5fc68366ba6b49d4dbc60c09ee889a1ceafe75309b370edccb584e3db748f23f
  • MD5: d8d2db1e249ceb9ec52b6643a23ebbae

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: 5fc68366ba6b49d4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5fc68366ba6b49d4dbc60c09ee889a1ceafe75309b370edccb584e3db748f23f"
}

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 5fc68366ba6b49d4dbc60c09ee889a1ceafe75309b370edccb584e3db748f23f # MD5 d8d2db1e249ceb9ec52b6643a23ebbae
TypeValueNote
sha256 5fc68366ba6b49d4dbc60c09ee889a1ceafe75309b370edccb584e3db748f23f Sample:GandCrab
md5 d8d2db1e249ceb9ec52b6643a23ebbae Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi