GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256854c1ee65bc3c6f61aefeac326e0fbebf8932490bfa51f1666b9c33a2baf0995
MD544ecb0b5881697cc18f9fec9c3265c2d
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name854c1ee65bc3c6f61aefeac326e0fbebf8932490bfa51f1666b9c33a2baf0995
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 854c1ee65bc3c6f61aefeac326e0fbebf8932490bfa51f1666b9c33a2baf0995
  • MD5: 44ecb0b5881697cc18f9fec9c3265c2d

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: 854c1ee65bc3c6f6"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "854c1ee65bc3c6f61aefeac326e0fbebf8932490bfa51f1666b9c33a2baf0995"
}

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 854c1ee65bc3c6f61aefeac326e0fbebf8932490bfa51f1666b9c33a2baf0995 # MD5 44ecb0b5881697cc18f9fec9c3265c2d
TypeValueNote
sha256 854c1ee65bc3c6f61aefeac326e0fbebf8932490bfa51f1666b9c33a2baf0995 Sample:GandCrab
md5 44ecb0b5881697cc18f9fec9c3265c2d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi