GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25643ff407beeaa552b67d42113a3de8e7f1a6f3b7ede0912d4736b770440289585
MD533cbcd48a2447b5ebbf20a9283724dd6
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name43ff407beeaa552b67d42113a3de8e7f1a6f3b7ede0912d4736b770440289585
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 43ff407beeaa552b67d42113a3de8e7f1a6f3b7ede0912d4736b770440289585
  • MD5: 33cbcd48a2447b5ebbf20a9283724dd6

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: 43ff407beeaa552b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "43ff407beeaa552b67d42113a3de8e7f1a6f3b7ede0912d4736b770440289585"
}

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 43ff407beeaa552b67d42113a3de8e7f1a6f3b7ede0912d4736b770440289585 # MD5 33cbcd48a2447b5ebbf20a9283724dd6
TypeValueNote
sha256 43ff407beeaa552b67d42113a3de8e7f1a6f3b7ede0912d4736b770440289585 Sample:GandCrab
md5 33cbcd48a2447b5ebbf20a9283724dd6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi