GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567ad67dcb55d0c23d33fdc61f285a7cba92550841dbe56637cdd5abc4d0790f4d
MD5f2edc94d0f6d47511f5021bd359616fb
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name7ad67dcb55d0c23d33fdc61f285a7cba92550841dbe56637cdd5abc4d0790f4d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 7ad67dcb55d0c23d33fdc61f285a7cba92550841dbe56637cdd5abc4d0790f4d
  • MD5: f2edc94d0f6d47511f5021bd359616fb

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: 7ad67dcb55d0c23d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7ad67dcb55d0c23d33fdc61f285a7cba92550841dbe56637cdd5abc4d0790f4d"
}

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 7ad67dcb55d0c23d33fdc61f285a7cba92550841dbe56637cdd5abc4d0790f4d # MD5 f2edc94d0f6d47511f5021bd359616fb
TypeValueNote
sha256 7ad67dcb55d0c23d33fdc61f285a7cba92550841dbe56637cdd5abc4d0790f4d Sample:GandCrab
md5 f2edc94d0f6d47511f5021bd359616fb Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi