GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25630980d275c96879877ea589fe8f3537051fd1a6b477c506816fb9a85a1861e4f
MD5eb3ae2ac3a909001994c4019e33be8ae
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name30980d275c96879877ea589fe8f3537051fd1a6b477c506816fb9a85a1861e4f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 30980d275c96879877ea589fe8f3537051fd1a6b477c506816fb9a85a1861e4f
  • MD5: eb3ae2ac3a909001994c4019e33be8ae

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: 30980d275c968798"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "30980d275c96879877ea589fe8f3537051fd1a6b477c506816fb9a85a1861e4f"
}

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 30980d275c96879877ea589fe8f3537051fd1a6b477c506816fb9a85a1861e4f # MD5 eb3ae2ac3a909001994c4019e33be8ae
TypeValueNote
sha256 30980d275c96879877ea589fe8f3537051fd1a6b477c506816fb9a85a1861e4f Sample:GandCrab
md5 eb3ae2ac3a909001994c4019e33be8ae Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi