GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25627ddc7c816b9d449e3e51080f54b9c45b0c0dc80cd7de38a9698a46dd8f0e73a
MD58fe33f56ca185e303359f4724b85fbf3
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name27ddc7c816b9d449e3e51080f54b9c45b0c0dc80cd7de38a9698a46dd8f0e73a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 27ddc7c816b9d449e3e51080f54b9c45b0c0dc80cd7de38a9698a46dd8f0e73a
  • MD5: 8fe33f56ca185e303359f4724b85fbf3

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: 27ddc7c816b9d449"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "27ddc7c816b9d449e3e51080f54b9c45b0c0dc80cd7de38a9698a46dd8f0e73a"
}

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 27ddc7c816b9d449e3e51080f54b9c45b0c0dc80cd7de38a9698a46dd8f0e73a # MD5 8fe33f56ca185e303359f4724b85fbf3
TypeValueNote
sha256 27ddc7c816b9d449e3e51080f54b9c45b0c0dc80cd7de38a9698a46dd8f0e73a Sample:GandCrab
md5 8fe33f56ca185e303359f4724b85fbf3 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi