GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566c1ed5eb1267d95d8a0dc8e1975923ebefd809c2027427b4ead867fb72703f82
MD549eb4afe5b817ed56eacf504c80106d1
File Typeexe
Size206.0 KB
First Seen2023-04-11
File Namenew.bin
TagsGandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 6c1ed5eb1267d95d8a0dc8e1975923ebefd809c2027427b4ead867fb72703f82
  • MD5: 49eb4afe5b817ed56eacf504c80106d1

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: 6c1ed5eb1267d95d"
        threat_level = "critical"
        first_seen = "2023-04-11"
    condition:
        hash.sha256(0, filesize) == "6c1ed5eb1267d95d8a0dc8e1975923ebefd809c2027427b4ead867fb72703f82"
}

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 6c1ed5eb1267d95d8a0dc8e1975923ebefd809c2027427b4ead867fb72703f82 # MD5 49eb4afe5b817ed56eacf504c80106d1
TypeValueNote
sha256 6c1ed5eb1267d95d8a0dc8e1975923ebefd809c2027427b4ead867fb72703f82 Sample:GandCrab
md5 49eb4afe5b817ed56eacf504c80106d1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi