GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d25e762bf5e9bbca0d5592b42c36da233ee9d0225b92a5ac31cfa27cd18a1274
MD561ac142b13f740e944f409b890652cfe
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Named25e762bf5e9bbca0d5592b42c36da233ee9d0225b92a5ac31cfa27cd18a1274
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d25e762bf5e9bbca0d5592b42c36da233ee9d0225b92a5ac31cfa27cd18a1274
  • MD5: 61ac142b13f740e944f409b890652cfe

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: d25e762bf5e9bbca"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d25e762bf5e9bbca0d5592b42c36da233ee9d0225b92a5ac31cfa27cd18a1274"
}

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 d25e762bf5e9bbca0d5592b42c36da233ee9d0225b92a5ac31cfa27cd18a1274 # MD5 61ac142b13f740e944f409b890652cfe
TypeValueNote
sha256 d25e762bf5e9bbca0d5592b42c36da233ee9d0225b92a5ac31cfa27cd18a1274 Sample:GandCrab
md5 61ac142b13f740e944f409b890652cfe Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi