GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568528a84c94b69e86ced0d56d47d34125f0718fdc62311640fbfcd223f91f262a
MD573e2b69d759b9969300776c75f61c295
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name8528a84c94b69e86ced0d56d47d34125f0718fdc62311640fbfcd223f91f262a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 8528a84c94b69e86ced0d56d47d34125f0718fdc62311640fbfcd223f91f262a
  • MD5: 73e2b69d759b9969300776c75f61c295

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: 8528a84c94b69e86"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8528a84c94b69e86ced0d56d47d34125f0718fdc62311640fbfcd223f91f262a"
}

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 8528a84c94b69e86ced0d56d47d34125f0718fdc62311640fbfcd223f91f262a # MD5 73e2b69d759b9969300776c75f61c295
TypeValueNote
sha256 8528a84c94b69e86ced0d56d47d34125f0718fdc62311640fbfcd223f91f262a Sample:GandCrab
md5 73e2b69d759b9969300776c75f61c295 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi