GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569040b7b5a0b77f375d43161ba3aacf5fe606ffda7e2b5af9aa6cd9c51c913c5c
MD5c50e1ea897985e1d8083042b216723e9
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name9040b7b5a0b77f375d43161ba3aacf5fe606ffda7e2b5af9aa6cd9c51c913c5c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 9040b7b5a0b77f375d43161ba3aacf5fe606ffda7e2b5af9aa6cd9c51c913c5c
  • MD5: c50e1ea897985e1d8083042b216723e9

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: 9040b7b5a0b77f37"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9040b7b5a0b77f375d43161ba3aacf5fe606ffda7e2b5af9aa6cd9c51c913c5c"
}

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 9040b7b5a0b77f375d43161ba3aacf5fe606ffda7e2b5af9aa6cd9c51c913c5c # MD5 c50e1ea897985e1d8083042b216723e9
TypeValueNote
sha256 9040b7b5a0b77f375d43161ba3aacf5fe606ffda7e2b5af9aa6cd9c51c913c5c Sample:GandCrab
md5 c50e1ea897985e1d8083042b216723e9 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi