GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568ddd58dd646eefa8d858107af70597fb3a9640623875bcd675c0ef3df5e5dfa5
MD57ea3f0ee2f04bd9e613e0328689e89f9
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name8ddd58dd646eefa8d858107af70597fb3a9640623875bcd675c0ef3df5e5dfa5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 8ddd58dd646eefa8d858107af70597fb3a9640623875bcd675c0ef3df5e5dfa5
  • MD5: 7ea3f0ee2f04bd9e613e0328689e89f9

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: 8ddd58dd646eefa8"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8ddd58dd646eefa8d858107af70597fb3a9640623875bcd675c0ef3df5e5dfa5"
}

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 8ddd58dd646eefa8d858107af70597fb3a9640623875bcd675c0ef3df5e5dfa5 # MD5 7ea3f0ee2f04bd9e613e0328689e89f9
TypeValueNote
sha256 8ddd58dd646eefa8d858107af70597fb3a9640623875bcd675c0ef3df5e5dfa5 Sample:GandCrab
md5 7ea3f0ee2f04bd9e613e0328689e89f9 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi