GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564c48576b8d0ac5b24b735dc877964e789ffcb928377fe53bba7cdb9d6ee1ddb9
MD586990a447ae944bc2e1ad7ec738201e9
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name4c48576b8d0ac5b24b735dc877964e789ffcb928377fe53bba7cdb9d6ee1ddb9
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4c48576b8d0ac5b24b735dc877964e789ffcb928377fe53bba7cdb9d6ee1ddb9
  • MD5: 86990a447ae944bc2e1ad7ec738201e9

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: 4c48576b8d0ac5b2"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4c48576b8d0ac5b24b735dc877964e789ffcb928377fe53bba7cdb9d6ee1ddb9"
}

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 4c48576b8d0ac5b24b735dc877964e789ffcb928377fe53bba7cdb9d6ee1ddb9 # MD5 86990a447ae944bc2e1ad7ec738201e9
TypeValueNote
sha256 4c48576b8d0ac5b24b735dc877964e789ffcb928377fe53bba7cdb9d6ee1ddb9 Sample:GandCrab
md5 86990a447ae944bc2e1ad7ec738201e9 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi