GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d53745aceea40c12b6a5b2c73245f807c34c59bb8d9aa1751374096b2963c68d
MD538672be9ede468e7d6f672bf4c9d192b
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Named53745aceea40c12b6a5b2c73245f807c34c59bb8d9aa1751374096b2963c68d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d53745aceea40c12b6a5b2c73245f807c34c59bb8d9aa1751374096b2963c68d
  • MD5: 38672be9ede468e7d6f672bf4c9d192b

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: d53745aceea40c12"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d53745aceea40c12b6a5b2c73245f807c34c59bb8d9aa1751374096b2963c68d"
}

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 d53745aceea40c12b6a5b2c73245f807c34c59bb8d9aa1751374096b2963c68d # MD5 38672be9ede468e7d6f672bf4c9d192b
TypeValueNote
sha256 d53745aceea40c12b6a5b2c73245f807c34c59bb8d9aa1751374096b2963c68d Sample:GandCrab
md5 38672be9ede468e7d6f672bf4c9d192b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi