GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bbbb1b40d7c5e187ae5ceffdc92451e90e48a602c825f732c49d5fd3089a21c1
MD576c8647d0990499d069847a3c492a127
File Typeexe
Size196.5 KB
First Seen2022-08-30
File Namebbbb1b40d7c5e187ae5ceffdc92451e90e48a602c825f732c49d5fd3089a21c1
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: bbbb1b40d7c5e187ae5ceffdc92451e90e48a602c825f732c49d5fd3089a21c1
  • MD5: 76c8647d0990499d069847a3c492a127

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: bbbb1b40d7c5e187"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "bbbb1b40d7c5e187ae5ceffdc92451e90e48a602c825f732c49d5fd3089a21c1"
}

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 bbbb1b40d7c5e187ae5ceffdc92451e90e48a602c825f732c49d5fd3089a21c1 # MD5 76c8647d0990499d069847a3c492a127
TypeValueNote
sha256 bbbb1b40d7c5e187ae5ceffdc92451e90e48a602c825f732c49d5fd3089a21c1 Sample:GandCrab
md5 76c8647d0990499d069847a3c492a127 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi