GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bb9e7c82e017a7f08532de4bace431de0ecf31d9b6543849f0ac38e3d8aba249
MD548a2adca261a9f62943f3af569f914d9
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Namebb9e7c82e017a7f08532de4bace431de0ecf31d9b6543849f0ac38e3d8aba249
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: bb9e7c82e017a7f08532de4bace431de0ecf31d9b6543849f0ac38e3d8aba249
  • MD5: 48a2adca261a9f62943f3af569f914d9

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: bb9e7c82e017a7f0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "bb9e7c82e017a7f08532de4bace431de0ecf31d9b6543849f0ac38e3d8aba249"
}

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 bb9e7c82e017a7f08532de4bace431de0ecf31d9b6543849f0ac38e3d8aba249 # MD5 48a2adca261a9f62943f3af569f914d9
TypeValueNote
sha256 bb9e7c82e017a7f08532de4bace431de0ecf31d9b6543849f0ac38e3d8aba249 Sample:GandCrab
md5 48a2adca261a9f62943f3af569f914d9 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi