GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f7f1bc2781d188fb1c112e7d934f70871402c9a05656b32fe922d7ae4f28df16
MD5360621d1bacf62acab71663b7ed057d8
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef7f1bc2781d188fb1c112e7d934f70871402c9a05656b32fe922d7ae4f28df16
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f7f1bc2781d188fb1c112e7d934f70871402c9a05656b32fe922d7ae4f28df16
  • MD5: 360621d1bacf62acab71663b7ed057d8

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: f7f1bc2781d188fb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f7f1bc2781d188fb1c112e7d934f70871402c9a05656b32fe922d7ae4f28df16"
}

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 f7f1bc2781d188fb1c112e7d934f70871402c9a05656b32fe922d7ae4f28df16 # MD5 360621d1bacf62acab71663b7ed057d8
TypeValueNote
sha256 f7f1bc2781d188fb1c112e7d934f70871402c9a05656b32fe922d7ae4f28df16 Sample:GandCrab
md5 360621d1bacf62acab71663b7ed057d8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi