GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562791833f21201c3dc9d959fae8b7387041ccf47ac24ea2fce49441999bf60abe
MD5212b9aa7c195679ca818298fabb486af
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name2791833f21201c3dc9d959fae8b7387041ccf47ac24ea2fce49441999bf60abe
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2791833f21201c3dc9d959fae8b7387041ccf47ac24ea2fce49441999bf60abe
  • MD5: 212b9aa7c195679ca818298fabb486af

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: 2791833f21201c3d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2791833f21201c3dc9d959fae8b7387041ccf47ac24ea2fce49441999bf60abe"
}

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 2791833f21201c3dc9d959fae8b7387041ccf47ac24ea2fce49441999bf60abe # MD5 212b9aa7c195679ca818298fabb486af
TypeValueNote
sha256 2791833f21201c3dc9d959fae8b7387041ccf47ac24ea2fce49441999bf60abe Sample:GandCrab
md5 212b9aa7c195679ca818298fabb486af Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi