GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25679c2987bf2cb6ded3d9e354d533d83494d66d8e9992a16a4e909d33efba6b9aa
MD5e336447e2c59588851372050906897e8
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name79c2987bf2cb6ded3d9e354d533d83494d66d8e9992a16a4e909d33efba6b9aa
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 79c2987bf2cb6ded3d9e354d533d83494d66d8e9992a16a4e909d33efba6b9aa
  • MD5: e336447e2c59588851372050906897e8

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: 79c2987bf2cb6ded"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "79c2987bf2cb6ded3d9e354d533d83494d66d8e9992a16a4e909d33efba6b9aa"
}

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 79c2987bf2cb6ded3d9e354d533d83494d66d8e9992a16a4e909d33efba6b9aa # MD5 e336447e2c59588851372050906897e8
TypeValueNote
sha256 79c2987bf2cb6ded3d9e354d533d83494d66d8e9992a16a4e909d33efba6b9aa Sample:GandCrab
md5 e336447e2c59588851372050906897e8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi