GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d08330667cbf56bf25b249d0bc2ef414168cb6e77c16070085c9808bd4da95e0
MD5ea7fbab54b031461e78a5503508631c0
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Named08330667cbf56bf25b249d0bc2ef414168cb6e77c16070085c9808bd4da95e0
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d08330667cbf56bf25b249d0bc2ef414168cb6e77c16070085c9808bd4da95e0
  • MD5: ea7fbab54b031461e78a5503508631c0

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: d08330667cbf56bf"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d08330667cbf56bf25b249d0bc2ef414168cb6e77c16070085c9808bd4da95e0"
}

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 d08330667cbf56bf25b249d0bc2ef414168cb6e77c16070085c9808bd4da95e0 # MD5 ea7fbab54b031461e78a5503508631c0
TypeValueNote
sha256 d08330667cbf56bf25b249d0bc2ef414168cb6e77c16070085c9808bd4da95e0 Sample:GandCrab
md5 ea7fbab54b031461e78a5503508631c0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi