GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567d5a82259483aa2e24ca36743a3298a50e1f5efb9104a9096c535343d61107c8
MD5f2c8208f099e331a507a19dbe45a7f2c
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name7d5a82259483aa2e24ca36743a3298a50e1f5efb9104a9096c535343d61107c8
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 7d5a82259483aa2e24ca36743a3298a50e1f5efb9104a9096c535343d61107c8
  • MD5: f2c8208f099e331a507a19dbe45a7f2c

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: 7d5a82259483aa2e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7d5a82259483aa2e24ca36743a3298a50e1f5efb9104a9096c535343d61107c8"
}

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 7d5a82259483aa2e24ca36743a3298a50e1f5efb9104a9096c535343d61107c8 # MD5 f2c8208f099e331a507a19dbe45a7f2c
TypeValueNote
sha256 7d5a82259483aa2e24ca36743a3298a50e1f5efb9104a9096c535343d61107c8 Sample:GandCrab
md5 f2c8208f099e331a507a19dbe45a7f2c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi