GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25622ab8544fb6370a99f222630553aa14cdebb18b9e42d85c4008b375c11c3b430
MD520c281726dd443efc593f6ff1787191c
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name22ab8544fb6370a99f222630553aa14cdebb18b9e42d85c4008b375c11c3b430
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 22ab8544fb6370a99f222630553aa14cdebb18b9e42d85c4008b375c11c3b430
  • MD5: 20c281726dd443efc593f6ff1787191c

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: 22ab8544fb6370a9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "22ab8544fb6370a99f222630553aa14cdebb18b9e42d85c4008b375c11c3b430"
}

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 22ab8544fb6370a99f222630553aa14cdebb18b9e42d85c4008b375c11c3b430 # MD5 20c281726dd443efc593f6ff1787191c
TypeValueNote
sha256 22ab8544fb6370a99f222630553aa14cdebb18b9e42d85c4008b375c11c3b430 Sample:GandCrab
md5 20c281726dd443efc593f6ff1787191c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi