GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bf36890ae49a59d9a18e69c7f1da687940caccca90c6dc1711cbb64478591116
MD53aa2b6df88340823044f513161e150ad
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namebf36890ae49a59d9a18e69c7f1da687940caccca90c6dc1711cbb64478591116
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: bf36890ae49a59d9a18e69c7f1da687940caccca90c6dc1711cbb64478591116
  • MD5: 3aa2b6df88340823044f513161e150ad

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: bf36890ae49a59d9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "bf36890ae49a59d9a18e69c7f1da687940caccca90c6dc1711cbb64478591116"
}

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 bf36890ae49a59d9a18e69c7f1da687940caccca90c6dc1711cbb64478591116 # MD5 3aa2b6df88340823044f513161e150ad
TypeValueNote
sha256 bf36890ae49a59d9a18e69c7f1da687940caccca90c6dc1711cbb64478591116 Sample:GandCrab
md5 3aa2b6df88340823044f513161e150ad Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi