GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fbdabd9fb1259c2fd91280f26ea2d629558f2613ab62849d43b32b9afff2b9b9
MD57222254955550462f1aca419a892aa95
File Typeexe
Size283.0 KB
First Seen2023-02-01
File Nameutility.exe
Tags64, exe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: fbdabd9fb1259c2fd91280f26ea2d629558f2613ab62849d43b32b9afff2b9b9
  • MD5: 7222254955550462f1aca419a892aa95

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: fbdabd9fb1259c2f"
        threat_level = "critical"
        first_seen = "2023-02-01"
    condition:
        hash.sha256(0, filesize) == "fbdabd9fb1259c2fd91280f26ea2d629558f2613ab62849d43b32b9afff2b9b9"
}

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 fbdabd9fb1259c2fd91280f26ea2d629558f2613ab62849d43b32b9afff2b9b9 # MD5 7222254955550462f1aca419a892aa95
TypeValueNote
sha256 fbdabd9fb1259c2fd91280f26ea2d629558f2613ab62849d43b32b9afff2b9b9 Sample:GandCrab
md5 7222254955550462f1aca419a892aa95 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi