GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25653f6790814ffde9dc0d0a64e4423e080bd836b24ca8a3075bb2fa4d3efa1c3b5
MD592b62ba83d1dd9cd66b6f984317ef32b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name53f6790814ffde9dc0d0a64e4423e080bd836b24ca8a3075bb2fa4d3efa1c3b5
Tagsexe, 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: 53f6790814ffde9dc0d0a64e4423e080bd836b24ca8a3075bb2fa4d3efa1c3b5
  • MD5: 92b62ba83d1dd9cd66b6f984317ef32b

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: 53f6790814ffde9d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "53f6790814ffde9dc0d0a64e4423e080bd836b24ca8a3075bb2fa4d3efa1c3b5"
}

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 53f6790814ffde9dc0d0a64e4423e080bd836b24ca8a3075bb2fa4d3efa1c3b5 # MD5 92b62ba83d1dd9cd66b6f984317ef32b
TypeValueNote
sha256 53f6790814ffde9dc0d0a64e4423e080bd836b24ca8a3075bb2fa4d3efa1c3b5 Sample:GandCrab
md5 92b62ba83d1dd9cd66b6f984317ef32b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi