GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ac854063dfeebe06192a0350ddda6f16bd5176cc1d1083ec02b8bd167e7fa4af
MD55dd2a174dd88f6f73cffbc043020a1a7
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Nameac854063dfeebe06192a0350ddda6f16bd5176cc1d1083ec02b8bd167e7fa4af
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: ac854063dfeebe06192a0350ddda6f16bd5176cc1d1083ec02b8bd167e7fa4af
  • MD5: 5dd2a174dd88f6f73cffbc043020a1a7

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: ac854063dfeebe06"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ac854063dfeebe06192a0350ddda6f16bd5176cc1d1083ec02b8bd167e7fa4af"
}

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 ac854063dfeebe06192a0350ddda6f16bd5176cc1d1083ec02b8bd167e7fa4af # MD5 5dd2a174dd88f6f73cffbc043020a1a7
TypeValueNote
sha256 ac854063dfeebe06192a0350ddda6f16bd5176cc1d1083ec02b8bd167e7fa4af Sample:GandCrab
md5 5dd2a174dd88f6f73cffbc043020a1a7 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi