GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d7ffa0d8566702474790d7cbbbf9d51e9937d82582f82e1a00ddb1c489700d62
MD52b1bcfc32cbee85ce86612955f1aa10e
File Typeexe
Size99.0 KB
First Seen2022-08-30
File Named7ffa0d8566702474790d7cbbbf9d51e9937d82582f82e1a00ddb1c489700d62
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d7ffa0d8566702474790d7cbbbf9d51e9937d82582f82e1a00ddb1c489700d62
  • MD5: 2b1bcfc32cbee85ce86612955f1aa10e

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: d7ffa0d856670247"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d7ffa0d8566702474790d7cbbbf9d51e9937d82582f82e1a00ddb1c489700d62"
}

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 d7ffa0d8566702474790d7cbbbf9d51e9937d82582f82e1a00ddb1c489700d62 # MD5 2b1bcfc32cbee85ce86612955f1aa10e
TypeValueNote
sha256 d7ffa0d8566702474790d7cbbbf9d51e9937d82582f82e1a00ddb1c489700d62 Sample:GandCrab
md5 2b1bcfc32cbee85ce86612955f1aa10e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi