GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e6b72845d290abdb478b1c5521447fcfe4a442da7c088cc6813f879be99c17b5
MD5acd1cdd503906438c29db38995767ad4
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namee6b72845d290abdb478b1c5521447fcfe4a442da7c088cc6813f879be99c17b5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: e6b72845d290abdb478b1c5521447fcfe4a442da7c088cc6813f879be99c17b5
  • MD5: acd1cdd503906438c29db38995767ad4

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: e6b72845d290abdb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e6b72845d290abdb478b1c5521447fcfe4a442da7c088cc6813f879be99c17b5"
}

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 e6b72845d290abdb478b1c5521447fcfe4a442da7c088cc6813f879be99c17b5 # MD5 acd1cdd503906438c29db38995767ad4
TypeValueNote
sha256 e6b72845d290abdb478b1c5521447fcfe4a442da7c088cc6813f879be99c17b5 Sample:GandCrab
md5 acd1cdd503906438c29db38995767ad4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi