GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f1f12da468f002681461133b184ce325e0b23635d4b10b2fb6a96462a35ca228
MD57717bb27658b1f90666bb1a72ebc754a
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef1f12da468f002681461133b184ce325e0b23635d4b10b2fb6a96462a35ca228
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f1f12da468f002681461133b184ce325e0b23635d4b10b2fb6a96462a35ca228
  • MD5: 7717bb27658b1f90666bb1a72ebc754a

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: f1f12da468f00268"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f1f12da468f002681461133b184ce325e0b23635d4b10b2fb6a96462a35ca228"
}

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 f1f12da468f002681461133b184ce325e0b23635d4b10b2fb6a96462a35ca228 # MD5 7717bb27658b1f90666bb1a72ebc754a
TypeValueNote
sha256 f1f12da468f002681461133b184ce325e0b23635d4b10b2fb6a96462a35ca228 Sample:GandCrab
md5 7717bb27658b1f90666bb1a72ebc754a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi