GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c11f1ee7b5633bfdbc46c7149a7d88cf893cd4f53cad65f44341e918f1859edc
MD528f3670db16b1267fb988c83297be4be
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namec11f1ee7b5633bfdbc46c7149a7d88cf893cd4f53cad65f44341e918f1859edc
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: c11f1ee7b5633bfdbc46c7149a7d88cf893cd4f53cad65f44341e918f1859edc
  • MD5: 28f3670db16b1267fb988c83297be4be

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: c11f1ee7b5633bfd"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c11f1ee7b5633bfdbc46c7149a7d88cf893cd4f53cad65f44341e918f1859edc"
}

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 c11f1ee7b5633bfdbc46c7149a7d88cf893cd4f53cad65f44341e918f1859edc # MD5 28f3670db16b1267fb988c83297be4be
TypeValueNote
sha256 c11f1ee7b5633bfdbc46c7149a7d88cf893cd4f53cad65f44341e918f1859edc Sample:GandCrab
md5 28f3670db16b1267fb988c83297be4be Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi