GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c3ca43b178fe8d6b78b4cc0cc49b46123a7ab9871be0ddef02381c1a0708bfac
MD58d1c7659669aa7705e3c82211a38792b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namec3ca43b178fe8d6b78b4cc0cc49b46123a7ab9871be0ddef02381c1a0708bfac
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: c3ca43b178fe8d6b78b4cc0cc49b46123a7ab9871be0ddef02381c1a0708bfac
  • MD5: 8d1c7659669aa7705e3c82211a38792b

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: c3ca43b178fe8d6b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c3ca43b178fe8d6b78b4cc0cc49b46123a7ab9871be0ddef02381c1a0708bfac"
}

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 c3ca43b178fe8d6b78b4cc0cc49b46123a7ab9871be0ddef02381c1a0708bfac # MD5 8d1c7659669aa7705e3c82211a38792b
TypeValueNote
sha256 c3ca43b178fe8d6b78b4cc0cc49b46123a7ab9871be0ddef02381c1a0708bfac Sample:GandCrab
md5 8d1c7659669aa7705e3c82211a38792b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi