GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c14ebfc076f06e2194587fd7246a520c648f78c4ed730be88c6f6deb0ae1f70a
MD5ee7cc21d62fd495198159bbae80dbcc2
File Typeexe
Size155.5 KB
First Seen2023-08-22
File Name2023-08-22_ee7cc21d62fd495198159bbae80dbcc2_gandcrab
TagsGandcrab

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: c14ebfc076f06e2194587fd7246a520c648f78c4ed730be88c6f6deb0ae1f70a
  • MD5: ee7cc21d62fd495198159bbae80dbcc2

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: c14ebfc076f06e21"
        threat_level = "critical"
        first_seen = "2023-08-22"
    condition:
        hash.sha256(0, filesize) == "c14ebfc076f06e2194587fd7246a520c648f78c4ed730be88c6f6deb0ae1f70a"
}

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 c14ebfc076f06e2194587fd7246a520c648f78c4ed730be88c6f6deb0ae1f70a # MD5 ee7cc21d62fd495198159bbae80dbcc2
TypeValueNote
sha256 c14ebfc076f06e2194587fd7246a520c648f78c4ed730be88c6f6deb0ae1f70a Sample:GandCrab
md5 ee7cc21d62fd495198159bbae80dbcc2 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi