GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256182d2e341b45c557e252ecebc499fdd315765d6d8b94bf4a4bed4a5a431fbdfd
MD5ef063eb9d03d41572de75e242956cf8c
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name182d2e341b45c557e252ecebc499fdd315765d6d8b94bf4a4bed4a5a431fbdfd
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 182d2e341b45c557e252ecebc499fdd315765d6d8b94bf4a4bed4a5a431fbdfd
  • MD5: ef063eb9d03d41572de75e242956cf8c

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: 182d2e341b45c557"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "182d2e341b45c557e252ecebc499fdd315765d6d8b94bf4a4bed4a5a431fbdfd"
}

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 182d2e341b45c557e252ecebc499fdd315765d6d8b94bf4a4bed4a5a431fbdfd # MD5 ef063eb9d03d41572de75e242956cf8c
TypeValueNote
sha256 182d2e341b45c557e252ecebc499fdd315765d6d8b94bf4a4bed4a5a431fbdfd Sample:GandCrab
md5 ef063eb9d03d41572de75e242956cf8c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi