GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25661854e338104d3e7ad34c8465c261d87a8b47c6dd493fd0e643efecd80594c57
MD5d3d6d2b6e298db7d090477969b217092
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name61854e338104d3e7ad34c8465c261d87a8b47c6dd493fd0e643efecd80594c57
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 61854e338104d3e7ad34c8465c261d87a8b47c6dd493fd0e643efecd80594c57
  • MD5: d3d6d2b6e298db7d090477969b217092

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: 61854e338104d3e7"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "61854e338104d3e7ad34c8465c261d87a8b47c6dd493fd0e643efecd80594c57"
}

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 61854e338104d3e7ad34c8465c261d87a8b47c6dd493fd0e643efecd80594c57 # MD5 d3d6d2b6e298db7d090477969b217092
TypeValueNote
sha256 61854e338104d3e7ad34c8465c261d87a8b47c6dd493fd0e643efecd80594c57 Sample:GandCrab
md5 d3d6d2b6e298db7d090477969b217092 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi