GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561cd858b0118ea90d1866efa4ba81631df68a8caf18fb5a84c0081de1d471ea97
MD5eced4f881f2e7a00f3b3646608c1e176
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name1cd858b0118ea90d1866efa4ba81631df68a8caf18fb5a84c0081de1d471ea97
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1cd858b0118ea90d1866efa4ba81631df68a8caf18fb5a84c0081de1d471ea97
  • MD5: eced4f881f2e7a00f3b3646608c1e176

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: 1cd858b0118ea90d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1cd858b0118ea90d1866efa4ba81631df68a8caf18fb5a84c0081de1d471ea97"
}

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 1cd858b0118ea90d1866efa4ba81631df68a8caf18fb5a84c0081de1d471ea97 # MD5 eced4f881f2e7a00f3b3646608c1e176
TypeValueNote
sha256 1cd858b0118ea90d1866efa4ba81631df68a8caf18fb5a84c0081de1d471ea97 Sample:GandCrab
md5 eced4f881f2e7a00f3b3646608c1e176 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi