GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25658eb88929f814b47d32dba4700af1942a430374c87b5cade6696c0311f1ad8e2
MD5f61aa3d09eeb25cd63a749c7ec1f3132
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name58eb88929f814b47d32dba4700af1942a430374c87b5cade6696c0311f1ad8e2
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 58eb88929f814b47d32dba4700af1942a430374c87b5cade6696c0311f1ad8e2
  • MD5: f61aa3d09eeb25cd63a749c7ec1f3132

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: 58eb88929f814b47"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "58eb88929f814b47d32dba4700af1942a430374c87b5cade6696c0311f1ad8e2"
}

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 58eb88929f814b47d32dba4700af1942a430374c87b5cade6696c0311f1ad8e2 # MD5 f61aa3d09eeb25cd63a749c7ec1f3132
TypeValueNote
sha256 58eb88929f814b47d32dba4700af1942a430374c87b5cade6696c0311f1ad8e2 Sample:GandCrab
md5 f61aa3d09eeb25cd63a749c7ec1f3132 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi