GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568ae21a3013e2a39cea2f05a64130d4b9e1e7778300ba47c1fec447a32901d16b
MD523f0da3d3172470201241dfe2e7e616b
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name8ae21a3013e2a39cea2f05a64130d4b9e1e7778300ba47c1fec447a32901d16b
Tagsexe, Gandcrab

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: 8ae21a3013e2a39cea2f05a64130d4b9e1e7778300ba47c1fec447a32901d16b
  • MD5: 23f0da3d3172470201241dfe2e7e616b

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: 8ae21a3013e2a39c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8ae21a3013e2a39cea2f05a64130d4b9e1e7778300ba47c1fec447a32901d16b"
}

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 8ae21a3013e2a39cea2f05a64130d4b9e1e7778300ba47c1fec447a32901d16b # MD5 23f0da3d3172470201241dfe2e7e616b
TypeValueNote
sha256 8ae21a3013e2a39cea2f05a64130d4b9e1e7778300ba47c1fec447a32901d16b Sample:GandCrab
md5 23f0da3d3172470201241dfe2e7e616b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi