GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560082508e75c453d1584c0e90ab1a9ace0fc9b3e3a42a4cf7913f15ea64c36244
MD5b77be676da20b61e4bfab61028165734
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name0082508e75c453d1584c0e90ab1a9ace0fc9b3e3a42a4cf7913f15ea64c36244
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: 0082508e75c453d1584c0e90ab1a9ace0fc9b3e3a42a4cf7913f15ea64c36244
  • MD5: b77be676da20b61e4bfab61028165734

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: 0082508e75c453d1"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "0082508e75c453d1584c0e90ab1a9ace0fc9b3e3a42a4cf7913f15ea64c36244"
}

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 0082508e75c453d1584c0e90ab1a9ace0fc9b3e3a42a4cf7913f15ea64c36244 # MD5 b77be676da20b61e4bfab61028165734
TypeValueNote
sha256 0082508e75c453d1584c0e90ab1a9ace0fc9b3e3a42a4cf7913f15ea64c36244 Sample:GandCrab
md5 b77be676da20b61e4bfab61028165734 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi