GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25625910148a1f7caacb643b9e33ad7bbc343e7493480439bc6a9e9d5e522f04889
MD5e6d452d358d38e96ffff5e768d3c20eb
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name25910148a1f7caacb643b9e33ad7bbc343e7493480439bc6a9e9d5e522f04889
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: 25910148a1f7caacb643b9e33ad7bbc343e7493480439bc6a9e9d5e522f04889
  • MD5: e6d452d358d38e96ffff5e768d3c20eb

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: 25910148a1f7caac"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "25910148a1f7caacb643b9e33ad7bbc343e7493480439bc6a9e9d5e522f04889"
}

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 25910148a1f7caacb643b9e33ad7bbc343e7493480439bc6a9e9d5e522f04889 # MD5 e6d452d358d38e96ffff5e768d3c20eb
TypeValueNote
sha256 25910148a1f7caacb643b9e33ad7bbc343e7493480439bc6a9e9d5e522f04889 Sample:GandCrab
md5 e6d452d358d38e96ffff5e768d3c20eb Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi