GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256953b855a80d70dacded4c63f7b1c804117de864f29112fa6a406dbab07e17265
MD5940619afa3a809b5a81a828a4ec87ee8
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name953b855a80d70dacded4c63f7b1c804117de864f29112fa6a406dbab07e17265
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 953b855a80d70dacded4c63f7b1c804117de864f29112fa6a406dbab07e17265
  • MD5: 940619afa3a809b5a81a828a4ec87ee8

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: 953b855a80d70dac"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "953b855a80d70dacded4c63f7b1c804117de864f29112fa6a406dbab07e17265"
}

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 953b855a80d70dacded4c63f7b1c804117de864f29112fa6a406dbab07e17265 # MD5 940619afa3a809b5a81a828a4ec87ee8
TypeValueNote
sha256 953b855a80d70dacded4c63f7b1c804117de864f29112fa6a406dbab07e17265 Sample:GandCrab
md5 940619afa3a809b5a81a828a4ec87ee8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi