GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256378a3703747714548c47436724eed584d20226c0ea675bce561bc4618b268636
MD5c992fcf14e8bcf041aa2414e046a6670
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name378a3703747714548c47436724eed584d20226c0ea675bce561bc4618b268636
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 378a3703747714548c47436724eed584d20226c0ea675bce561bc4618b268636
  • MD5: c992fcf14e8bcf041aa2414e046a6670

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: 378a370374771454"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "378a3703747714548c47436724eed584d20226c0ea675bce561bc4618b268636"
}

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 378a3703747714548c47436724eed584d20226c0ea675bce561bc4618b268636 # MD5 c992fcf14e8bcf041aa2414e046a6670
TypeValueNote
sha256 378a3703747714548c47436724eed584d20226c0ea675bce561bc4618b268636 Sample:GandCrab
md5 c992fcf14e8bcf041aa2414e046a6670 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi