GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c26b860c2e635ba6da375d43c5f73b277b2a41cfbbb88207539310905667f050
MD5547fb7a83247e5f6028c9e87e302caf6
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namec26b860c2e635ba6da375d43c5f73b277b2a41cfbbb88207539310905667f050
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c26b860c2e635ba6da375d43c5f73b277b2a41cfbbb88207539310905667f050
  • MD5: 547fb7a83247e5f6028c9e87e302caf6

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: c26b860c2e635ba6"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c26b860c2e635ba6da375d43c5f73b277b2a41cfbbb88207539310905667f050"
}

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 c26b860c2e635ba6da375d43c5f73b277b2a41cfbbb88207539310905667f050 # MD5 547fb7a83247e5f6028c9e87e302caf6
TypeValueNote
sha256 c26b860c2e635ba6da375d43c5f73b277b2a41cfbbb88207539310905667f050 Sample:GandCrab
md5 547fb7a83247e5f6028c9e87e302caf6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi