GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562d357935a4332db3c3d21c44669e481df9a5b4a4f9202ed6d9cbccf66a42f5ca
MD50e9c00cdda991206ff187d06f5eed61a
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name2d357935a4332db3c3d21c44669e481df9a5b4a4f9202ed6d9cbccf66a42f5ca
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2d357935a4332db3c3d21c44669e481df9a5b4a4f9202ed6d9cbccf66a42f5ca
  • MD5: 0e9c00cdda991206ff187d06f5eed61a

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: 2d357935a4332db3"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2d357935a4332db3c3d21c44669e481df9a5b4a4f9202ed6d9cbccf66a42f5ca"
}

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 2d357935a4332db3c3d21c44669e481df9a5b4a4f9202ed6d9cbccf66a42f5ca # MD5 0e9c00cdda991206ff187d06f5eed61a
TypeValueNote
sha256 2d357935a4332db3c3d21c44669e481df9a5b4a4f9202ed6d9cbccf66a42f5ca Sample:GandCrab
md5 0e9c00cdda991206ff187d06f5eed61a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi