GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d1a203abc6441967abbbe73c1057c5d16fc6042d891f29a18e7ca75487a0233c
MD5eeba1dc1dc9498972105787e6124d59f
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Named1a203abc6441967abbbe73c1057c5d16fc6042d891f29a18e7ca75487a0233c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d1a203abc6441967abbbe73c1057c5d16fc6042d891f29a18e7ca75487a0233c
  • MD5: eeba1dc1dc9498972105787e6124d59f

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: d1a203abc6441967"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d1a203abc6441967abbbe73c1057c5d16fc6042d891f29a18e7ca75487a0233c"
}

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 d1a203abc6441967abbbe73c1057c5d16fc6042d891f29a18e7ca75487a0233c # MD5 eeba1dc1dc9498972105787e6124d59f
TypeValueNote
sha256 d1a203abc6441967abbbe73c1057c5d16fc6042d891f29a18e7ca75487a0233c Sample:GandCrab
md5 eeba1dc1dc9498972105787e6124d59f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi