GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25633f54b5d52282260d8140af9f14f3b690a6a51e22b4a554801702e1d689ed15c
MD5a0fd92fae2b129911ac11c857e91d139
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name33f54b5d52282260d8140af9f14f3b690a6a51e22b4a554801702e1d689ed15c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 33f54b5d52282260d8140af9f14f3b690a6a51e22b4a554801702e1d689ed15c
  • MD5: a0fd92fae2b129911ac11c857e91d139

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: 33f54b5d52282260"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "33f54b5d52282260d8140af9f14f3b690a6a51e22b4a554801702e1d689ed15c"
}

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 33f54b5d52282260d8140af9f14f3b690a6a51e22b4a554801702e1d689ed15c # MD5 a0fd92fae2b129911ac11c857e91d139
TypeValueNote
sha256 33f54b5d52282260d8140af9f14f3b690a6a51e22b4a554801702e1d689ed15c Sample:GandCrab
md5 a0fd92fae2b129911ac11c857e91d139 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi