GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256281e7e09294ffd9bad68bcf6226a142367cf8601c40a978c9f2a3ea357b97bd5
MD5154660432d93906e1daeff61a6f6bbc7
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name281e7e09294ffd9bad68bcf6226a142367cf8601c40a978c9f2a3ea357b97bd5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 281e7e09294ffd9bad68bcf6226a142367cf8601c40a978c9f2a3ea357b97bd5
  • MD5: 154660432d93906e1daeff61a6f6bbc7

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: 281e7e09294ffd9b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "281e7e09294ffd9bad68bcf6226a142367cf8601c40a978c9f2a3ea357b97bd5"
}

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 281e7e09294ffd9bad68bcf6226a142367cf8601c40a978c9f2a3ea357b97bd5 # MD5 154660432d93906e1daeff61a6f6bbc7
TypeValueNote
sha256 281e7e09294ffd9bad68bcf6226a142367cf8601c40a978c9f2a3ea357b97bd5 Sample:GandCrab
md5 154660432d93906e1daeff61a6f6bbc7 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi