GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b08dbdc4ac809442377a0d293e6c5f5cbfd382d50eef04944a5759d04ecf917a
MD51aafc253fa9fe127f695e609c44c4db8
File Typeexe
Size98.5 KB
First Seen2022-08-30
File Nameb08dbdc4ac809442377a0d293e6c5f5cbfd382d50eef04944a5759d04ecf917a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: b08dbdc4ac809442377a0d293e6c5f5cbfd382d50eef04944a5759d04ecf917a
  • MD5: 1aafc253fa9fe127f695e609c44c4db8

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: b08dbdc4ac809442"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "b08dbdc4ac809442377a0d293e6c5f5cbfd382d50eef04944a5759d04ecf917a"
}

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 b08dbdc4ac809442377a0d293e6c5f5cbfd382d50eef04944a5759d04ecf917a # MD5 1aafc253fa9fe127f695e609c44c4db8
TypeValueNote
sha256 b08dbdc4ac809442377a0d293e6c5f5cbfd382d50eef04944a5759d04ecf917a Sample:GandCrab
md5 1aafc253fa9fe127f695e609c44c4db8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi