GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d0d36be58812082d96e1f1d99f2d138a87822dd79b5ee7617a58c6fffb252514
MD5a8f45123b9ccfa49fac23dd8dfb52b2d
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Named0d36be58812082d96e1f1d99f2d138a87822dd79b5ee7617a58c6fffb252514
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d0d36be58812082d96e1f1d99f2d138a87822dd79b5ee7617a58c6fffb252514
  • MD5: a8f45123b9ccfa49fac23dd8dfb52b2d

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: d0d36be58812082d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d0d36be58812082d96e1f1d99f2d138a87822dd79b5ee7617a58c6fffb252514"
}

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 d0d36be58812082d96e1f1d99f2d138a87822dd79b5ee7617a58c6fffb252514 # MD5 a8f45123b9ccfa49fac23dd8dfb52b2d
TypeValueNote
sha256 d0d36be58812082d96e1f1d99f2d138a87822dd79b5ee7617a58c6fffb252514 Sample:GandCrab
md5 a8f45123b9ccfa49fac23dd8dfb52b2d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi