GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f85399cb1864fb7fce0f1902db1cb1b45902d601108416aa7fd4e3a869ec55c0
MD50eabe059f84911449f17fdd20ce3072e
File Typeexe
Size70.0 KB
First Seen2023-03-08
File Name2023-03-07_0eabe059f84911449f17fdd20ce3072e_gandcrab
TagsGandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: f85399cb1864fb7fce0f1902db1cb1b45902d601108416aa7fd4e3a869ec55c0
  • MD5: 0eabe059f84911449f17fdd20ce3072e

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: f85399cb1864fb7f"
        threat_level = "critical"
        first_seen = "2023-03-08"
    condition:
        hash.sha256(0, filesize) == "f85399cb1864fb7fce0f1902db1cb1b45902d601108416aa7fd4e3a869ec55c0"
}

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 f85399cb1864fb7fce0f1902db1cb1b45902d601108416aa7fd4e3a869ec55c0 # MD5 0eabe059f84911449f17fdd20ce3072e
TypeValueNote
sha256 f85399cb1864fb7fce0f1902db1cb1b45902d601108416aa7fd4e3a869ec55c0 Sample:GandCrab
md5 0eabe059f84911449f17fdd20ce3072e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi