GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ad184a392986420b240e834be1f3aefb23538e2212640c87f2f4906d90b60f66
MD5e3ac4d5358312dc0ffc3559b25a1928a
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namead184a392986420b240e834be1f3aefb23538e2212640c87f2f4906d90b60f66
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: ad184a392986420b240e834be1f3aefb23538e2212640c87f2f4906d90b60f66
  • MD5: e3ac4d5358312dc0ffc3559b25a1928a

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: ad184a392986420b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ad184a392986420b240e834be1f3aefb23538e2212640c87f2f4906d90b60f66"
}

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 ad184a392986420b240e834be1f3aefb23538e2212640c87f2f4906d90b60f66 # MD5 e3ac4d5358312dc0ffc3559b25a1928a
TypeValueNote
sha256 ad184a392986420b240e834be1f3aefb23538e2212640c87f2f4906d90b60f66 Sample:GandCrab
md5 e3ac4d5358312dc0ffc3559b25a1928a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi