GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d6138ba0f04b56619eae1000e86b113027f4697382870555bee8d632f082fafa
MD5af0134f99aa540d172eba4b8735b1b8a
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Named6138ba0f04b56619eae1000e86b113027f4697382870555bee8d632f082fafa
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d6138ba0f04b56619eae1000e86b113027f4697382870555bee8d632f082fafa
  • MD5: af0134f99aa540d172eba4b8735b1b8a

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: d6138ba0f04b5661"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d6138ba0f04b56619eae1000e86b113027f4697382870555bee8d632f082fafa"
}

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 d6138ba0f04b56619eae1000e86b113027f4697382870555bee8d632f082fafa # MD5 af0134f99aa540d172eba4b8735b1b8a
TypeValueNote
sha256 d6138ba0f04b56619eae1000e86b113027f4697382870555bee8d632f082fafa Sample:GandCrab
md5 af0134f99aa540d172eba4b8735b1b8a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi