GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25638610170c4fa99fe68544b31a41e1a0ff50929bd787f59e195ab6036607b83c4
MD557f6a4d6abdd5d44154aac04bec9136c
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name38610170c4fa99fe68544b31a41e1a0ff50929bd787f59e195ab6036607b83c4
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 38610170c4fa99fe68544b31a41e1a0ff50929bd787f59e195ab6036607b83c4
  • MD5: 57f6a4d6abdd5d44154aac04bec9136c

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: 38610170c4fa99fe"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "38610170c4fa99fe68544b31a41e1a0ff50929bd787f59e195ab6036607b83c4"
}

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 38610170c4fa99fe68544b31a41e1a0ff50929bd787f59e195ab6036607b83c4 # MD5 57f6a4d6abdd5d44154aac04bec9136c
TypeValueNote
sha256 38610170c4fa99fe68544b31a41e1a0ff50929bd787f59e195ab6036607b83c4 Sample:GandCrab
md5 57f6a4d6abdd5d44154aac04bec9136c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi