GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f7832531a0b843d469a36db4f9ec75662c45e5235c6fcdb7574432d17ad4950a
MD5d2a45dfb3441b0697ddf65406bf304b8
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef7832531a0b843d469a36db4f9ec75662c45e5235c6fcdb7574432d17ad4950a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f7832531a0b843d469a36db4f9ec75662c45e5235c6fcdb7574432d17ad4950a
  • MD5: d2a45dfb3441b0697ddf65406bf304b8

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: f7832531a0b843d4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f7832531a0b843d469a36db4f9ec75662c45e5235c6fcdb7574432d17ad4950a"
}

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 f7832531a0b843d469a36db4f9ec75662c45e5235c6fcdb7574432d17ad4950a # MD5 d2a45dfb3441b0697ddf65406bf304b8
TypeValueNote
sha256 f7832531a0b843d469a36db4f9ec75662c45e5235c6fcdb7574432d17ad4950a Sample:GandCrab
md5 d2a45dfb3441b0697ddf65406bf304b8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi