GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d3a32074170b2a9946fb00bb4b2071828d97e4e8bbb3a3845554ebb3e175637a
MD5c4eeb1a9fae49012c373098fbc8e079f
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Named3a32074170b2a9946fb00bb4b2071828d97e4e8bbb3a3845554ebb3e175637a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d3a32074170b2a9946fb00bb4b2071828d97e4e8bbb3a3845554ebb3e175637a
  • MD5: c4eeb1a9fae49012c373098fbc8e079f

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: d3a32074170b2a99"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d3a32074170b2a9946fb00bb4b2071828d97e4e8bbb3a3845554ebb3e175637a"
}

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 d3a32074170b2a9946fb00bb4b2071828d97e4e8bbb3a3845554ebb3e175637a # MD5 c4eeb1a9fae49012c373098fbc8e079f
TypeValueNote
sha256 d3a32074170b2a9946fb00bb4b2071828d97e4e8bbb3a3845554ebb3e175637a Sample:GandCrab
md5 c4eeb1a9fae49012c373098fbc8e079f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi