GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d56e39cd180687494f85ecac1aee1aa2952a6d94a91e0d52f5282384a9370bfa
MD596e0ad958872de406c3f3c709e4bec8c
File Typeexe
Size70.0 KB
First Seen2023-03-05
File Name2023-03-01_96e0ad958872de406c3f3c709e4bec8c_gandcrab
TagsGandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: d56e39cd180687494f85ecac1aee1aa2952a6d94a91e0d52f5282384a9370bfa
  • MD5: 96e0ad958872de406c3f3c709e4bec8c

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: d56e39cd18068749"
        threat_level = "critical"
        first_seen = "2023-03-05"
    condition:
        hash.sha256(0, filesize) == "d56e39cd180687494f85ecac1aee1aa2952a6d94a91e0d52f5282384a9370bfa"
}

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 d56e39cd180687494f85ecac1aee1aa2952a6d94a91e0d52f5282384a9370bfa # MD5 96e0ad958872de406c3f3c709e4bec8c
TypeValueNote
sha256 d56e39cd180687494f85ecac1aee1aa2952a6d94a91e0d52f5282384a9370bfa Sample:GandCrab
md5 96e0ad958872de406c3f3c709e4bec8c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi