GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d1cbdfaa366dd418688cb57ff16552d63e34ddf2af32a2fa38f7a32bd73c0b39
MD5526d54ef83917daa7816743d416a1167
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Named1cbdfaa366dd418688cb57ff16552d63e34ddf2af32a2fa38f7a32bd73c0b39
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d1cbdfaa366dd418688cb57ff16552d63e34ddf2af32a2fa38f7a32bd73c0b39
  • MD5: 526d54ef83917daa7816743d416a1167

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: d1cbdfaa366dd418"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d1cbdfaa366dd418688cb57ff16552d63e34ddf2af32a2fa38f7a32bd73c0b39"
}

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 d1cbdfaa366dd418688cb57ff16552d63e34ddf2af32a2fa38f7a32bd73c0b39 # MD5 526d54ef83917daa7816743d416a1167
TypeValueNote
sha256 d1cbdfaa366dd418688cb57ff16552d63e34ddf2af32a2fa38f7a32bd73c0b39 Sample:GandCrab
md5 526d54ef83917daa7816743d416a1167 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi