GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256dab2f3b88b923bdab9d905c8435ba504c3f3b7fd7a89227af2149dbc48c4b38f
MD561af656019226f80a0638ee689b933f6
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namedab2f3b88b923bdab9d905c8435ba504c3f3b7fd7a89227af2149dbc48c4b38f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: dab2f3b88b923bdab9d905c8435ba504c3f3b7fd7a89227af2149dbc48c4b38f
  • MD5: 61af656019226f80a0638ee689b933f6

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: dab2f3b88b923bda"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "dab2f3b88b923bdab9d905c8435ba504c3f3b7fd7a89227af2149dbc48c4b38f"
}

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 dab2f3b88b923bdab9d905c8435ba504c3f3b7fd7a89227af2149dbc48c4b38f # MD5 61af656019226f80a0638ee689b933f6
TypeValueNote
sha256 dab2f3b88b923bdab9d905c8435ba504c3f3b7fd7a89227af2149dbc48c4b38f Sample:GandCrab
md5 61af656019226f80a0638ee689b933f6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi