GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d7f83e1971015ab24528567ef722bfa8577926a5babec20f06b5938dde16a84c
MD58ea4df7e26c4dfe07d5d669318e4ec3f
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Named7f83e1971015ab24528567ef722bfa8577926a5babec20f06b5938dde16a84c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d7f83e1971015ab24528567ef722bfa8577926a5babec20f06b5938dde16a84c
  • MD5: 8ea4df7e26c4dfe07d5d669318e4ec3f

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: d7f83e1971015ab2"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d7f83e1971015ab24528567ef722bfa8577926a5babec20f06b5938dde16a84c"
}

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 d7f83e1971015ab24528567ef722bfa8577926a5babec20f06b5938dde16a84c # MD5 8ea4df7e26c4dfe07d5d669318e4ec3f
TypeValueNote
sha256 d7f83e1971015ab24528567ef722bfa8577926a5babec20f06b5938dde16a84c Sample:GandCrab
md5 8ea4df7e26c4dfe07d5d669318e4ec3f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi