GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561e63895bfa483408fed4bc45aa54c9f3e874689e09e7f2bf541c621231520db1
MD5c763c4e2d645fd013db0a83cea2fcc98
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name1e63895bfa483408fed4bc45aa54c9f3e874689e09e7f2bf541c621231520db1
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1e63895bfa483408fed4bc45aa54c9f3e874689e09e7f2bf541c621231520db1
  • MD5: c763c4e2d645fd013db0a83cea2fcc98

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: 1e63895bfa483408"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1e63895bfa483408fed4bc45aa54c9f3e874689e09e7f2bf541c621231520db1"
}

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 1e63895bfa483408fed4bc45aa54c9f3e874689e09e7f2bf541c621231520db1 # MD5 c763c4e2d645fd013db0a83cea2fcc98
TypeValueNote
sha256 1e63895bfa483408fed4bc45aa54c9f3e874689e09e7f2bf541c621231520db1 Sample:GandCrab
md5 c763c4e2d645fd013db0a83cea2fcc98 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi