GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561d13a94e04d98797d8196cc81d867962a8f3bf52d38c38b04597e10e33abac71
MD5caedca8c494a95314a5867d4343535f5
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name1d13a94e04d98797d8196cc81d867962a8f3bf52d38c38b04597e10e33abac71
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1d13a94e04d98797d8196cc81d867962a8f3bf52d38c38b04597e10e33abac71
  • MD5: caedca8c494a95314a5867d4343535f5

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: 1d13a94e04d98797"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1d13a94e04d98797d8196cc81d867962a8f3bf52d38c38b04597e10e33abac71"
}

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 1d13a94e04d98797d8196cc81d867962a8f3bf52d38c38b04597e10e33abac71 # MD5 caedca8c494a95314a5867d4343535f5
TypeValueNote
sha256 1d13a94e04d98797d8196cc81d867962a8f3bf52d38c38b04597e10e33abac71 Sample:GandCrab
md5 caedca8c494a95314a5867d4343535f5 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi