GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f1c88f5818eb7ed03622db589bd1d010808135e855057a8ba18d56d9acb39d25
MD5393147bb89a83d8903c1d19dba203e6e
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namef1c88f5818eb7ed03622db589bd1d010808135e855057a8ba18d56d9acb39d25
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f1c88f5818eb7ed03622db589bd1d010808135e855057a8ba18d56d9acb39d25
  • MD5: 393147bb89a83d8903c1d19dba203e6e

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: f1c88f5818eb7ed0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f1c88f5818eb7ed03622db589bd1d010808135e855057a8ba18d56d9acb39d25"
}

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 f1c88f5818eb7ed03622db589bd1d010808135e855057a8ba18d56d9acb39d25 # MD5 393147bb89a83d8903c1d19dba203e6e
TypeValueNote
sha256 f1c88f5818eb7ed03622db589bd1d010808135e855057a8ba18d56d9acb39d25 Sample:GandCrab
md5 393147bb89a83d8903c1d19dba203e6e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi