GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e83916f80d1f6c576283a3752d86ade35ce6a472a4b0fbcc05daca43192a033f
MD5fe61f9da67d8afa9e616bf63265c571a
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namee83916f80d1f6c576283a3752d86ade35ce6a472a4b0fbcc05daca43192a033f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: e83916f80d1f6c576283a3752d86ade35ce6a472a4b0fbcc05daca43192a033f
  • MD5: fe61f9da67d8afa9e616bf63265c571a

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: e83916f80d1f6c57"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e83916f80d1f6c576283a3752d86ade35ce6a472a4b0fbcc05daca43192a033f"
}

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 e83916f80d1f6c576283a3752d86ade35ce6a472a4b0fbcc05daca43192a033f # MD5 fe61f9da67d8afa9e616bf63265c571a
TypeValueNote
sha256 e83916f80d1f6c576283a3752d86ade35ce6a472a4b0fbcc05daca43192a033f Sample:GandCrab
md5 fe61f9da67d8afa9e616bf63265c571a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi