GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256147d950b1b1dae647696c71d919d3800c09d21f2c243d638cd5cbd06da32a582
MD5c1c1498e14c25aebcdc067bd288ab721
File Typeexe
Size70.0 KB
First Seen2023-04-19
File Name2023-04-18_c1c1498e14c25aebcdc067bd288ab721_gandcrab
TagsGandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 147d950b1b1dae647696c71d919d3800c09d21f2c243d638cd5cbd06da32a582
  • MD5: c1c1498e14c25aebcdc067bd288ab721

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: 147d950b1b1dae64"
        threat_level = "critical"
        first_seen = "2023-04-19"
    condition:
        hash.sha256(0, filesize) == "147d950b1b1dae647696c71d919d3800c09d21f2c243d638cd5cbd06da32a582"
}

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 147d950b1b1dae647696c71d919d3800c09d21f2c243d638cd5cbd06da32a582 # MD5 c1c1498e14c25aebcdc067bd288ab721
TypeValueNote
sha256 147d950b1b1dae647696c71d919d3800c09d21f2c243d638cd5cbd06da32a582 Sample:GandCrab
md5 c1c1498e14c25aebcdc067bd288ab721 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi