GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25617ac2d0f5f26fa579dc622b254273d81180cd9fd5683b90479ddb8a57767f5e1
MD5c30d5f7647d0ccb7c5e93d37811d13c5
File Typeexe
Size116.0 KB
First Seen2022-08-30
File Name17ac2d0f5f26fa579dc622b254273d81180cd9fd5683b90479ddb8a57767f5e1
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 17ac2d0f5f26fa579dc622b254273d81180cd9fd5683b90479ddb8a57767f5e1
  • MD5: c30d5f7647d0ccb7c5e93d37811d13c5

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: 17ac2d0f5f26fa57"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "17ac2d0f5f26fa579dc622b254273d81180cd9fd5683b90479ddb8a57767f5e1"
}

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 17ac2d0f5f26fa579dc622b254273d81180cd9fd5683b90479ddb8a57767f5e1 # MD5 c30d5f7647d0ccb7c5e93d37811d13c5
TypeValueNote
sha256 17ac2d0f5f26fa579dc622b254273d81180cd9fd5683b90479ddb8a57767f5e1 Sample:GandCrab
md5 c30d5f7647d0ccb7c5e93d37811d13c5 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi