GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566f2875459d27a31c0eac182c70efc75dea4d78f9215ae2c06706e5f041d021e7
MD5819b45ed3a1eca2ba4ba48c313d14214
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name6f2875459d27a31c0eac182c70efc75dea4d78f9215ae2c06706e5f041d021e7
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 6f2875459d27a31c0eac182c70efc75dea4d78f9215ae2c06706e5f041d021e7
  • MD5: 819b45ed3a1eca2ba4ba48c313d14214

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: 6f2875459d27a31c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6f2875459d27a31c0eac182c70efc75dea4d78f9215ae2c06706e5f041d021e7"
}

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 6f2875459d27a31c0eac182c70efc75dea4d78f9215ae2c06706e5f041d021e7 # MD5 819b45ed3a1eca2ba4ba48c313d14214
TypeValueNote
sha256 6f2875459d27a31c0eac182c70efc75dea4d78f9215ae2c06706e5f041d021e7 Sample:GandCrab
md5 819b45ed3a1eca2ba4ba48c313d14214 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi