GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561a3cde29f69c4a74790265078298a37764b939e0df2d54dfd7c3aa1595cfaef0
MD532c098408028e6f0e417990bf06085fc
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name1a3cde29f69c4a74790265078298a37764b939e0df2d54dfd7c3aa1595cfaef0
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1a3cde29f69c4a74790265078298a37764b939e0df2d54dfd7c3aa1595cfaef0
  • MD5: 32c098408028e6f0e417990bf06085fc

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: 1a3cde29f69c4a74"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1a3cde29f69c4a74790265078298a37764b939e0df2d54dfd7c3aa1595cfaef0"
}

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 1a3cde29f69c4a74790265078298a37764b939e0df2d54dfd7c3aa1595cfaef0 # MD5 32c098408028e6f0e417990bf06085fc
TypeValueNote
sha256 1a3cde29f69c4a74790265078298a37764b939e0df2d54dfd7c3aa1595cfaef0 Sample:GandCrab
md5 32c098408028e6f0e417990bf06085fc Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi