GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25635f057063fbd0380a91e9afa565696b9778f478d59ec07f2f09b544686c61d9c
MD5dc7c5f72b8f7a9fc54eb679a3a8c816b
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name35f057063fbd0380a91e9afa565696b9778f478d59ec07f2f09b544686c61d9c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 35f057063fbd0380a91e9afa565696b9778f478d59ec07f2f09b544686c61d9c
  • MD5: dc7c5f72b8f7a9fc54eb679a3a8c816b

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: 35f057063fbd0380"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "35f057063fbd0380a91e9afa565696b9778f478d59ec07f2f09b544686c61d9c"
}

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 35f057063fbd0380a91e9afa565696b9778f478d59ec07f2f09b544686c61d9c # MD5 dc7c5f72b8f7a9fc54eb679a3a8c816b
TypeValueNote
sha256 35f057063fbd0380a91e9afa565696b9778f478d59ec07f2f09b544686c61d9c Sample:GandCrab
md5 dc7c5f72b8f7a9fc54eb679a3a8c816b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi