GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256521055573c2b1c6990a7fce51e147d58dab1713a6ee36c4d24efa5b4837dfc33
MD5ec2acc5a23320f6bb31f31649a27220b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name521055573c2b1c6990a7fce51e147d58dab1713a6ee36c4d24efa5b4837dfc33
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 521055573c2b1c6990a7fce51e147d58dab1713a6ee36c4d24efa5b4837dfc33
  • MD5: ec2acc5a23320f6bb31f31649a27220b

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: 521055573c2b1c69"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "521055573c2b1c6990a7fce51e147d58dab1713a6ee36c4d24efa5b4837dfc33"
}

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 521055573c2b1c6990a7fce51e147d58dab1713a6ee36c4d24efa5b4837dfc33 # MD5 ec2acc5a23320f6bb31f31649a27220b
TypeValueNote
sha256 521055573c2b1c6990a7fce51e147d58dab1713a6ee36c4d24efa5b4837dfc33 Sample:GandCrab
md5 ec2acc5a23320f6bb31f31649a27220b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi