GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25670a422d8f3d7ce83378706928de1b0554a79bb5f270b1e80c49c180695d3a1b0
MD5f27ebc1d7bdb40540cfca12bc9a0a2c8
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name70a422d8f3d7ce83378706928de1b0554a79bb5f270b1e80c49c180695d3a1b0
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 70a422d8f3d7ce83378706928de1b0554a79bb5f270b1e80c49c180695d3a1b0
  • MD5: f27ebc1d7bdb40540cfca12bc9a0a2c8

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: 70a422d8f3d7ce83"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "70a422d8f3d7ce83378706928de1b0554a79bb5f270b1e80c49c180695d3a1b0"
}

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 70a422d8f3d7ce83378706928de1b0554a79bb5f270b1e80c49c180695d3a1b0 # MD5 f27ebc1d7bdb40540cfca12bc9a0a2c8
TypeValueNote
sha256 70a422d8f3d7ce83378706928de1b0554a79bb5f270b1e80c49c180695d3a1b0 Sample:GandCrab
md5 f27ebc1d7bdb40540cfca12bc9a0a2c8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi