GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f8305231de037a61c3b0296a93d88a4865b52ed457b35fe12fec5c0dc974ca2b
MD506bd290a0655f34c1b40b5487f08d58a
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef8305231de037a61c3b0296a93d88a4865b52ed457b35fe12fec5c0dc974ca2b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f8305231de037a61c3b0296a93d88a4865b52ed457b35fe12fec5c0dc974ca2b
  • MD5: 06bd290a0655f34c1b40b5487f08d58a

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: f8305231de037a61"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f8305231de037a61c3b0296a93d88a4865b52ed457b35fe12fec5c0dc974ca2b"
}

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 f8305231de037a61c3b0296a93d88a4865b52ed457b35fe12fec5c0dc974ca2b # MD5 06bd290a0655f34c1b40b5487f08d58a
TypeValueNote
sha256 f8305231de037a61c3b0296a93d88a4865b52ed457b35fe12fec5c0dc974ca2b Sample:GandCrab
md5 06bd290a0655f34c1b40b5487f08d58a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi