GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562b90b9430de77464bf0dbec03e6370771ca6a332a8ed70dab8db4d3eedba380a
MD5751e85df50f6bc9a069fa23284a7156d
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name2b90b9430de77464bf0dbec03e6370771ca6a332a8ed70dab8db4d3eedba380a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2b90b9430de77464bf0dbec03e6370771ca6a332a8ed70dab8db4d3eedba380a
  • MD5: 751e85df50f6bc9a069fa23284a7156d

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: 2b90b9430de77464"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2b90b9430de77464bf0dbec03e6370771ca6a332a8ed70dab8db4d3eedba380a"
}

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 2b90b9430de77464bf0dbec03e6370771ca6a332a8ed70dab8db4d3eedba380a # MD5 751e85df50f6bc9a069fa23284a7156d
TypeValueNote
sha256 2b90b9430de77464bf0dbec03e6370771ca6a332a8ed70dab8db4d3eedba380a Sample:GandCrab
md5 751e85df50f6bc9a069fa23284a7156d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi