Dharma | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256a191d7d045dcf61582f2257bded2734b4ca424b1cf66ff519763c1888ec83190
MD5134455912826cf0de4750f77909ba624
File Typeexe
Size100.5 KB
First Seen2023-01-24
File Name2023-01-20_134455912826cf0de4750f77909ba624_crysis
TagsDharma, exe, Ransomware

Malware Family: Dharma

Dharma, kurum ransomware'dir.

TypeRansomware
Programming LanguageC++
Target PlatformWindows
C2 Protocol
PurposeKurum ransomware
First Seen Year2016
AliasesCrysis

Threat Indicators (IOC)

  • SHA256: a191d7d045dcf61582f2257bded2734b4ca424b1cf66ff519763c1888ec83190
  • MD5: 134455912826cf0de4750f77909ba624

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 Dharma_SHA256 {
    meta:
        description = "Dharma sample: a191d7d045dcf615"
        threat_level = "high"
        first_seen = "2023-01-24"
    condition:
        hash.sha256(0, filesize) == "a191d7d045dcf61582f2257bded2734b4ca424b1cf66ff519763c1888ec83190"
}

Dharma — Malware Profile

Dharma ransomware. firemail.cc email iletisim. wmic shadowcopy delete yedek imhasi. Crypto++ RSA+AES. Çok yıllık aktif.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows
Also Known As (AKA)
Crysis

Technical Details

Ransomware ailesi: AES/RSA hibrid sifreleme, dosya uzantisi degistirme, shadow copy silme, C2 ile anahtar alis-verisi, fidye notu birakma, kullanici belgelerine odaklanma

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 — Dharma
# SHA256 a191d7d045dcf61582f2257bded2734b4ca424b1cf66ff519763c1888ec83190 # MD5 134455912826cf0de4750f77909ba624
TypeValueNote
sha256 a191d7d045dcf61582f2257bded2734b4ca424b1cf66ff519763c1888ec83190 Sample:Dharma
md5 134455912826cf0de4750f77909ba624 Sample:Dharma

C2 Servers (2 recorded servers for this family)

Address Type Port Protocol Status Country
firemail.cc domain 443 HTTPS active —
uncryptfile.com domain 443 HTTPS inactive —

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
dharmaransomwaremalwarehighsha256hash-analizi