Dharma | 威胁等级: high | 类型: Ransomware

加密标识符

SHA256307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3
MD556ba37144bd63d39f23d25dae471054e
文件类型exe
大小92.5 KB
首次发现2020-09-11
文件名307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3
标签Crysis, Dharma, Ransomware

恶意软件家族: Dharma

Dharma, kurum hedefli ransomware'dir.

类型Ransomware
编程语言C++
目标平台Windows
C2 协议
用途Kurum ransomware
首次发现年份2016
别名Crysis

威胁指标 (IOC)

  • SHA256: 307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3
  • MD5: 56ba37144bd63d39f23d25dae471054e

系统清理指南

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. 不要支付赎金——无法保证恢复文件
  3. 隔离受影响的驱动器
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. 尝试可用的解密工具(NoMoreRansom 项目)
  6. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

YARA 规则提示

rule Dharma_SHA256 {
    meta:
        description = "Dharma sample: 307077d1a3fd2b53"
        threat_level = "high"
        first_seen = "2020-09-11"
    condition:
        hash.sha256(0, filesize) == "307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3"
}

Dharma — 恶意软件档案

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

恶意软件类型
Ransomware
编程语言
C++
C2协议
目标系统
Windows
别名 (AKA)
Crysis

技术细节

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

能力与行为

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列表 (2 个指标)

IOC — Dharma
# SHA256 307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3 # MD5 56ba37144bd63d39f23d25dae471054e
类型备注
sha256 307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3
md5 56ba37144bd63d39f23d25dae471054e

C2服务器 (该家族共有 2 台已记录服务器)

地址 类型 端口 协议 状态 国家
firemail.cc domain 443 HTTPS active —
uncryptfile.com domain 443 HTTPS inactive —

C2 地址仅来自 KEYDAL 团队人工验证的恶意软件样本。禁止用于商业用途。

标签
dharmaransomwaremalwarehighsha256analizzenginleştirilmiş