Overview

overview

10

Static

static

3

12bba7161d...76.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    12bba7161d07efcb1b14d30054901ac9ffe5202972437b0c47c88d71e45c7176.zip
  • Size 2.0MB
  • Sample260816-lkkpjsce26
  • SHA256 a7bbcce1145c13970731531a6e9b45453c136d69f53caf0b4f90f51256a90b4b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
greenbloodadwaredefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarespywarestealertrojan

Malware Config

Extracted

Path

  • C:\Users\Admin\Documents\READ_ME_TO_RECOVER_FILES.txt

  • greenblood

Ransom Note
  • ╔══════════════════════════════════════════════════════════════════════════════╗ ║ YOUR FILES HAVE BEEN ENCRYPTED! ║ ╚══════════════════════════════════════════════════════════════════════════════╝ ##################### TH3 GR33N BL00D GR0UP #################### What happened? --------------- All your important files (documents, photos, databases, etc.) have been encrypted 'enc++' using military-grade AES-256 encryption. Your files are now inaccessible and cannot be recovered without our decryption service. Your unique identifiers: • Recovery ID: GREEN-BLOOD-BA056D9E777098F3C0C6BEE1A7E1E036CF282CEB0D2DE7B58964DF649F04F11F • Machine ID: 767778797A7B7C7D7E7F808182838485 • Date/Time: 2026-08-16 10:35:46 • Files encrypted: .tgbg extension How to recover your files: -------------------------- 1. Contact Us 2. Provide your Recovery ID and Machine ID 3. Follow the payment instructions (Bitcoin only) 4. After payment confirmation, you will receive the decryption tool DO NOT: -------- • Try to decrypt files yourself (you will lose them permanently) • Rename or modify encrypted files • Delete encrypted files • Reinstall Windows or format drives • Use data recovery software Important: ---------- • Payment must be made within 7 days • Price increases every 24 hours • After 21 days, your decryption key will be destroyed • We keep 139 GB of files as proof of decryption capability WARNING: -------- Any attempt to remove this software or recover files without our tool will result in PERMANENT DATA LOSS. This is your only chance to recover your files. Contact Us. ######################### OUR CONTACTS ####################### SUPPORT EMAIL: [email protected] / [email protected] SUPPORT TOX ID: F97A512AA18917444315510B107AB8B46166CAC4E79DB76B849FFE48A67A4B62 1AB7CC9A1EFB If Mail Communication channels lost or slow , use TOX EMAIL SUBJECT LINE: DAF-SN-1258745612548523 - PAYMENT INQUIRY You can use the Tor Browser and visit the following link: URL: http://scbrksw5fgjtujc2ah42roo6bij2unr2tggfcynpbql5a7yp3s22taid.onion:8000/
URLs

  • http://scbrksw5fgjtujc2ah42roo6bij2unr2tggfcynpbql5a7yp3s22taid.onion:8000/

Extracted

Path

  • C:\Users\Admin\Pictures\READ_ME_TO_RECOVER_FILES.txt

  • greenblood

Ransom Note
  • ╔══════════════════════════════════════════════════════════════════════════════╗ ║ YOUR FILES HAVE BEEN ENCRYPTED! ║ ╚══════════════════════════════════════════════════════════════════════════════╝ ##################### TH3 GR33N BL00D GR0UP #################### What happened? --------------- All your important files (documents, photos, databases, etc.) have been encrypted 'enc++' using military-grade AES-256 encryption. Your files are now inaccessible and cannot be recovered without our decryption service. Your unique identifiers: • Recovery ID: GREEN-BLOOD-BA056D9E777098F3C0C6BEE1A7E1E036CF282CEB0D2DE7B58964DF649F04F11F • Machine ID: 767778797A7B7C7D7E7F808182838485 • Date/Time: 2026-08-16 10:35:47 • Files encrypted: .tgbg extension How to recover your files: -------------------------- 1. Contact Us 2. Provide your Recovery ID and Machine ID 3. Follow the payment instructions (Bitcoin only) 4. After payment confirmation, you will receive the decryption tool DO NOT: -------- • Try to decrypt files yourself (you will lose them permanently) • Rename or modify encrypted files • Delete encrypted files • Reinstall Windows or format drives • Use data recovery software Important: ---------- • Payment must be made within 7 days • Price increases every 24 hours • After 21 days, your decryption key will be destroyed • We keep 139 GB of files as proof of decryption capability WARNING: -------- Any attempt to remove this software or recover files without our tool will result in PERMANENT DATA LOSS. This is your only chance to recover your files. Contact Us. ######################### OUR CONTACTS ####################### SUPPORT EMAIL: [email protected] / [email protected] SUPPORT TOX ID: F97A512AA18917444315510B107AB8B46166CAC4E79DB76B849FFE48A67A4B62 1AB7CC9A1EFB If Mail Communication channels lost or slow , use TOX EMAIL SUBJECT LINE: DAF-SN-1258745612548523 - PAYMENT INQUIRY You can use the Tor Browser and visit the following link: URL: http://scbrksw5fgjtujc2ah42roo6bij2unr2tggfcynpbql5a7yp3s22taid.onion:8000/
URLs

  • http://scbrksw5fgjtujc2ah42roo6bij2unr2tggfcynpbql5a7yp3s22taid.onion:8000/

Extracted

Path

  • C:\Users\Admin\Desktop\!!!READ_ME_TO_RECOVER_FILES!!!.txt

  • greenblood

Ransom Note
  • ALL YOUR FILES HAVE BEEN ENCRYPTED! Recovery ID: GREEN-BLOOD-BA056D9E777098F3C0C6BEE1A7E1E036CF282CEB0D2DE7B58964DF649F04F11F Machine ID: 767778797A7B7C7D7E7F808182838485 Contact: [email protected] Subject: DAF-SN-1258745612548523 - PAYMENT INQUIRY DO NOT ATTEMPT TO DECRYPT FILES YOURSELF!

Targets

    • Target
      12bba7161d07efcb1b14d30054901ac9ffe5202972437b0c47c88d71e45c7176.exe
    • Size 3.5MB
    • SHA256 12bba7161d07efcb1b14d30054901ac9ffe5202972437b0c47c88d71e45c7176
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwaredefense_evasiondiscoveryevasionexecutiongreenbloodimpactpersistenceprivilege_escalationransomwarespywarestealertrojan

    • Family: GreenBlood

      Ransomware first seen in late Jan-2026.

      ransomwaregreenblood

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (89) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

      defense_evasion

    • Patched UPX-packed file

      Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

Windows Command Shell

1
T1059.003

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Netsh Helper DLL

1
T1546.007

Defense Evasion

Direct Volume Access

1
T1006

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Safe Mode Boot

1
T1562.009

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

5
T1112

Subvert Trust Controls

3
T1553

Install Root Certificate

2
T1553.004

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

7
T1012

Remote System Discovery

1
T1018

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

System Information Discovery

8
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Remote Services

1
T1021

Remote Desktop Protocol

1
T1021.001

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks