General
- Target smokehostinstaller.exe
- Size 875KB
- Sample261001-tstanaxgrb
- SHA256 0bb0894dc84cdf91bb5719a638bab8fe3eaf676e539a76c18ac9b5ea2bb846d5
- MD5 c71d910692ffc16295989c8d82dd8fa4
- SHA1 e3d82c6d464981aced8b4fe7e9a78e47a06518e4
- SHA512 9a63400387192f32e764653b6d9fe7ae6e45939e18e10179def047b1b41455d46a08c987ebccd12c3878de25d707808e1567c94cfc27deca4dada4829ed43451
- SSDEEP 12288:sOgIWvEYLYon0WTnrMQf619dhRvwzpCyIVjAFZwJxEh:xWvEHI0mV0CAVjAexEh
- TLSH T1AE154A242FA94908D6413AFD45AA5128CBADCDE12921D303B336BE516D319CFED1D3EE
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
smokehostinstaller.exe
Resource
win11-20260911-en
Malware Config
Targets
-
- Target smokehostinstaller.exe
- Size 875KB
- SHA256 0bb0894dc84cdf91bb5719a638bab8fe3eaf676e539a76c18ac9b5ea2bb846d5
- MD5 c71d910692ffc16295989c8d82dd8fa4
- SHA1 e3d82c6d464981aced8b4fe7e9a78e47a06518e4
- SHA512 9a63400387192f32e764653b6d9fe7ae6e45939e18e10179def047b1b41455d46a08c987ebccd12c3878de25d707808e1567c94cfc27deca4dada4829ed43451
- SSDEEP 12288:sOgIWvEYLYon0WTnrMQf619dhRvwzpCyIVjAFZwJxEh:xWvEHI0mV0CAVjAexEh
- TLSH T1AE154A242FA94908D6413AFD45AA5128CBADCDE12921D303B336BE516D319CFED1D3EE
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Dracula aka Samurai Stealer payload
-
Modifies WinLogon for persistence
-
Modifies boot configuration data using bcdedit
-
Adds policy Run key to start application
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Disables cmd.exe use via registry modification
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Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Event Triggered Execution: Image File Execution Options Injection
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Possible privilege escalation attempt
-
Uses Session Manager for persistence
Creates Session Manager registry key to run executable early in system boot.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Creates new service(s)
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Disables service(s)
-
Executes dropped EXE
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Impair Defenses: Safe Mode Boot
-
Loads dropped DLL
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Modifies file permissions
-
Stops running service(s)
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Boot or Logon Autostart Execution: Authentication Package
Suspicious Windows Authentication Registry Modification.
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Drops file in System32 directory
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1System Services
3Service Execution
3Persistence
Boot or Logon Autostart Execution
7Active Setup
1Authentication Package
1Registry Run Keys / Startup Folder
4Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
4Accessibility Features
1AppInit DLLs
1Image File Execution Options Injection
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
7Active Setup
1Authentication Package
1Registry Run Keys / Startup Folder
4Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
4Accessibility Features
1AppInit DLLs
1Image File Execution Options Injection
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
2Safe Mode Boot
1Modify Registry
9Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1