General
- Target WinLock.exe
- Size 93KB
- Sample260826-wl84mstdpb
- SHA256 789722e6c338e8b28e317ca0af76c3dbe3bb221b6f4309a49e3e154005e0607a
- MD5 a28b724bbc5bcff1fc518e9b9fa3e222
- SHA1 60cdca3de6f4632f3a28ed1dd5325a2d4fbd6b6b
- SHA512 1498c128d6aa905ab643aedc961e939906314b703964040a5f84f7db6c1c9dfe4e9b1dcde254215413868f5921d53be01f953555361e27d584a93f0c7b105dcb
- SSDEEP 1536:EM/MMycy157s8FvyD7P5s0a0l5s7MzA5VsD9bloCxPvf/A6L0bxlxk619:J/MM87sCylVlm7bCD9bloOPPZyxlxk67
- TLSH T1A99349013BF84B07F6BE8A785876534442F6BAA61532CB5E7CD2D4DD26E2B408790B73
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
WinLock.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
WinLock.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target WinLock.exe
- Size 93KB
- SHA256 789722e6c338e8b28e317ca0af76c3dbe3bb221b6f4309a49e3e154005e0607a
- MD5 a28b724bbc5bcff1fc518e9b9fa3e222
- SHA1 60cdca3de6f4632f3a28ed1dd5325a2d4fbd6b6b
- SHA512 1498c128d6aa905ab643aedc961e939906314b703964040a5f84f7db6c1c9dfe4e9b1dcde254215413868f5921d53be01f953555361e27d584a93f0c7b105dcb
- SSDEEP 1536:EM/MMycy157s8FvyD7P5s0a0l5s7MzA5VsD9bloCxPvf/A6L0bxlxk619:J/MM87sCylVlm7bCD9bloOPPZyxlxk67
- TLSH T1A99349013BF84B07F6BE8A785876534442F6BAA61532CB5E7CD2D4DD26E2B408790B73
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies WinLogon for persistence
-
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.
-
Executes dropped EXE
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Modifies file permissions
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Adds Run key to start application
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Drops desktop.ini file(s)
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Power Settings
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
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Discovers running processes
Running process information can be used to identify security tools or plan follow-on actions.
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Hide Artifacts: Hidden Files and Directories
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Power Settings
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1