Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system - submitted
24/04/2024, 10:48
Behavioral task
behavioral1
Sample
WinLocker.exe
Resource
win7-20240221-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
WinLocker.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target WinLocker.exe
- Size 397KB
- Sample240424-mwhvrsha67
- SHA256 407296261622afdcaa5b5e82d09464698d9ebed6cdd49d98a71990ca184d4932
- MD5 5f245ed0b34abdf2bb3a0865801f983b
- SHA1 2fe555a1d70848fa861bf011d9bd559c0798b21d
- SHA512 55c99c168f276061355bc7710c7c87fc2de7c4d70ac02ede64121f775ae80d4fc03f29d0e0188898f4ea88a6ebdbb5a3ed61397bb9ec201ff9d4b38ca1f2518d
- SSDEEP 6144:8Ly84u9nSO2GjZkD10BIY3rb1YfBdfpoZ3u/Ht52w6JSeiFPXbH+:o+u9nx2GjMY3XKfd/H/9PD+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral2/memory/4788-1-0x0000000000400000-0x000000000046A000-memory.dmp modiloader_stage2 - Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinLocker.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WinLocker.exe" WinLocker.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2177723727-746291240-1644359950-1000\{9DA7307C-9C72-4DEC-91BC-AB48F4AF67BF} explorer.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe 4788 WinLocker.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 4148 explorer.exe Token: SeCreatePagefilePrivilege 4148 explorer.exe Token: SeShutdownPrivilege 4148 explorer.exe Token: SeCreatePagefilePrivilege 4148 explorer.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\WinLocker.exe"C:\Users\Admin\AppData\Local\Temp\WinLocker.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4788
-
C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4148