63ce1d90d0fc261f2b5daa7d7c96c265c4a758e0e1ea4e7a915f9e0d92c332a5

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 15:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Plugins/WinLock.exe
Size

891KB
MD5

cdbe850565706b891062307110fb8621
SHA1

8cd2bfddbfdb1138c7a70fdbd9891fddf26fcf35
SHA256

156f74c4a5484fa089bfbd15fbf939236883d8e6f95fc4e33d66815c404cea24
SHA512

fc506f420dfd9f902efef09ce2d01ff79e4c2e3bd156d3abf2c67f111436abbf18c01847df765d2a28efc4ad32bbd7687d08455535d8b93682ae4e341ee8d664
SSDEEP

12288:tWDhf20eRDLS+F5B9gZfEpnRJVk/kZFl7Io4cV17R5PuxNRZnWOra2L:YF2BDLSY6fcR34ybN4cV17RVSNRZn82

Score

8^/10

discovery evasion persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\kvoop_t = "C:\\Windows\\kvoop.exe"	WinLock.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	WinLock.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	WinLock.exe

Disables Task Manager via registry modification
evasion

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\kvoop_t = "C:\\Windows\\kvoop.exe"	WinLock.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\kvoop.exe	WinLock.exe
File opened for modification	C:\Windows\kvoop.exe	WinLock.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinLock.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5008	WinLock.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5008	WinLock.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5008	WinLock.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoViewContextMenu = "1"	WinLock.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoClose = "1"	WinLock.exe

C:\Users\Admin\AppData\Local\Temp\Plugins\WinLock.exe
"C:\Users\Admin\AppData\Local\Temp\Plugins\WinLock.exe"
1⤵
- Adds policy Run key to start application
- Disables RegEdit via registry modification
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5008-0-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/5008-1-0x0000000000E00000-0x0000000000EE6000-memory.dmp

Filesize
920KB

Download
memory/5008-2-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/5008-3-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/5008-4-0x00000000057B0000-0x00000000057BA000-memory.dmp

Filesize
40KB

Download
memory/5008-6-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/5008-7-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/5008-9-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/5008-10-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads