63ce1d90d0fc261f2b5daa7d7c96c265c4a758e0e1ea4e7a915f9e0d92c332a5

Analysis

max time kernel
92s
max time network
149s
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

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General

Target

Plugins/WinlockBild.exe
Size

812KB
MD5

bb2d242277e1bec8146b92d6926d22d1
SHA1

96854ddc6433fbb9cb9a92784b9756b17bed42d5
SHA256

54389bbeec15ee04c7615d6dbff07410b8a9a1f89db4e387f37abdb5bad95b26
SHA512

04b6852d710eaa00b20004628df253f43337d045174bbf2856fd35347c5499ce4b0794eb4cf40b94fac52ae7e316e6f01f883ed02b7f4b9fb791410a41d3dad8
SSDEEP

12288:GWDhf20eRDLS+F5B9gZfEpnRJVk/kZFl7IJJqnTGOw11VFhL78Ol:7F2BDLSY6fcR34yb8qnSJ11VFt78Ol

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

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	WinlockBild.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"	WinlockBild.exe

Drops file in Windows directory 2 IoCs

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3460	WinlockBild.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3460	WinlockBild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3460	WinlockBild.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"	WinlockBild.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoClose = "1"	WinlockBild.exe

C:\Users\Admin\AppData\Local\Temp\Plugins\WinlockBild.exe
"C:\Users\Admin\AppData\Local\Temp\Plugins\WinlockBild.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:3460

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

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Downloads

memory/3460-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3460-1-0x00000000008A0000-0x0000000000972000-memory.dmp

Filesize
840KB

Download
memory/3460-2-0x0000000005860000-0x0000000005E04000-memory.dmp

Filesize
5.6MB

Download
memory/3460-3-0x0000000005370000-0x0000000005402000-memory.dmp

Filesize
584KB

Download
memory/3460-4-0x0000000005520000-0x000000000552A000-memory.dmp

Filesize
40KB

Download
memory/3460-5-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3460-7-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3460-9-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3460-10-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads