a8b625ca42dd897ea085727941be5203bb6c7d4159768c728bbf7d6ba1d6b20d

Analysis

user interaction
yes
max time kernel
1049s
max time network
475s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/10/2026, 12:12

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General

Target
kuki locker pass 2170373210723107778123078327632606712370.exe
Size 3.2MB
Sample261027-pda4bady4p
SHA256 a8b625ca42dd897ea085727941be5203bb6c7d4159768c728bbf7d6ba1d6b20d
MD5 1e45c66e22783fd2982e87df491c183e
SHA1 6d796fc4b9bbbe63bf04afff5101e55f6bac2031
SHA512 51f9b653c51cb6da3a76a4adf746a1c850da154d2cfe50207df95e8e379c90caaefb627b41e85dadc9d3848191e15152f82fc34cafcfb246d32f882f2e597ba9
SSDEEP 98304:idALN4pqRHoiO+N/S3PZJ8UE1mjJhmF5+/hN7++Pr4Tg8LzZdx:1h4pAIiLUL+mlhmFshxqgg3
TLSH
T139F53302B6E588B2E4761A34846CE704A17E7C346E24D86FFBE84D989E351916731FF3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution persistence ransomware

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\International\Geo\Nation	kuki locker pass 2170373210723107778123078327632606712370.exe

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\USER\S-1-5-21-2101206053-1414382737-268919432-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lox = "C:\\Windows\\System32\\Temp\\lox.bat"	reg.exe

Drops file in System32 directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Temp\msvcr71.dll	kuki locker pass 2170373210723107778123078327632606712370.exe
File opened for modification	C:\Windows\SysWOW64\Temp\wallpaper.png	kuki locker pass 2170373210723107778123078327632606712370.exe
File created	C:\Windows\SysWOW64\Temp\lox.exe	kuki locker pass 2170373210723107778123078327632606712370.exe
File opened for modification	C:\Windows\SysWOW64\Temp\lox.exe	kuki locker pass 2170373210723107778123078327632606712370.exe
File created	C:\Windows\SysWOW64\Temp\lox.bat	kuki locker pass 2170373210723107778123078327632606712370.exe
File opened for modification	C:\Windows\SysWOW64\Temp\lox.bat	kuki locker pass 2170373210723107778123078327632606712370.exe
File opened for modification	C:\Windows\SysWOW64\Temp	kuki locker pass 2170373210723107778123078327632606712370.exe
File created	C:\Windows\SysWOW64\Temp\__tmp_rar_sfx_access_check_240705031	kuki locker pass 2170373210723107778123078327632606712370.exe
File created	C:\Windows\SysWOW64\Temp\msvcr71.dll	kuki locker pass 2170373210723107778123078327632606712370.exe
File created	C:\Windows\SysWOW64\Temp\wallpaper.png	kuki locker pass 2170373210723107778123078327632606712370.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\Desktop\Wallpaper = "C:\\Windows\\System32\\Temp\\wallpaper.png"	reg.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1460	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 29 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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kuki locker pass 2170373210723107778123078327632606712370.exe

Kills process with taskkill 24 IoCs

defense_evasion

pid	Process
2268	taskkill.exe
3912	taskkill.exe
2636	taskkill.exe
4780	taskkill.exe
2272	taskkill.exe
3052	taskkill.exe
1092	taskkill.exe
3760	taskkill.exe
4592	taskkill.exe
1928	taskkill.exe
2696	taskkill.exe
2888	taskkill.exe
2364	taskkill.exe
2320	taskkill.exe
4816	taskkill.exe
884	taskkill.exe
4192	taskkill.exe
2064	taskkill.exe
3640	taskkill.exe
3732	taskkill.exe
2384	taskkill.exe
1340	taskkill.exe
4648	taskkill.exe
4204	taskkill.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	4648	taskkill.exe
Token: SeDebugPrivilege	1092	taskkill.exe
Token: SeDebugPrivilege	4204	taskkill.exe
Token: SeDebugPrivilege	4192	taskkill.exe
Token: SeDebugPrivilege	2064	taskkill.exe
Token: SeDebugPrivilege	2268	taskkill.exe
Token: SeDebugPrivilege	3760	taskkill.exe
Token: SeDebugPrivilege	3640	taskkill.exe
Token: SeDebugPrivilege	2364	taskkill.exe
Token: SeDebugPrivilege	3732	taskkill.exe
Token: SeDebugPrivilege	2636	taskkill.exe
Token: SeDebugPrivilege	4592	taskkill.exe
Token: SeDebugPrivilege	4780	taskkill.exe
Token: SeDebugPrivilege	2272	taskkill.exe
Token: SeDebugPrivilege	2320	taskkill.exe
Token: SeDebugPrivilege	2384	taskkill.exe
Token: SeDebugPrivilege	1340	taskkill.exe
Token: SeDebugPrivilege	3052	taskkill.exe
Token: SeDebugPrivilege	1928	taskkill.exe
Token: SeDebugPrivilege	4816	taskkill.exe
Token: SeDebugPrivilege	884	taskkill.exe
Token: SeDebugPrivilege	2696	taskkill.exe
Token: SeDebugPrivilege	2888	taskkill.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 1460	4068	kuki locker pass 2170373210723107778123078327632606712370.exe	84
PID 1460 wrote to memory of 4648	1460	cmd.exe	87
PID 1460 wrote to memory of 1092	1460	cmd.exe	89
PID 1460 wrote to memory of 4204	1460	cmd.exe	90
PID 1460 wrote to memory of 4192	1460	cmd.exe	91
PID 1460 wrote to memory of 2064	1460	cmd.exe	92
PID 1460 wrote to memory of 2268	1460	cmd.exe	93
PID 1460 wrote to memory of 3912	1460	cmd.exe	94
PID 1460 wrote to memory of 3760	1460	cmd.exe	95
PID 1460 wrote to memory of 3640	1460	cmd.exe	96
PID 1460 wrote to memory of 2364	1460	cmd.exe	97
PID 1460 wrote to memory of 3732	1460	cmd.exe	100
PID 1460 wrote to memory of 2636	1460	cmd.exe	101
PID 1460 wrote to memory of 4592	1460	cmd.exe	102
PID 1460 wrote to memory of 4780	1460	cmd.exe	103
PID 1460 wrote to memory of 2272	1460	cmd.exe	104
PID 1460 wrote to memory of 2320	1460	cmd.exe	105
PID 1460 wrote to memory of 2384	1460	cmd.exe	107
PID 1460 wrote to memory of 1340	1460	cmd.exe	108
PID 1460 wrote to memory of 3052	1460	cmd.exe	109
PID 1460 wrote to memory of 1928	1460	cmd.exe	110
PID 1460 wrote to memory of 4816	1460	cmd.exe	111
PID 1460 wrote to memory of 884	1460	cmd.exe	112
PID 1460 wrote to memory of 2696	1460	cmd.exe	113
PID 1460 wrote to memory of 2888	1460	cmd.exe	114
PID 1460 wrote to memory of 3776	1460	cmd.exe	118
PID 1460 wrote to memory of 4568	1460	cmd.exe	119
PID 1460 wrote to memory of 4660	1460	cmd.exe	120

C:\Users\Admin\AppData\Local\Temp\kuki locker pass 2170373210723107778123078327632606712370.exe
"C:\Users\Admin\AppData\Local\Temp\kuki locker pass 2170373210723107778123078327632606712370.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\System32\Temp\lox.bat" "
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM Unlocker.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4648
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM notepad.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1092
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM camtasia.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4204
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM fraps.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4192
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM kaspersky.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2064
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM virtualbox.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2268
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM safe mode.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    PID:3912
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM taskmgr.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3760
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM rstrui.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3640
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM explorer.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2364
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM regedit.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3732
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM cmd.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2636
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM msconfig.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4592
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM AVP.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4780
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM egui.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2272
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM ekrn.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2320
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM ffavg.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2384
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM alg.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1340
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM avgnt.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3052
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM avguard.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1928
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM avfwsvc.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4816
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM avmailc.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:884
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM avwebgrd.exe");
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2696
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /IM drweb.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2888
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "lox" /t REG_SZ /d "C:\Windows\System32\Temp\lox.bat" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:3776
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Windows\System32\Temp\wallpaper.png" /f
    3⤵
    - Sets desktop wallpaper using registry
    - System Location Discovery: System Language Discovery
    PID:4568
- - C:\Windows\SysWOW64\rundll32.exe
    RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4660

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

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Downloads

lox.bat

Path C:\Windows\SysWOW64\Temp\lox.bat
Size 1KB
SHA256 75bb62f4a82fd4dc696e3321b20f2d9abd40020182fc9a56c9ceadafa6b9faee
MD5 94f0a89cf32e2969935a20586a054845
SHA1 02deee6e00848f72d7f8871e3caa97a3ef794828
SHA512 c279ec148a1486da76275f2cbc6c4e9c0c1d9bef7e1d8276ad2139c99c819e415df69d63c2e903a15a82b6f5f5448d4ec13e861cf20eb794701afe694f8fd335
TLSH
T12F3181454DC7F67BF97862072138EC2FC9C7088C95ECB72022DA0C9A0581E3D7567AB6
MD5 SHA1 SHA512 TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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