7e5fddbc42b801ec0a377fa1e563e55565fc6972ca3fd7d8fc8d28061112774e

Analysis

max time kernel
150s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/08/2026, 12:19

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
WinLock.exe
Size 741KB
Sample260825-pg9faaysc1
SHA256 7e5fddbc42b801ec0a377fa1e563e55565fc6972ca3fd7d8fc8d28061112774e
MD5 a478a7629df3ea312ad9c21dc1272969
SHA1 a260b9ffc468fea1a9b165c9c009ba9e4841797e
SHA512 1f6d9ad81314027b3ac65b53c6211f7873110899f6bc9e982ec1c3cb666ed461219a51edcbc41990acf5baf6e496f748a07fcd2fd23eface22f5a46103441cc7
SSDEEP 12288:e8AwUOqxaP3dWyD7j5Xx8ExlgZ6MmUs3jXcyigWZKbSw5HvOSG1Uhfvj:TrdjD7DtxIPs3jNB2w5PqUF
TLSH
T152F4DF5C0A564B28D12C777AF055538406F45232A483D70BCEB4A4B0BA27787EAE5FFB
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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinLock.exe\" -startup"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinLock.exe\""	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe"	WinLock.exe

Drops desktop.ini file(s) 4 IoCs

description	ioc	Process
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\Downloads\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
4516	cmd.exe
2504	cmd.exe
3544	cmd.exe
1184	cmd.exe
5600	cmd.exe
2340	cmd.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
2524	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1564	WinLock.exe
1564	WinLock.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1564	WinLock.exe
Token: SeDebugPrivilege	2524	taskkill.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 4516	1564	WinLock.exe	94
PID 1564 wrote to memory of 2340	1564	WinLock.exe	95
PID 1564 wrote to memory of 5600	1564	WinLock.exe	96
PID 1564 wrote to memory of 1184	1564	WinLock.exe	97
PID 1564 wrote to memory of 3544	1564	WinLock.exe	98
PID 1564 wrote to memory of 2504	1564	WinLock.exe	99
PID 1564 wrote to memory of 2524	1564	WinLock.exe	100
PID 2340 wrote to memory of 1380	2340	cmd.exe	108
PID 5600 wrote to memory of 4288	5600	cmd.exe	109
PID 1184 wrote to memory of 2116	1184	cmd.exe	110
PID 2504 wrote to memory of 3748	2504	cmd.exe	111
PID 4516 wrote to memory of 4340	4516	cmd.exe	112
PID 3544 wrote to memory of 5572	3544	cmd.exe	113
PID 5600 wrote to memory of 1056	5600	cmd.exe	122
PID 2340 wrote to memory of 2036	2340	cmd.exe	123
PID 1184 wrote to memory of 4312	1184	cmd.exe	124
PID 4516 wrote to memory of 568	4516	cmd.exe	125
PID 3544 wrote to memory of 2560	3544	cmd.exe	126
PID 2504 wrote to memory of 4616	2504	cmd.exe	127

Views/modifies file attributes 1 TTPs 12 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4340	attrib.exe
2036	attrib.exe
1056	attrib.exe
3748	attrib.exe
2116	attrib.exe
4616	attrib.exe
568	attrib.exe
4288	attrib.exe
5572	attrib.exe
4312	attrib.exe
2560	attrib.exe
1380	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:1564
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c F: & attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @jt bz 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:4516
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:4340
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:568
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @jt bz 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:1380
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:2036
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%systemdrive%\Users\Public\Desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @jt bz 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:5600
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:4288
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:1056
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\downloads"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @jt bz 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:2116
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4312
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%\documents"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @jt bz 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:5572
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:2560
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c cd "%userprofile%"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted! Telegram for contact: @jt bz 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:3748
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4616
- C:\Windows\SYSTEM32\taskkill.exe
  taskkill.exe /im Explorer.exe /f
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2524

C:\Users\Admin\AppData\Local\Temp\WinLock.exe
"C:\Users\Admin\AppData\Local\Temp\WinLock.exe"
1⤵
PID:5916

C:\Users\Admin\AppData\Local\Temp\WinLock.exe
"C:\Users\Admin\AppData\Local\Temp\WinLock.exe" -startup
1⤵
PID:1836

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

Replay Monitor

Loading Replay Monitor...

Downloads

info-Locker.txt

Path C:\Users\Admin\Documents\info-Locker.txt
Size 73B
SHA256 baa7aeeaeb8d5a33be1eb3a872c97884f80bf1797bf5935c9f5d869f444fcc8b
MD5 cde11398409ee7d441c0ec67e3e10b71
SHA1 03740dd5a38e0aab1559c0aa8d5e89d60424be5e
SHA512 6a8df613eb6daff5a9c6d1297ddd76d874e05910345a483bcf8b6d7220a1707bb611880222d4c2efadd4e00a27c3f64d9a90bc2850a409cde4bb55475b512ffd
TLSH
T1ECA024443D1C15C4104011F33D337001147DDD0D10333440050003D330100C13DDFC14
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1564-8-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-1-0x00000000003B0000-0x0000000000470000-memory.dmp

Download

memory/1564-3-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-4-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-5-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-6-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-7-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-0-0x00007FFBB062F000-0x00007FFBB0630000-memory.dmp

Download

memory/1564-2-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-31-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-9-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-30-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/1564-29-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/5916-13-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/5916-11-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/5916-12-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download

memory/5916-10-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

Download