ce032b45bee9fa3602500b6620a542153377f91af84c480e8080456fe0de263a

Analysis

max time kernel
600s
max time network
479s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/11/2026, 15:57

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General

Target
WinLock.exe
Size 295KB
Sample261102-tebhpaxv6k
SHA256 ce032b45bee9fa3602500b6620a542153377f91af84c480e8080456fe0de263a
MD5 537ab0611e8f9507fed85ab77f9aaa2a
SHA1 f0abf497a69ff30286f2f14142e08a42ed17cfb6
SHA512 bb4a7098232e0070d6329473c06bc9b40ec1a595bd1f92f896c59002ca37fc166641c1e4197045aaf0ff7b586060657d34c1963040bbc2fde6894f5bd4ca2ed8
SSDEEP 6144:vQ8A/ehUOqx8PBQUstYEEXp8cnoZC6Bf+0lQ8vmaZc+9XSCpMW90KImQijnCb1eB:vjAwUOqx8POGNnoMcfzvmwj
TLSH
T147548B58139B897DD63D337EE0A112040BF56227C507E34E9EE5E4F85E2B3129B22B97
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

defense_evasion discovery 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-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinLock.exe\" -startup"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe"	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinLock.exe\""	WinLock.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe"	WinLock.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 6 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1392	cmd.exe
2952	cmd.exe
6016	cmd.exe
2180	cmd.exe
1848	cmd.exe
1320	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	WinLock.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WinLock.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
2400	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4880	WinLock.exe
4880	WinLock.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	WinLock.exe
Token: SeDebugPrivilege	2400	taskkill.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 1320	4880	WinLock.exe	90
PID 4880 wrote to memory of 1848	4880	WinLock.exe	91
PID 4880 wrote to memory of 2180	4880	WinLock.exe	92
PID 4880 wrote to memory of 6016	4880	WinLock.exe	93
PID 4880 wrote to memory of 2952	4880	WinLock.exe	94
PID 4880 wrote to memory of 1392	4880	WinLock.exe	95
PID 4880 wrote to memory of 2400	4880	WinLock.exe	96
PID 6016 wrote to memory of 6028	6016	cmd.exe	114
PID 1848 wrote to memory of 5556	1848	cmd.exe	115
PID 1320 wrote to memory of 3252	1320	cmd.exe	116
PID 2952 wrote to memory of 3584	2952	cmd.exe	117
PID 1392 wrote to memory of 4812	1392	cmd.exe	118
PID 2180 wrote to memory of 448	2180	cmd.exe	119
PID 1320 wrote to memory of 4212	1320	cmd.exe	121
PID 1392 wrote to memory of 1424	1392	cmd.exe	122
PID 2180 wrote to memory of 2656	2180	cmd.exe	124
PID 6016 wrote to memory of 2788	6016	cmd.exe	125
PID 1848 wrote to memory of 4800	1848	cmd.exe	127
PID 2952 wrote to memory of 1712	2952	cmd.exe	126

Views/modifies file attributes 1 TTPs 12 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
6028	attrib.exe
5556	attrib.exe
3252	attrib.exe
4812	attrib.exe
3584	attrib.exe
1712	attrib.exe
2788	attrib.exe
2656	attrib.exe
448	attrib.exe
4212	attrib.exe
4800	attrib.exe
1424	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
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880
- 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: @testuser 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:3252
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4212
- 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: @testuser 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1848
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:5556
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4800
- 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: @testuser 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:448
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:2656
- 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: @testuser 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:6016
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:6028
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:2788
- 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: @testuser 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:3584
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:1712
- 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: @testuser 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:4812
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:1424
- C:\Windows\SYSTEM32\taskkill.exe
  taskkill.exe /im Explorer.exe /f
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2400

C:\Users\Admin\AppData\Local\Temp\WinLock.exe
"C:\Users\Admin\AppData\Local\Temp\WinLock.exe"
1⤵
PID:3900

C:\Users\Admin\AppData\Local\Temp\WinLock.exe
"C:\Users\Admin\AppData\Local\Temp\WinLock.exe" -startup
1⤵
PID:5064

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:3552

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

info-Locker.txt

Path C:\Users\Admin\Downloads\info-Locker.txt
Size 76B
SHA256 7e78cc87895a2963ddd3ae8fe190485517cc496ab9a1863d8f41fbfdba41e481
MD5 c164d79dc7dc968e581528f805d4f95b
SHA1 81df292cfd78ba02941d4fe5325574306b3ab2bb
SHA512 96225e82d7261dfe1f7b4502c10dd73c928841a07e143c23f88393f9a563c53d87ffce52145faed9626c94c576ce0e71ec51e29f5c3651251b648cd3370612e5
TLSH
T10DA022083E3CA388202020F33832B00228BEFABE2003288203B020E300200C0ACEF83C
MD5 SHA1 SHA512 TLSH

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info-Locker.txt

Path F:\info-Locker.txt
Size 76B
SHA256 217ac4b5762f9a668a44e675c02032097ba1bf4e5426adc7a6686f1d578c7ea7
MD5 b325857a8d1d61432766233020608d5d
SHA1 afc52ca555596940511c5719c36842116136495a
SHA512 4b33b3a132ff9664c17e01268fa62fa94f1441c47e294df5f1a60c0a73bb5e4b14add645fd8ee78f72b108ba468d86d7f5a1638b35aac3f34fb9351fd9cec09b
TLSH
T17DA022003E3CB388202220F33832B00228BEFA8E20032C8302F020E300200C0ACEF83C
MD5 SHA1 SHA512 TLSH

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memory/4880-13-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-14-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-4-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-5-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-6-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-7-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-11-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-12-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-0-0x00007FFADD25F000-0x00007FFADD260000-memory.dmp

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memory/4880-3-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-15-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-2-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-1-0x0000000000D60000-0x0000000000DB0000-memory.dmp

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memory/4880-28-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-29-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-30-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-31-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-32-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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memory/4880-33-0x00007FFADD0D0000-0x00007FFADDA74000-memory.dmp

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