Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/05/2026, 12:12
Behavioral task
behavioral1
Sample
file.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
22 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win11-20260513-en
windows11-21h2-x64
21 signatures
150 seconds
General
- Target file.exe
- Size 146KB
- Sample260529-pdgwvsbs4x
- SHA256 93da3f615d041dc37a4b3db4a3d0c60bfd3c3fb1fc3ff4d5b764c646b629da7b
- MD5 115e584c09344a8139fed9296f0ee070
- SHA1 f0f6723c5baa8cd77f53428072e31fa6206eaf48
- SHA512 ca2ac4e1a3a3fb48fa11142a82a6a4a87f81b1aad7c1de89a515ca23d2f8d91f321beba344e09b47ca536ebbe41cca18413161920c2de61209423a5c7f48290a
- SSDEEP 3072:06glyuxE4GsUPnliByocWepyYRb8vPZToVTJZxUTR6:06gDBGpvEByocWer0OJZqF
- TLSH T110E36D21F212D0B3C87718F53B36B572F39E8E2C15A96847DAE90F59BC648232F05697
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Renames multiple (921) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation 509D.tmp - Deletes itself 1 IoCs
pid Process 1236 509D.tmp - Executes dropped EXE 1 IoCs
pid Process 1236 509D.tmp - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-540052884-2969440504-464782435-1000\desktop.ini file.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-540052884-2969440504-464782435-1000\desktop.ini file.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Z: file.exe - Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PPgnojxqpvtxthuwid54_ohzmmc.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPbmsb62ds1kn39j4q4kqpur04b.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPcn91_fhl4g2sgdzwaxktqetdd.TMP printfilterpipelinesvc.exe - Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\LSR7FG1H1.bmp" file.exe Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\LSR7FG1H1.bmp" file.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 1236 509D.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 509D.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ONENOTE.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU ONENOTE.EXE - Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\Desktop file.exe Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\Desktop\WallpaperStyle = "10" file.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.LSR7FG1H1 file.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.LSR7FG1H1\ = "LSR7FG1H1" file.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\LSR7FG1H1\DefaultIcon file.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\LSR7FG1H1 file.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\LSR7FG1H1\DefaultIcon\ = "C:\\ProgramData\\LSR7FG1H1.ico" file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe 2556 file.exe - Suspicious behavior: RenamesItself 26 IoCs
pid Process 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp 1236 509D.tmp - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeDebugPrivilege 2556 file.exe Token: 36 2556 file.exe Token: SeImpersonatePrivilege 2556 file.exe Token: SeIncBasePriorityPrivilege 2556 file.exe Token: SeIncreaseQuotaPrivilege 2556 file.exe Token: 33 2556 file.exe Token: SeManageVolumePrivilege 2556 file.exe Token: SeProfSingleProcessPrivilege 2556 file.exe Token: SeRestorePrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSystemProfilePrivilege 2556 file.exe Token: SeTakeOwnershipPrivilege 2556 file.exe Token: SeShutdownPrivilege 2556 file.exe Token: SeDebugPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeBackupPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe Token: SeSecurityPrivilege 2556 file.exe - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE 4588 ONENOTE.EXE - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2556 wrote to memory of 5576 2556 file.exe 92 PID 3156 wrote to memory of 4588 3156 printfilterpipelinesvc.exe 102 PID 2556 wrote to memory of 1236 2556 file.exe 103 PID 2556 wrote to memory of 1236 2556 file.exe 103 PID 1236 wrote to memory of 5960 1236 509D.tmp 104
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:5576
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C:\ProgramData\509D.tmp"C:\ProgramData\509D.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\509D.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:5960
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:3876
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{E26F5C5A-7891-487C-A9EC-70DFB3654FE3}.xps" 1342453041307700002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:4588
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Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-540052884-2969440504-464782435-1000\DDDDDDDDDDD
- Size 129B
- SHA256 57cb936eda6ed712faca8d9366084f03fa487c990192ecacd507b2ebfa00c1fc
- MD5 30d3117520f4393f7661edf730fbfb92
- SHA1 94d94021bc3d583e1a0d557d0bd47eeeba420874
- SHA512 82a7f6ef2bfc68b4e5512fb7ed008a08deaa9aa7d0e816b3890587aca455d17ed4c854b2f00e17c0f7b81e851ffb3c795d1bd0d6896e9c66f108579466c65f3f
- TLSH T1DBB02B020534805D05414F0145D62A4FD42A5141359F00508E41D010A142189BD520C0
- MD5 SHA1 SHA512 TLSH
- Path C:\LSR7FG1H1.README.txt
- Size 427B
- SHA256 29a544b27712da1f10bbf00378e7ccfd0ba5fdef465e221512cb9733ed31ff60
- MD5 e46429c9288ce455fcf5e80ecd99d2c8
- SHA1 76948e570ec0a492bbc71e5485d8fa744c846796
- SHA512 a4ef30a36f60e4788cdb26aaaecf3115ed44ff01d19773e3f2652e7817a85a5732c76806484460095550395db95ff29a6024d998fe7b9a14ec06c0897bde5455
- TLSH T170E0F19C61BF95C447120295393CDDB50669F112CAB8A4C6B8C124FB2FA9EF48360DAF
- MD5 SHA1 SHA512 TLSH
- Path C:\ProgramData\509D.tmp
- Size 14KB
- SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
- MD5 294e9f64cb1642dd89229fff0592856b
- SHA1 97b148c27f3da29ba7b18d6aee8a0db9102f47c9
- SHA512 b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
- SSDEEP 384:5cFP7VtpK4p+31Mzh79W5vM+ZyUgGq4BtMvAxXCRsi:A7Vf9p+qQ02y5HW6kX
- TLSH T15A52BECB73E75FCAF03B43740857340AB795BB062B966A92EDC4091E1DE66440A8743B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\EEEEEEEE
- Size 146KB
- SHA256 443f745a690a66a8906e790264f13215bb31c82d8002999541738319c312a4c5
- MD5 c983778a6309bb7ef902700e92361c9d
- SHA1 85efaf14fd59ffad2615a063e7877e57504f61ce
- SHA512 c648dcc686cd20e782c81792ee1faf5f6f954fd23734a76467daec4ee4e3e3cb9cb05e8bdc2e8478dbb439bc842ee23a01bf1f1fba36f8973619fd395752bb6f
- SSDEEP 3072:bv4cppR7hB99mhC/AWwHhZ6v4cppR7hB99mhC/AWwHhZ6v4cD:Nd1wh4AWCid1wh4AWCiD
- TLSH T1F7E31222795C85F916CE15433B976EEDFE13241435E796BFC22BC90B0658A96FC108F1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\{B38E3BEA-3314-4DD6-82C5-0BF7A28C281B}
- Size 4KB
- SHA256 a9f5bf50be4572bf26e599b018db9dd41703afa7e0f37d129fe06b5b3f686e73
- MD5 da2530471e36ba08247a6487f9af42e2
- SHA1 82d1fe245c2c5f425a552e0bc9b4b9ef18e6cf28
- SHA512 ded5544910a13ac1d609a96aebcdfbd04e71b058d224d4c6d60bb85dca1a96e930ab406a7d8c6f303172bf05d42791a6a5c592feb566da4ac1428b3fb0c062cc
- SSDEEP 6:RawnatFYyfB3h1RRXUnf9KKuRaFKpSkzNlLRujlw//0lweI/ElRRujd:RawnatFYyf9/Uf9dMKWf/J
- TLSH T196A1265A7744C058D1905D3C1C62C7FE5A657C8CAE8015F7BDCE730D8C32F908010121
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
- Size 4KB
- SHA256 1432b1acc57c40987aca2474a7affa5d10d789daad100d481189275d2ec780b1
- MD5 70db3f35bc0ff837c433810c21364ef1
- SHA1 1513a49bb2f302c6ab1a7a00c0f5e9e020ac6b05
- SHA512 bcaf977053cdf3e4349b22daaed5ed40db306e5f0929dee90ff1ebe52bb8e0d10852b08e6a94797d4a86c1f35adab66b028a84709370be5fa53b121c7c7e3345
- SSDEEP 12:RawnatFYyfHj/UvycKW6/qLDPEPEIxA/L:YwabYyfHY6cKkHI1Aj
- TLSH T1E3A1468AF718D048C1D4AD781EA3CBFE2B28FC45AE4006BBF9D9330E4C39BA44220520
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path F:\$RECYCLE.BIN\S-1-5-21-540052884-2969440504-464782435-1000\DDDDDDDDDDD
- Size 129B
- SHA256 3d3ab6654d781e5dd7fee8a80e0cf04799e1fdcf3794781d7cdc5bf576faf043
- MD5 76a56c840527f0bdcecf53f24d1af24a
- SHA1 2477c6a6ff84861b5a0fb5e7951e645ff2691741
- SHA512 ec55bc4f7fbb250dfc37ebd8dad4be7ad0dc8def5674d8ef420199a18668fb4592d00ace5c0626277f54c6392155004644bfaa29baf2ae7a1c527ea13e482797
- TLSH T1CEB02B0503061300B5B00C765D30288B11280D8213348A683C8A308051C305304D80D2
- MD5 SHA1 SHA512 TLSH