Analysis
- max time kernel
149s - max time network
148s - 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-pdnpeabs51
- SHA256 06fe6a157bd3f67ae9f7cdf3478a0db670c2772b584cae5900d2473b6b109bb7
- MD5 2e166b0ed08d9a559fe3ab4194eebf9b
- SHA1 8a97aa6405949976461441e74526debb05984658
- SHA512 1fa6c0068f0fb72b3f1a6f79f408b350176308e919dc58a29242bcbe59599267f299a04c9b8c5defa342d889852faf653b534ff67456f630f9fba9db11e650c7
- SSDEEP 3072:26glyuxE4GsUPnliByocWepDP7LENPCHCpmzd08C:26gDBGpvEByocWe5z+PCip0T
- TLSH T179E36E21F212D0B3C83718F12736B572F39E8D2C16A96907EAE80F5DBC658236F45697
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Renames multiple (1002) 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-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation 1D43.tmp - Deletes itself 1 IoCs
pid Process 364 1D43.tmp - Executes dropped EXE 1 IoCs
pid Process 364 1D43.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-1-5-21-204488895-2999877624-296153668-1000\desktop.ini file.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-204488895-2999877624-296153668-1000\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\PPdcx5w3i0f__645hzud1ozvor.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PPwuegvfu1x0j7w0olb2gjhbcic.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPo6xghz6n088dvht0zcs7_ho9c.TMP printfilterpipelinesvc.exe - Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\cCFUYwJne.bmp" file.exe Set value (str) \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\cCFUYwJne.bmp" file.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 364 1D43.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 1D43.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-1-5-21-204488895-2999877624-296153668-1000\Control Panel\Desktop file.exe Set value (str) \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\Desktop\WallpaperStyle = "10" file.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.cCFUYwJne file.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.cCFUYwJne\ = "cCFUYwJne" file.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\cCFUYwJne\DefaultIcon file.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\cCFUYwJne file.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\cCFUYwJne\DefaultIcon\ = "C:\\ProgramData\\cCFUYwJne.ico" file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe 3404 file.exe - Suspicious behavior: RenamesItself 26 IoCs
pid Process 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp 364 1D43.tmp - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeDebugPrivilege 3404 file.exe Token: 36 3404 file.exe Token: SeImpersonatePrivilege 3404 file.exe Token: SeIncBasePriorityPrivilege 3404 file.exe Token: SeIncreaseQuotaPrivilege 3404 file.exe Token: 33 3404 file.exe Token: SeManageVolumePrivilege 3404 file.exe Token: SeProfSingleProcessPrivilege 3404 file.exe Token: SeRestorePrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSystemProfilePrivilege 3404 file.exe Token: SeTakeOwnershipPrivilege 3404 file.exe Token: SeShutdownPrivilege 3404 file.exe Token: SeDebugPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeBackupPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe Token: SeSecurityPrivilege 3404 file.exe - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE 2508 ONENOTE.EXE - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3404 wrote to memory of 5072 3404 file.exe 99 PID 1340 wrote to memory of 2508 1340 printfilterpipelinesvc.exe 106 PID 3404 wrote to memory of 364 3404 file.exe 107 PID 3404 wrote to memory of 364 3404 file.exe 107 PID 364 wrote to memory of 4180 364 1D43.tmp 109
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:3404 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:5072
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C:\ProgramData\1D43.tmp"C:\ProgramData\1D43.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:364 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\1D43.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:4180
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1892
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{64F84A33-3EE6-4485-9654-AF188F9DEB33}.xps" 1342453041545700002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:2508
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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-1-5-21-204488895-2999877624-296153668-1000\desktop.ini
- Size 129B
- SHA256 399326a88f1be30d034863ddc7c3fd9e1ed039be5ef149f6c04205a39009e316
- MD5 b3057bff98883e33ea3a398f5f4b7912
- SHA1 56f50a388ff5d98f5e7685d049acd1ae9bf1d5ee
- SHA512 e5eee183ec77a69c1e7603c0d13fd60caf64fac9fd3c3973ec9e8950fda864dedb3f45caf58d1c911c52656c6523ee94817c8c4a92b795b6bfcd18d79d1e7472
- TLSH T103B02BD0C80C6D41321DC030FC8011E2F039BA5820144308D24211096402381B0609EF
- MD5 SHA1 SHA512 TLSH
- Path C:\ProgramData\1D43.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\DDDDDDDD
- Size 146KB
- SHA256 9e95967cb78a2bfe1dffadb18f83ef8d4fed1b0a08519a662081f28393170149
- MD5 88c28a46768a88a2c7f65ae28590fc85
- SHA1 49f8e4e17d25319f1994428f82c1b2f7a215d5c5
- SHA512 875ec9c842552838ffbd914478970287d7a5c7064ddcf3fa0eeb336bf7532963402927244493c38dbf8efc11bd027f587a70b1049bb0ec4e7bb57fd53246818b
- SSDEEP 3072:vtEN06lxohcN9VsjQ22tEN06lxohcN9VsjQ22tD:FE9oqw1kE9oqw1kD
- TLSH T135E302228E9BCD6E5D4DD275FC1AD15C9463284FA3020CD6A4FACDD4DF811C0AC795AE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\cCFUYwJne.README.txt
- Size 427B
- SHA256 29a544b27712da1f10bbf00378e7ccfd0ba5fdef465e221512cb9733ed31ff60
- MD5 e46429c9288ce455fcf5e80ecd99d2c8
- SHA1 76948e570ec0a492bbc71e5485d8fa744c846796
- SHA512 a4ef30a36f60e4788cdb26aaaecf3115ed44ff01d19773e3f2652e7817a85a5732c76806484460095550395db95ff29a6024d998fe7b9a14ec06c0897bde5455
- TLSH T170E0F19C61BF95C447120295393CDDB50669F112CAB8A4C6B8C124FB2FA9EF48360DAF
- MD5 SHA1 SHA512 TLSH
- Path F:\$RECYCLE.BIN\S-1-5-21-204488895-2999877624-296153668-1000\DDDDDDDDDDD
- Size 129B
- SHA256 ec5f23bef4aaedc3177cc419fdaf3c0ac7ce2ca2feb3309b237b61635ac2588e
- MD5 538b57cd70ca9304126398f2dbab4978
- SHA1 6012e795557290cd30b9722a2fce07b53798585e
- SHA512 ca345600773c5cdc2e37be40af9cce9aeca17465dac80ac03f5ee8509fbec249687f88a9c15ad8081317c76f046e6e2a3b7b8631f2d58cfae11693941b710b3e
- TLSH T13EB02B9CE240833C3E40CCCFB708C1BD5D006803004B416220D7DCA218C40204189059
- MD5 SHA1 SHA512 TLSH