Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20251231-en - resource tags
arch:x64arch:x86image:win10v2004-20251231-enlocale:en-usos:windows10-2004-x64system - submitted
23/01/2026, 07:03
Behavioral task
behavioral1
Sample
file.exe
Resource
win10v2004-20251231-en
windows10-2004-x64
22 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win11-20251229-en
windows11-21h2-x64
21 signatures
150 seconds
General
- Target file.exe
- Size 146KB
- Sample260123-hvmecaes7d
- SHA256 8fb06ea350e49fa9ef38c56e731adf6713a47c8de714fe55aee6519cfd6b4da3
- MD5 0bb5cec1d3281876715e59743ee972fb
- SHA1 86d0094007d38b3e7dd3dd4805690cb4ccdd19f1
- SHA512 470e78423a21db8aa7223664c6028c3c56a1e73b71d2be87cdd0960d350790e54faac50d0186f5d78c2def3b8e3f20ed47c92ba81a4ca9f8f9e39d2abfc7b9b7
- SSDEEP 3072:Q6glyuxE4GsUPnliByocWepZIoLVlbSkqITDig:Q6gDBGpvEByocWeUoLVZSFITDi
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Renames multiple (708) 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-1-5-21-2177663406-413462311-1670868024-1000\Control Panel\International\Geo\Nation DB0F.tmp - Deletes itself 1 IoCs
pid Process 2684 DB0F.tmp - Executes dropped EXE 1 IoCs
pid Process 2684 DB0F.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-1-5-21-2177663406-413462311-1670868024-1000\desktop.ini file.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2177663406-413462311-1670868024-1000\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\PPi1uwx3zd08ysoxz_qsi2uqq7c.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPxl1qh0qjlg0bdc0ajvbjsj0cb.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PP60z4h3y17y7vysk6kzdj_htxb.TMP printfilterpipelinesvc.exe - Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177663406-413462311-1670868024-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\nMRJHwIfR.bmp" file.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177663406-413462311-1670868024-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\nMRJHwIfR.bmp" file.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 2684 DB0F.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 DB0F.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-1-5-21-2177663406-413462311-1670868024-1000\Control Panel\Desktop file.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177663406-413462311-1670868024-1000\Control Panel\Desktop\WallpaperStyle = "10" file.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.nMRJHwIfR file.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.nMRJHwIfR\ = "nMRJHwIfR" file.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\nMRJHwIfR\DefaultIcon file.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\nMRJHwIfR file.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\nMRJHwIfR\DefaultIcon\ = "C:\\ProgramData\\nMRJHwIfR.ico" file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe 1148 file.exe - Suspicious behavior: RenamesItself 26 IoCs
pid Process 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp 2684 DB0F.tmp - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeDebugPrivilege 1148 file.exe Token: 36 1148 file.exe Token: SeImpersonatePrivilege 1148 file.exe Token: SeIncBasePriorityPrivilege 1148 file.exe Token: SeIncreaseQuotaPrivilege 1148 file.exe Token: 33 1148 file.exe Token: SeManageVolumePrivilege 1148 file.exe Token: SeProfSingleProcessPrivilege 1148 file.exe Token: SeRestorePrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSystemProfilePrivilege 1148 file.exe Token: SeTakeOwnershipPrivilege 1148 file.exe Token: SeShutdownPrivilege 1148 file.exe Token: SeDebugPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeBackupPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe Token: SeSecurityPrivilege 1148 file.exe - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE 5196 ONENOTE.EXE - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1148 wrote to memory of 6056 1148 file.exe 95 PID 3764 wrote to memory of 5196 3764 printfilterpipelinesvc.exe 102 PID 1148 wrote to memory of 2684 1148 file.exe 103 PID 1148 wrote to memory of 2684 1148 file.exe 103 PID 2684 wrote to memory of 3384 2684 DB0F.tmp 105
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:1148 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:6056
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C:\ProgramData\DB0F.tmp"C:\ProgramData\DB0F.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:2684 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\DB0F.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:3384
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:2532
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{7C3FB5B2-BB83-4669-BF8F-3BDE5469E9D6}.xps" 1341362542672000002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:5196
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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-1-5-21-2177663406-413462311-1670868024-1000\desktop.ini
- Size 129B
- SHA256 5e566d119ba883aec76b2bf24d6e251ca94ede6b1e19956934b76fa85f0e7120
- MD5 702d0afc4f0a610407c4a0d669f3aafa
- SHA1 51062fb7479add3048e8f3083bf4607463d917e8
- SHA512 5d7978eacfdc316e682df360f4e03056c2bc8d4436a74ec7dd7156e1004790890c4abfdf67f57c546af936368e9f15bbae652279ca4f34909414d0bd310f84e2
- TLSH T1EDB02B84C7733A10540110BE42408C239A0C7F640700D1A382C8913018FD180B957017
- MD5 SHA1 SHA512 TLSH
- Path C:\ProgramData\DB0F.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 c23bc305a002533397486ce5cdf602b06b875c008bbeecde4056640ca3d1be20
- MD5 c5376e212eb5515eb1167215ce4b5bc0
- SHA1 c998d8fc25bb1747435a1e41ef8504e9205e84ce
- SHA512 2cd2af118c75bb9fc6af4c3fe0f0421b487b8bb9db83d32e2495192a881d8f562e8c594bfbd49c2eefaf3ee6e885a17690721da96a8a59883d94329cc80cceab
- SSDEEP 1536:toeZqOpVGigxYcYH7luCofFMfS8h89oeZqOpVGigxYcYH7luCofFMfS8h89oeZqC:tWYcgl7ofFp8hMWYcgl7ofFp8hMR
- TLSH T18BE3023EDAE4D02C1FB78D528836DED7E9C3CDC051A427430E6D1627A15E42AAB44F6B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\{7946D3C9-D9C2-43BC-91FB-7012C8535D52}
- Size 4KB
- SHA256 370d07f69631be3449d1631743f161459bcc34dc39023b2ed6654c9d42746f98
- MD5 7594fb123489960935777d1a58b5ee52
- SHA1 0c04907f6bfca7935462921a4c194158a64ae548
- SHA512 367a15d4945e089e9b2a67f9e94b6a2b761dc6dcc2caffecb81ba120961985a0822c9b92c265ca29bef3487faed510d5b2a35bfaf08d749481a7b092a86c2cb4
- SSDEEP 6:Ra4xXAFYyfB3h1RRXUnfibTqsroXpF/FK8iI5zibRujlw//0lweI/UziBRujd:Ra4xQFYyf9/UfCTqssXj5nWf/Ur
- TLSH T1BAA1DF813764E8F8E061483D2EABCBE9AA147C8C7C5512877BCD331DAC36BE80012200
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
- Size 4KB
- SHA256 f85b9599bc2e10b830d5d94c77835f0d43e9eba77094b5c79ff6a61974a9a978
- MD5 326cd8fef3ed0a9fc274319bf301610f
- SHA1 1761554b34605ae5dbcc00d356930139eaf01fa7
- SHA512 0fb29286ade4f71263b1503ac3fc635c9f94cfdb76282bfb9e113bcb38b7611780abcc56185ef19c73969ba8dfae2d56fc353360676e04e5a3e014a53bec7a6c
- SSDEEP 12:Ra4xQFYyfHj/UvBdj5nW6/UY8cM/1oc5EIxA/L:YbYyfHYnFF5dE1Aj
- TLSH T1ADA14C957350E8FCD9A2993C2EA7C7AD5B25BC49BC6512C77BC8331E6C3E7E40151610
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\nMRJHwIfR.README.txt
- Size 427B
- SHA256 29a544b27712da1f10bbf00378e7ccfd0ba5fdef465e221512cb9733ed31ff60
- MD5 e46429c9288ce455fcf5e80ecd99d2c8
- SHA1 76948e570ec0a492bbc71e5485d8fa744c846796
- SHA512 a4ef30a36f60e4788cdb26aaaecf3115ed44ff01d19773e3f2652e7817a85a5732c76806484460095550395db95ff29a6024d998fe7b9a14ec06c0897bde5455
- TLSH T170E0F19C61BF95C447120295393CDDB50669F112CAB8A4C6B8C124FB2FA9EF48360DAF
- MD5 SHA1 SHA512 TLSH
- Path F:\$RECYCLE.BIN\S-1-5-21-2177663406-413462311-1670868024-1000\DDDDDDDDDDD
- Size 129B
- SHA256 15b9c5a1b7c3e1c2d3b55a55abe5ac03032669c772b7344106f6a85aa22ee1f2
- MD5 711b34a90f1e8e96393fbb25d659e463
- SHA1 07ea41431abcc6ad112a7196d178639380c73ef1
- SHA512 d2a92ca11663d46dfbf40ee41942cf85a6e2b8f585ed94827bbb1d5969363038004c09ef0117203ebb6db152a307ee0b319b286263db8ebd2e87aaddbe0d3d91
- TLSH T1B8B02B84C13744403BD33D107C423110E24B9807431505B3193B422C0020CC2524A134
- MD5 SHA1 SHA512 TLSH