Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-09-2024 02:15
Behavioral task
behavioral1
Sample
artifact.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
artifact.exe
Resource
win10v2004-20240802-en
General
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Target
artifact.exe
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Size
146KB
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MD5
d5c43db682644a7c08e653206f9c8d73
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SHA1
3df0d727a4ebd48c2f9a1012828a47271c1e4a1c
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SHA256
c31a2e594ba6f814f266ff511659faa3489b5508187693048e0ff17bc087bb7b
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SHA512
f800f0320128091b3eac64f5f7e41d425ce20be0f0b3d5ff36c35843b4212a71e9c2cc6359e3373db179317c825c84848b299145d4928b04a7cdfd5611e8c7ef
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SSDEEP
3072:p6glyuxE4GsUPnliByocWepsXU3tITJ9GN+YVF:p6gDBGpvEByocWesUgfGN+YVF
Malware Config
Signatures
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Renames multiple (620) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation BB23.tmp -
Deletes itself 1 IoCs
pid Process 2184 BB23.tmp -
Executes dropped EXE 1 IoCs
pid Process 2184 BB23.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini artifact.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini artifact.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\system32\spool\PRINTERS\PPye233l59aiz159ghqji6g1m5b.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPvwf0qa0jxexynh4os0i0r_7r.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PPc7yi30qe725imtlrwpb3oe70b.TMP printfilterpipelinesvc.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\ioZ35V9gf.bmp" artifact.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ioZ35V9gf.bmp" artifact.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 2184 BB23.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 artifact.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BB23.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\Desktop artifact.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\Desktop\WallpaperStyle = "10" artifact.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ioZ35V9gf artifact.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ioZ35V9gf\DefaultIcon\ = "C:\\ProgramData\\ioZ35V9gf.ico" artifact.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ioZ35V9gf artifact.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ioZ35V9gf\ = "ioZ35V9gf" artifact.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ioZ35V9gf\DefaultIcon artifact.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe 1220 artifact.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp 2184 BB23.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeDebugPrivilege 1220 artifact.exe Token: 36 1220 artifact.exe Token: SeImpersonatePrivilege 1220 artifact.exe Token: SeIncBasePriorityPrivilege 1220 artifact.exe Token: SeIncreaseQuotaPrivilege 1220 artifact.exe Token: 33 1220 artifact.exe Token: SeManageVolumePrivilege 1220 artifact.exe Token: SeProfSingleProcessPrivilege 1220 artifact.exe Token: SeRestorePrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSystemProfilePrivilege 1220 artifact.exe Token: SeTakeOwnershipPrivilege 1220 artifact.exe Token: SeShutdownPrivilege 1220 artifact.exe Token: SeDebugPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeBackupPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe Token: SeSecurityPrivilege 1220 artifact.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE 4552 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1220 wrote to memory of 4560 1220 artifact.exe 84 PID 1220 wrote to memory of 4560 1220 artifact.exe 84 PID 1384 wrote to memory of 4552 1384 printfilterpipelinesvc.exe 91 PID 1384 wrote to memory of 4552 1384 printfilterpipelinesvc.exe 91 PID 1220 wrote to memory of 2184 1220 artifact.exe 92 PID 1220 wrote to memory of 2184 1220 artifact.exe 92 PID 1220 wrote to memory of 2184 1220 artifact.exe 92 PID 1220 wrote to memory of 2184 1220 artifact.exe 92 PID 2184 wrote to memory of 1532 2184 BB23.tmp 93 PID 2184 wrote to memory of 1532 2184 BB23.tmp 93 PID 2184 wrote to memory of 1532 2184 BB23.tmp 93
Processes
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C:\Users\Admin\AppData\Local\Temp\artifact.exe"C:\Users\Admin\AppData\Local\Temp\artifact.exe"1⤵
- Drops desktop.ini file(s)
- 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:1220 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:4560
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C:\ProgramData\BB23.tmp"C:\ProgramData\BB23.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:2184 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BB23.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:1532
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:2960
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{76557D56-1951-4836-A0B0-82DA29E3D38B}.xps" 1337101292558300002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:4552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD5b06457a79ac09da8bb78756d524c9491
SHA1d6bd541904084b180de37bdddb619a349479efd3
SHA25602f7e9a769952ca7b97038393a80da9174266fdaf708abb04418c8262d2d7734
SHA512f03e18229ac4e612e2f4ba68fd46f38fbb4200991e8682cd3d18bb8cfc727ff594786f1c93dfa8a5905c13a505e2feef206da757a71d2b49b37c070d6f7bcfcf
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD5e76db2db446ed8c8bad91212c55afa21
SHA1a72104980c9f11ac64c877deae2a1443e75f6b84
SHA256a3e4cfc731d2cfdd0ca1d2d89f891189d8fcca65a423fd32789d9f90456e27fd
SHA512a6eebc8e63523b1149d52d02e5001aaf2c602479a41b368c6d2b288f00e821826ad072c6dfdcc84d8f0c855e66dca39f4e71dd85006d422a1d89845df1b97fd9
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Filesize
4KB
MD5967b4ebf6e0d28fc8f0b400d7a6f4cb0
SHA16fdfe493342e9af05bef4bbf85add2560bcd9745
SHA25654bdcfb72dcf0703bad205d4ebac2d74c5253b40911444de0fe7fc85cc03c792
SHA5128ac5e2bfa9fff47ddead35883063e2f604f50af1ac64a064f536084e6a78f59dbcdbe697f48b794ec5ba1bff0067221d432ba40c0daa74056fb43c3a89ebf22c
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Filesize
4KB
MD565f65c38362c3cd48fd0946d84806ba0
SHA16347a20f44603503dc83388204f0fe140df2bfd9
SHA256418a7d1a8a47fbe8f34be68f836e295c01098c3c66a34f1d0bbbfb6bb86217dd
SHA512e4f298e3b4d64fd598ad4463ef6ef1e162db60bc49d3fb4d2b0b30a6dfcbdfcbc3282e95d17289d4ce3e80034ab82e030af7dca75c87db689d0920187aaf77e5
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Filesize
343B
MD572b1ffaeb7de456483f491ecceadb088
SHA1ee1953abc295245ab01f35a4a823883826bf2b41
SHA256eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7
SHA512c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445
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Filesize
129B
MD5ec8988e11c3c27a38abe1e742d95eb64
SHA118aa64f63ad58ee344b27e48759344c7772df79c
SHA256644f17fb853a3852389b2427462bf47a6e69e1fd6b30f8ab1cb2a67ab17f9752
SHA512d0e0a56f98b9dd29a5828d248bdde28534df782301110a941f0a6bb3583aea51de635db3d9d6964724f6cddcd391d0c959113b2ca15e460ae5a2236d180d74b9