Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
24-09-2024 11:21
Behavioral task
behavioral1
Sample
ef8b996e4d7e84c179f8268f3d686195.exe
Resource
win7-20240729-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
ef8b996e4d7e84c179f8268f3d686195.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
18 signatures
150 seconds
General
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Target
ef8b996e4d7e84c179f8268f3d686195.exe
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Size
146KB
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MD5
ef8b996e4d7e84c179f8268f3d686195
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SHA1
07057ff4fd122bca513bbce0cbaa1174d50caf01
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SHA256
d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f
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SHA512
6c434febdbf2e57328a118d249d3a8ed736749671b605c9baabecbcafc4040ab10f0c0ce94f6f2551286fc213b4f88a6079271ff4971f524a36211b25f70b90b
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SSDEEP
3072:gqJogYkcSNm9V7DXW5I4KNGHsOqhNDvtdT:gq2kc4m9tDXW5fdqh
Malware Config
Signatures
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Renames multiple (579) 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.
Processes:
A038.tmpdescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation A038.tmp -
Deletes itself 1 IoCs
Processes:
A038.tmppid Process 2704 A038.tmp -
Executes dropped EXE 1 IoCs
Processes:
A038.tmppid Process 2704 A038.tmp -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
Processes:
ef8b996e4d7e84c179f8268f3d686195.exedescription ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini ef8b996e4d7e84c179f8268f3d686195.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini ef8b996e4d7e84c179f8268f3d686195.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
Processes:
splwow64.exeprintfilterpipelinesvc.exedescription ioc Process File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PP3o6jxy_tol_a_zzu2d3clee9c.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPcaey08k4_68789tiqcd0pglwb.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPt5ivxd3lg5fgm001u80obe3ld.TMP printfilterpipelinesvc.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
A038.tmppid Process 2704 A038.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.
Processes:
ef8b996e4d7e84c179f8268f3d686195.exeA038.tmpcmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef8b996e4d7e84c179f8268f3d686195.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language A038.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.
Processes:
ONENOTE.EXEdescription 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
Processes:
ONENOTE.EXEdescription 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
ef8b996e4d7e84c179f8268f3d686195.exepid Process 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe 5100 ef8b996e4d7e84c179f8268f3d686195.exe -
Suspicious behavior: RenamesItself 26 IoCs
Processes:
A038.tmppid Process 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp 2704 A038.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
ef8b996e4d7e84c179f8268f3d686195.exedescription pid Process Token: SeAssignPrimaryTokenPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeDebugPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: 36 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeImpersonatePrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeIncBasePriorityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeIncreaseQuotaPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: 33 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeManageVolumePrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeProfSingleProcessPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeRestorePrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSystemProfilePrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeTakeOwnershipPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeShutdownPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeDebugPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 5100 ef8b996e4d7e84c179f8268f3d686195.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
ONENOTE.EXEpid Process 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE 2012 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
ef8b996e4d7e84c179f8268f3d686195.exeprintfilterpipelinesvc.exeA038.tmpdescription pid Process procid_target PID 5100 wrote to memory of 3528 5100 ef8b996e4d7e84c179f8268f3d686195.exe 88 PID 5100 wrote to memory of 3528 5100 ef8b996e4d7e84c179f8268f3d686195.exe 88 PID 5100 wrote to memory of 2704 5100 ef8b996e4d7e84c179f8268f3d686195.exe 93 PID 5100 wrote to memory of 2704 5100 ef8b996e4d7e84c179f8268f3d686195.exe 93 PID 5100 wrote to memory of 2704 5100 ef8b996e4d7e84c179f8268f3d686195.exe 93 PID 5100 wrote to memory of 2704 5100 ef8b996e4d7e84c179f8268f3d686195.exe 93 PID 2652 wrote to memory of 2012 2652 printfilterpipelinesvc.exe 94 PID 2652 wrote to memory of 2012 2652 printfilterpipelinesvc.exe 94 PID 2704 wrote to memory of 4556 2704 A038.tmp 95 PID 2704 wrote to memory of 4556 2704 A038.tmp 95 PID 2704 wrote to memory of 4556 2704 A038.tmp 95
Processes
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C:\Users\Admin\AppData\Local\Temp\ef8b996e4d7e84c179f8268f3d686195.exe"C:\Users\Admin\AppData\Local\Temp\ef8b996e4d7e84c179f8268f3d686195.exe"1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:3528
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C:\ProgramData\A038.tmp"C:\ProgramData\A038.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:2704 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\A038.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:4556
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4580
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{FE2385FB-5809-4453-AAE1-17C9E69F974A}.xps" 1337165051015100002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:2012
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD5f182ac12120ccfc22b3fcf901df19168
SHA1d35b0e658e1a4e8f0e7adf19d0c56b4e35c66d62
SHA25673adc0448dd9c5ff1274dbd46255d03441a8ca32b9c4f92fc774d2903f62a9c1
SHA512ea7c800464d948a67dea4f3830a28d83b43a2f84adc8a6552b8fd194ec1cb5ef133a0eac84ab00451f78132ec155f4415d0e288fa10397f6108aded97f7909af
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD59fe28049b25022c7e6f9271fe4ea1a90
SHA1aa1431d71c9406632f68c2b8dff48845fc7129d0
SHA256294b0d630a5c802b87fee65b82cf50ed56d8e5f551df13c39bce486ad12f5703
SHA5120b783dbd5603464ca62f637cabc3c5b5d9789e7f385e3a18a417256bb338479f7399b962dd4a0d957efcb0e25b1282b3ded81750cac9c6c0569946a67b79b013
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Filesize
4KB
MD5faeb36400bc12c3f7dbb164360eaf1fe
SHA1980abd58b6cb1934c8b3b78aac7601818ccbfcb6
SHA256a01e9131160c18c6bb2f8378801344725e65ac869037f0c0164e287204172d64
SHA512577968fc0b0dfbb4371c4e0ecf369e73d57253d4c90e7e1fbd9cc4e4720e596aa39188d978c17bc414ff5f8c6cf12d3c442c0ec61057450e9f232061838e12ee
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Filesize
4KB
MD58b4a575df78a7e414a910c83617b40de
SHA195d9fd6d17bacf3285e124389aa991393cccee4b
SHA25644b43dcd75f49a0b873457d4b0971a69b67b0a6938ea1347260719b0e99aa7a8
SHA512a14f6b9965801ae3046d5c90743478c200815ae0b1c6cca1af23e44dbd69f5cbcb1282336b0c02c98e8017642ef5999eedbc806da85b4f69011e8fe053e2b380
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Filesize
638B
MD5e5bc1b8f423f3cce04388bfbe53d93ff
SHA154e173bb949842e15150102631a2fd8c7fc0d967
SHA2567c750178e9525b4eef587eed36c7040a4806207909e4463a56f33073081b7de5
SHA512aa720ad06776f38ce63d67b743ee019bef1130874a52d7825559e559a056e2ed5c543290a1c13e6ea733204791865ba17f9d4b1d0650e64db1f89af0da7b693f
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Filesize
129B
MD58985c33be4e2be2b4f7961eeff0f04d5
SHA1845214c5d2e25e9d6197fb468fa7b9ed4261f27d
SHA256b03224520d41e490a069d193c7a46b2cd6ce92b4ca4679beaf185833ade6cc6c
SHA5124f97748554ca5bc33be90c2d096bae4e690dc2185be738252cd11de2cd4fb907c5526b8d7c3dfc10788e35f3a580c8e0319adebff9716dd902b700e04bb2fb58