Analysis
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max time kernel
145s -
max time network
145s -
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 05:07
Behavioral task
behavioral1
Sample
ef8b996e4d7e84c179f8268f3d686195.exe
Resource
win7-20240903-en
windows7-x64
14 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 (602) 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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation AAC8.tmp -
Deletes itself 1 IoCs
pid Process 1612 AAC8.tmp -
Executes dropped EXE 1 IoCs
pid Process 1612 AAC8.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
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-656926755-4116854191-210765258-1000\desktop.ini ef8b996e4d7e84c179f8268f3d686195.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\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
description ioc Process File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PPl40pc51ml8da7wzk_qqyxc73c.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PP7ehpf62g960yu0asbfmfrw2jc.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PP4aaa0vtcd2ap0vbi8hxxjh9xb.TMP printfilterpipelinesvc.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1612 AAC8.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 ef8b996e4d7e84c179f8268f3d686195.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AAC8.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU ONENOTE.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily ONENOTE.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe 4396 ef8b996e4d7e84c179f8268f3d686195.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp 1612 AAC8.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeDebugPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: 36 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeImpersonatePrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeIncBasePriorityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeIncreaseQuotaPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: 33 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeManageVolumePrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeProfSingleProcessPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeRestorePrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSystemProfilePrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeTakeOwnershipPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeShutdownPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeDebugPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeBackupPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe Token: SeSecurityPrivilege 4396 ef8b996e4d7e84c179f8268f3d686195.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE 1280 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4396 wrote to memory of 948 4396 ef8b996e4d7e84c179f8268f3d686195.exe 88 PID 4396 wrote to memory of 948 4396 ef8b996e4d7e84c179f8268f3d686195.exe 88 PID 4396 wrote to memory of 1612 4396 ef8b996e4d7e84c179f8268f3d686195.exe 94 PID 4396 wrote to memory of 1612 4396 ef8b996e4d7e84c179f8268f3d686195.exe 94 PID 4396 wrote to memory of 1612 4396 ef8b996e4d7e84c179f8268f3d686195.exe 94 PID 4396 wrote to memory of 1612 4396 ef8b996e4d7e84c179f8268f3d686195.exe 94 PID 4472 wrote to memory of 1280 4472 printfilterpipelinesvc.exe 95 PID 4472 wrote to memory of 1280 4472 printfilterpipelinesvc.exe 95 PID 1612 wrote to memory of 2800 1612 AAC8.tmp 96 PID 1612 wrote to memory of 2800 1612 AAC8.tmp 96 PID 1612 wrote to memory of 2800 1612 AAC8.tmp 96
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:4396 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:948
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C:\ProgramData\AAC8.tmp"C:\ProgramData\AAC8.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:1612 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\AAC8.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2800
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:184
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{304BC69C-C46F-4613-AB39-3B3D26B2A42C}.xps" 1337162803807900002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:1280
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD566e7a0e79cbd3e1f41c49b9e0b15fb2f
SHA1aee30a7679541a1d2b296d6280dd42cb59ad4cd3
SHA256ea6cbf3bd0c5956a0bc258a64b562e74adc86e74ffd47e1a22092301282f68f6
SHA5125b1ef7774e062ceb0c69ec5b5d88c602d30950aa80b01f7617c99d909015aa2c0bd4fce233181322d459a09d96d16da577d4f04b33148c73b322d4d93c4b1339
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD577f44061008172d330b93106537938d1
SHA135534e850a207cb53316cef4d159bc18786be191
SHA256079a944ccab4445b6108ad7ad7d31bfe56915b06f23833749bb6343453eeed51
SHA51221c60df3989aa6e9639bf558332f2e46649232d67d54a8439d474333d480358c6643b29960f9c54be62f5e418bb8ad25b66fd9b48a1ac52b5a4ea9282a14f7df
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Filesize
4KB
MD5a6c360fbb86a52ed3bb74406971d8c3a
SHA1fc4e0b6c99a81878b5da738839efb62ff5501256
SHA25694e263433870ef1449eb9708ee4159f71a920a3a75960683a541ed8d202d7ad8
SHA512349322b199ede4a847ae7688e69cb6e03112a91bb9f8f3b7521e890e2a4bcb70d1e6a38d0b62304a7008bdc98f8ee3eeb3aa0bd2602b2ba0de7ffd0c6e9129ed
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Filesize
638B
MD5e5bc1b8f423f3cce04388bfbe53d93ff
SHA154e173bb949842e15150102631a2fd8c7fc0d967
SHA2567c750178e9525b4eef587eed36c7040a4806207909e4463a56f33073081b7de5
SHA512aa720ad06776f38ce63d67b743ee019bef1130874a52d7825559e559a056e2ed5c543290a1c13e6ea733204791865ba17f9d4b1d0650e64db1f89af0da7b693f
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Filesize
129B
MD5d12d1a5374dc4fa415d8f711f4e24674
SHA19968264c2f982e289b5aa46d0c98f851f2052bfd
SHA25649d85fcb6fad28dc8720a44d3c5d4885dad0af79b334b49efb3d424495eb60fe
SHA5124d764c64ffe1c8f8fe15733e7538aeca1e1436dc59b1f15855d7e632a522c58b8c449dc77d4f74b92ec9cc435a692bb7dbaf2b0e762a811850f70b8007135800