Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
20-02-2024 11:38
Behavioral task
behavioral1
Sample
2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe
Resource
win7-20231215-en
windows7-x64
24 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
27 signatures
150 seconds
General
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Target
2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe
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Size
210KB
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MD5
82e9d7ead2705f060c47d00f6095f968
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SHA1
7bfc8ac899c98c28918545a0b4b6063fa8ff06e8
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SHA256
a2837287e1dd493f83ad6a175ecb41fe7c3bbae96f1976e704ad5503ec4319a8
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SHA512
5983a54772b44b1ed661ad165334583f8330f217d23bfcf5b505d8a79a7fc955da856a21af63560f44f6ac53d59e7e7cc8a109b3c2bc6e1a83a27ae8ade18c4c
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SSDEEP
3072:OJ4BKv1Et9jDWHoC97M26+MZjQQbKGUE3T9Mg5hw0GlVdopP:LK6t9jDWHH7+jUGULsWVq
Score
10/10
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 4 IoCs
resource yara_rule behavioral1/memory/1992-0-0x0000000000BB0000-0x0000000000BEA000-memory.dmp family_chaos behavioral1/memory/1992-2-0x000000001AEB0000-0x000000001AF30000-memory.dmp family_chaos behavioral1/files/0x000c000000012327-7.dat family_chaos behavioral1/memory/2316-8-0x0000000000980000-0x00000000009BA000-memory.dmp family_chaos -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Detects command variations typically used by ransomware 4 IoCs
resource yara_rule behavioral1/memory/1992-0-0x0000000000BB0000-0x0000000000BEA000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral1/memory/1992-2-0x000000001AEB0000-0x000000001AF30000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral1/files/0x000c000000012327-7.dat INDICATOR_SUSPICIOUS_GENRansomware behavioral1/memory/2316-8-0x0000000000980000-0x00000000009BA000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing many references to VEEAM. Observed in ransomware 4 IoCs
resource yara_rule behavioral1/memory/1992-0-0x0000000000BB0000-0x0000000000BEA000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/memory/1992-2-0x000000001AEB0000-0x000000001AF30000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/files/0x000c000000012327-7.dat INDICATOR_SUSPICOUS_EXE_References_VEEAM behavioral1/memory/2316-8-0x0000000000980000-0x00000000009BA000-memory.dmp INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Detects executables packed with ConfuserEx Mod 4 IoCs
resource yara_rule behavioral1/memory/1992-0-0x0000000000BB0000-0x0000000000BEA000-memory.dmp INDICATOR_EXE_Packed_ConfuserEx behavioral1/memory/1992-2-0x000000001AEB0000-0x000000001AF30000-memory.dmp INDICATOR_EXE_Packed_ConfuserEx behavioral1/files/0x000c000000012327-7.dat INDICATOR_EXE_Packed_ConfuserEx behavioral1/memory/2316-8-0x0000000000980000-0x00000000009BA000-memory.dmp INDICATOR_EXE_Packed_ConfuserEx -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 2800 bcdedit.exe 2788 bcdedit.exe -
pid Process 2748 wbadmin.exe -
Disables Task Manager via registry modification
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Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\note.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2316 svchost.exe -
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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\01VEQVIE\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3818056530-936619650-3554021955-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M6IEN5C8\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\358I0ZFG\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\15TVJ6R0\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1OE9M12V\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\IJKL5Z6W\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e8gq899u1.jpg" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2876 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2480 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2316 svchost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1992 2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe 1992 2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe 1992 2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe 2316 svchost.exe 2316 svchost.exe 2316 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 1992 2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe Token: SeDebugPrivilege 2316 svchost.exe Token: SeBackupPrivilege 2720 vssvc.exe Token: SeRestorePrivilege 2720 vssvc.exe Token: SeAuditPrivilege 2720 vssvc.exe Token: SeIncreaseQuotaPrivilege 2336 WMIC.exe Token: SeSecurityPrivilege 2336 WMIC.exe Token: SeTakeOwnershipPrivilege 2336 WMIC.exe Token: SeLoadDriverPrivilege 2336 WMIC.exe Token: SeSystemProfilePrivilege 2336 WMIC.exe Token: SeSystemtimePrivilege 2336 WMIC.exe Token: SeProfSingleProcessPrivilege 2336 WMIC.exe Token: SeIncBasePriorityPrivilege 2336 WMIC.exe Token: SeCreatePagefilePrivilege 2336 WMIC.exe Token: SeBackupPrivilege 2336 WMIC.exe Token: SeRestorePrivilege 2336 WMIC.exe Token: SeShutdownPrivilege 2336 WMIC.exe Token: SeDebugPrivilege 2336 WMIC.exe Token: SeSystemEnvironmentPrivilege 2336 WMIC.exe Token: SeRemoteShutdownPrivilege 2336 WMIC.exe Token: SeUndockPrivilege 2336 WMIC.exe Token: SeManageVolumePrivilege 2336 WMIC.exe Token: 33 2336 WMIC.exe Token: 34 2336 WMIC.exe Token: 35 2336 WMIC.exe Token: SeIncreaseQuotaPrivilege 2336 WMIC.exe Token: SeSecurityPrivilege 2336 WMIC.exe Token: SeTakeOwnershipPrivilege 2336 WMIC.exe Token: SeLoadDriverPrivilege 2336 WMIC.exe Token: SeSystemProfilePrivilege 2336 WMIC.exe Token: SeSystemtimePrivilege 2336 WMIC.exe Token: SeProfSingleProcessPrivilege 2336 WMIC.exe Token: SeIncBasePriorityPrivilege 2336 WMIC.exe Token: SeCreatePagefilePrivilege 2336 WMIC.exe Token: SeBackupPrivilege 2336 WMIC.exe Token: SeRestorePrivilege 2336 WMIC.exe Token: SeShutdownPrivilege 2336 WMIC.exe Token: SeDebugPrivilege 2336 WMIC.exe Token: SeSystemEnvironmentPrivilege 2336 WMIC.exe Token: SeRemoteShutdownPrivilege 2336 WMIC.exe Token: SeUndockPrivilege 2336 WMIC.exe Token: SeManageVolumePrivilege 2336 WMIC.exe Token: 33 2336 WMIC.exe Token: 34 2336 WMIC.exe Token: 35 2336 WMIC.exe Token: SeBackupPrivilege 1584 wbengine.exe Token: SeRestorePrivilege 1584 wbengine.exe Token: SeSecurityPrivilege 1584 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1992 wrote to memory of 2316 1992 2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe 28 PID 1992 wrote to memory of 2316 1992 2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe 28 PID 1992 wrote to memory of 2316 1992 2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe 28 PID 2316 wrote to memory of 2872 2316 svchost.exe 29 PID 2316 wrote to memory of 2872 2316 svchost.exe 29 PID 2316 wrote to memory of 2872 2316 svchost.exe 29 PID 2872 wrote to memory of 2876 2872 cmd.exe 31 PID 2872 wrote to memory of 2876 2872 cmd.exe 31 PID 2872 wrote to memory of 2876 2872 cmd.exe 31 PID 2872 wrote to memory of 2336 2872 cmd.exe 34 PID 2872 wrote to memory of 2336 2872 cmd.exe 34 PID 2872 wrote to memory of 2336 2872 cmd.exe 34 PID 2316 wrote to memory of 2764 2316 svchost.exe 36 PID 2316 wrote to memory of 2764 2316 svchost.exe 36 PID 2316 wrote to memory of 2764 2316 svchost.exe 36 PID 2764 wrote to memory of 2788 2764 cmd.exe 39 PID 2764 wrote to memory of 2788 2764 cmd.exe 39 PID 2764 wrote to memory of 2788 2764 cmd.exe 39 PID 2764 wrote to memory of 2800 2764 cmd.exe 38 PID 2764 wrote to memory of 2800 2764 cmd.exe 38 PID 2764 wrote to memory of 2800 2764 cmd.exe 38 PID 2316 wrote to memory of 2648 2316 svchost.exe 40 PID 2316 wrote to memory of 2648 2316 svchost.exe 40 PID 2316 wrote to memory of 2648 2316 svchost.exe 40 PID 2648 wrote to memory of 2748 2648 cmd.exe 42 PID 2648 wrote to memory of 2748 2648 cmd.exe 42 PID 2648 wrote to memory of 2748 2648 cmd.exe 42 PID 2316 wrote to memory of 2480 2316 svchost.exe 48 PID 2316 wrote to memory of 2480 2316 svchost.exe 48 PID 2316 wrote to memory of 2480 2316 svchost.exe 48 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_82e9d7ead2705f060c47d00f6095f968_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2876
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2336
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2800
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2788
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2748
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\note.txt3⤵
- Opens file in notepad (likely ransom note)
PID:2480
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2720
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1584
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1568
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1792
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
31B
MD5e6a4c0b794278fde301280cc61088ae5
SHA17c3d99f3c862acc57919eeb29a44123cbaae7dee
SHA25685db473b0312caeffcc34f62599f81224af00fa1ad27d2ce6c06d5bca44c8baf
SHA5124a00842f1a549778031f725ade93f89574ff974b3d69d99366f7fb72a91225355b5e7b87b4c85f57abe5469e79275ca91a658b49b1b8dc5dd8749b3c407a65ba
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Filesize
210KB
MD582e9d7ead2705f060c47d00f6095f968
SHA17bfc8ac899c98c28918545a0b4b6063fa8ff06e8
SHA256a2837287e1dd493f83ad6a175ecb41fe7c3bbae96f1976e704ad5503ec4319a8
SHA5125983a54772b44b1ed661ad165334583f8330f217d23bfcf5b505d8a79a7fc955da856a21af63560f44f6ac53d59e7e7cc8a109b3c2bc6e1a83a27ae8ade18c4c
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0
