Analysis
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max time kernel
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max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 20:35
Behavioral task
behavioral1
Sample
2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
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Size
90KB
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MD5
ffc57c8e2bd70a2bc54a57831365206c
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SHA1
f796709aa9cb78452e9d1ed405ba2dfee2338e95
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SHA256
1d9b7f8264e5395f19691942028ef38cfe25368e2a97cb6af32e0b741f32314f
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SHA512
e4015d0c80690bc4c478f19c95ed5429a618bc389a5c4201e459bfe842e270c8b325727cbde2c35c12d8fc5e0ccaa1159de554eaa775e7f1046f7405f2f66990
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SSDEEP
768:Xqo2LyU8dUp5nj8Wd3ELLr9m/HbQe3eyUfi3yLDTV:ao22vdynrd3ELLr9853eywKyLDTV
Malware Config
Extracted
C:\Users\Admin\Documents\CONSENTIMIENTO.txt
chaos
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/3316-1-0x00000000003E0000-0x00000000003FC000-memory.dmp family_chaos behavioral2/files/0x00080000000233cd-6.dat family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 3660 bcdedit.exe 1748 bcdedit.exe -
pid Process 3348 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation Microsoft365.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CONSENTIMIENTO.txt Microsoft365.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft365.url Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini Microsoft365.exe -
Executes dropped EXE 1 IoCs
pid Process 5056 Microsoft365.exe -
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) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\OneDrive\desktop.ini Microsoft365.exe File opened for modification C:\Users\Public\Music\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Videos\desktop.ini Microsoft365.exe File opened for modification C:\Users\Public\Videos\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Searches\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Microsoft365.exe File opened for modification C:\Users\Public\Documents\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Music\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Microsoft365.exe File opened for modification C:\Users\Public\Pictures\desktop.ini Microsoft365.exe File opened for modification C:\Users\Public\Desktop\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Links\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Documents\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini Microsoft365.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini Microsoft365.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini Microsoft365.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4040 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\Local Settings Microsoft365.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4924 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5056 Microsoft365.exe -
Suspicious behavior: EnumeratesProcesses 47 IoCs
pid Process 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe 5056 Microsoft365.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe Token: SeDebugPrivilege 5056 Microsoft365.exe Token: SeBackupPrivilege 2108 vssvc.exe Token: SeRestorePrivilege 2108 vssvc.exe Token: SeAuditPrivilege 2108 vssvc.exe Token: SeIncreaseQuotaPrivilege 100 WMIC.exe Token: SeSecurityPrivilege 100 WMIC.exe Token: SeTakeOwnershipPrivilege 100 WMIC.exe Token: SeLoadDriverPrivilege 100 WMIC.exe Token: SeSystemProfilePrivilege 100 WMIC.exe Token: SeSystemtimePrivilege 100 WMIC.exe Token: SeProfSingleProcessPrivilege 100 WMIC.exe Token: SeIncBasePriorityPrivilege 100 WMIC.exe Token: SeCreatePagefilePrivilege 100 WMIC.exe Token: SeBackupPrivilege 100 WMIC.exe Token: SeRestorePrivilege 100 WMIC.exe Token: SeShutdownPrivilege 100 WMIC.exe Token: SeDebugPrivilege 100 WMIC.exe Token: SeSystemEnvironmentPrivilege 100 WMIC.exe Token: SeRemoteShutdownPrivilege 100 WMIC.exe Token: SeUndockPrivilege 100 WMIC.exe Token: SeManageVolumePrivilege 100 WMIC.exe Token: 33 100 WMIC.exe Token: 34 100 WMIC.exe Token: 35 100 WMIC.exe Token: 36 100 WMIC.exe Token: SeIncreaseQuotaPrivilege 100 WMIC.exe Token: SeSecurityPrivilege 100 WMIC.exe Token: SeTakeOwnershipPrivilege 100 WMIC.exe Token: SeLoadDriverPrivilege 100 WMIC.exe Token: SeSystemProfilePrivilege 100 WMIC.exe Token: SeSystemtimePrivilege 100 WMIC.exe Token: SeProfSingleProcessPrivilege 100 WMIC.exe Token: SeIncBasePriorityPrivilege 100 WMIC.exe Token: SeCreatePagefilePrivilege 100 WMIC.exe Token: SeBackupPrivilege 100 WMIC.exe Token: SeRestorePrivilege 100 WMIC.exe Token: SeShutdownPrivilege 100 WMIC.exe Token: SeDebugPrivilege 100 WMIC.exe Token: SeSystemEnvironmentPrivilege 100 WMIC.exe Token: SeRemoteShutdownPrivilege 100 WMIC.exe Token: SeUndockPrivilege 100 WMIC.exe Token: SeManageVolumePrivilege 100 WMIC.exe Token: 33 100 WMIC.exe Token: 34 100 WMIC.exe Token: 35 100 WMIC.exe Token: 36 100 WMIC.exe Token: SeBackupPrivilege 376 wbengine.exe Token: SeRestorePrivilege 376 wbengine.exe Token: SeSecurityPrivilege 376 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3316 wrote to memory of 5056 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 84 PID 3316 wrote to memory of 5056 3316 2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe 84 PID 5056 wrote to memory of 992 5056 Microsoft365.exe 86 PID 5056 wrote to memory of 992 5056 Microsoft365.exe 86 PID 992 wrote to memory of 4040 992 cmd.exe 88 PID 992 wrote to memory of 4040 992 cmd.exe 88 PID 992 wrote to memory of 100 992 cmd.exe 91 PID 992 wrote to memory of 100 992 cmd.exe 91 PID 5056 wrote to memory of 3936 5056 Microsoft365.exe 93 PID 5056 wrote to memory of 3936 5056 Microsoft365.exe 93 PID 3936 wrote to memory of 3660 3936 cmd.exe 95 PID 3936 wrote to memory of 3660 3936 cmd.exe 95 PID 3936 wrote to memory of 1748 3936 cmd.exe 96 PID 3936 wrote to memory of 1748 3936 cmd.exe 96 PID 5056 wrote to memory of 1092 5056 Microsoft365.exe 97 PID 5056 wrote to memory of 1092 5056 Microsoft365.exe 97 PID 1092 wrote to memory of 3348 1092 cmd.exe 99 PID 1092 wrote to memory of 3348 1092 cmd.exe 99 PID 5056 wrote to memory of 4924 5056 Microsoft365.exe 103 PID 5056 wrote to memory of 4924 5056 Microsoft365.exe 103 -
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\2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3316 -
C:\Users\Admin\AppData\Roaming\Microsoft365.exe"C:\Users\Admin\AppData\Roaming\Microsoft365.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:4040
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:100
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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:3936 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3660
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1748
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:3348
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\CONSENTIMIENTO.txt3⤵
- Opens file in notepad (likely ransom note)
PID:4924
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2108
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:376
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1148
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:2692
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
90KB
MD5ffc57c8e2bd70a2bc54a57831365206c
SHA1f796709aa9cb78452e9d1ed405ba2dfee2338e95
SHA2561d9b7f8264e5395f19691942028ef38cfe25368e2a97cb6af32e0b741f32314f
SHA512e4015d0c80690bc4c478f19c95ed5429a618bc389a5c4201e459bfe842e270c8b325727cbde2c35c12d8fc5e0ccaa1159de554eaa775e7f1046f7405f2f66990
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Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740