Analysis
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max time kernel
67s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 05:43
Behavioral task
behavioral1
Sample
2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe
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Size
42KB
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MD5
ecc1dbb576ea857b4dfbda144349f51e
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SHA1
1d0a78742f5b43df5239ff7b714a2c7b86af186f
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SHA256
e4750b302d7169980f33332aa65bdcf8b381838ed2ca2a14fb9d3fb7b1566834
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SHA512
49307aaf7b3acd002874b36de0b5054cf6db28ce800b8cb57b094d88f9265be881c93ce4e318bcb041ad66568517ff0f13708fc0329d1c630faba85a2becae0b
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SSDEEP
768:sqo2QhTlspqqP9r9lf0tIKahl7VXnSRAFDWLIIFCO2bjeO:Lo2GZnqP9r9lf0tI5hjIS6cIFCWO
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
chaos
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4520-0-0x0000000000D70000-0x0000000000D80000-memory.dmp family_chaos C:\Users\Admin\AppData\Roaming\svchost.exe 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 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4520-0-0x0000000000D70000-0x0000000000D80000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware C:\Users\Admin\AppData\Roaming\svchost.exe INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
Processes:
bcdedit.exebcdedit.exepid process 3168 bcdedit.exe 4056 bcdedit.exe -
Processes:
wbadmin.exepid process 2320 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exesvchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation svchost.exe -
Drops startup file 3 IoCs
Processes:
svchost.exedescription 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\read_it.txt svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 908 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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Drops desktop.ini file(s) 34 IoCs
Processes:
svchost.exedescription ioc process File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\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\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\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\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\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\Roaming\Microsoft\Windows\Start Menu\Programs\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\Admin\Downloads\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\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\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\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2818691465-3043947619-2475182763-1000\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\AppData\Roaming\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\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rfqae1tfu.jpg" svchost.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.
Processes:
vds.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\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 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 332 vssadmin.exe -
Modifies registry class 1 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 2628 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
svchost.exepid process 908 svchost.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
Processes:
2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exesvchost.exepid process 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe 908 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
Processes:
2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exesvchost.exevssvc.exeWMIC.exewbengine.exedescription pid process Token: SeDebugPrivilege 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe Token: SeDebugPrivilege 908 svchost.exe Token: SeBackupPrivilege 532 vssvc.exe Token: SeRestorePrivilege 532 vssvc.exe Token: SeAuditPrivilege 532 vssvc.exe Token: SeIncreaseQuotaPrivilege 912 WMIC.exe Token: SeSecurityPrivilege 912 WMIC.exe Token: SeTakeOwnershipPrivilege 912 WMIC.exe Token: SeLoadDriverPrivilege 912 WMIC.exe Token: SeSystemProfilePrivilege 912 WMIC.exe Token: SeSystemtimePrivilege 912 WMIC.exe Token: SeProfSingleProcessPrivilege 912 WMIC.exe Token: SeIncBasePriorityPrivilege 912 WMIC.exe Token: SeCreatePagefilePrivilege 912 WMIC.exe Token: SeBackupPrivilege 912 WMIC.exe Token: SeRestorePrivilege 912 WMIC.exe Token: SeShutdownPrivilege 912 WMIC.exe Token: SeDebugPrivilege 912 WMIC.exe Token: SeSystemEnvironmentPrivilege 912 WMIC.exe Token: SeRemoteShutdownPrivilege 912 WMIC.exe Token: SeUndockPrivilege 912 WMIC.exe Token: SeManageVolumePrivilege 912 WMIC.exe Token: 33 912 WMIC.exe Token: 34 912 WMIC.exe Token: 35 912 WMIC.exe Token: 36 912 WMIC.exe Token: SeIncreaseQuotaPrivilege 912 WMIC.exe Token: SeSecurityPrivilege 912 WMIC.exe Token: SeTakeOwnershipPrivilege 912 WMIC.exe Token: SeLoadDriverPrivilege 912 WMIC.exe Token: SeSystemProfilePrivilege 912 WMIC.exe Token: SeSystemtimePrivilege 912 WMIC.exe Token: SeProfSingleProcessPrivilege 912 WMIC.exe Token: SeIncBasePriorityPrivilege 912 WMIC.exe Token: SeCreatePagefilePrivilege 912 WMIC.exe Token: SeBackupPrivilege 912 WMIC.exe Token: SeRestorePrivilege 912 WMIC.exe Token: SeShutdownPrivilege 912 WMIC.exe Token: SeDebugPrivilege 912 WMIC.exe Token: SeSystemEnvironmentPrivilege 912 WMIC.exe Token: SeRemoteShutdownPrivilege 912 WMIC.exe Token: SeUndockPrivilege 912 WMIC.exe Token: SeManageVolumePrivilege 912 WMIC.exe Token: 33 912 WMIC.exe Token: 34 912 WMIC.exe Token: 35 912 WMIC.exe Token: 36 912 WMIC.exe Token: SeBackupPrivilege 3628 wbengine.exe Token: SeRestorePrivilege 3628 wbengine.exe Token: SeSecurityPrivilege 3628 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exesvchost.execmd.execmd.execmd.exedescription pid process target process PID 4520 wrote to memory of 908 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe svchost.exe PID 4520 wrote to memory of 908 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe svchost.exe PID 908 wrote to memory of 4492 908 svchost.exe cmd.exe PID 908 wrote to memory of 4492 908 svchost.exe cmd.exe PID 4492 wrote to memory of 332 4492 cmd.exe vssadmin.exe PID 4492 wrote to memory of 332 4492 cmd.exe vssadmin.exe PID 4492 wrote to memory of 912 4492 cmd.exe WMIC.exe PID 4492 wrote to memory of 912 4492 cmd.exe WMIC.exe PID 908 wrote to memory of 3636 908 svchost.exe cmd.exe PID 908 wrote to memory of 3636 908 svchost.exe cmd.exe PID 3636 wrote to memory of 3168 3636 cmd.exe bcdedit.exe PID 3636 wrote to memory of 3168 3636 cmd.exe bcdedit.exe PID 3636 wrote to memory of 4056 3636 cmd.exe bcdedit.exe PID 3636 wrote to memory of 4056 3636 cmd.exe bcdedit.exe PID 908 wrote to memory of 1520 908 svchost.exe cmd.exe PID 908 wrote to memory of 1520 908 svchost.exe cmd.exe PID 1520 wrote to memory of 2320 1520 cmd.exe wbadmin.exe PID 1520 wrote to memory of 2320 1520 cmd.exe wbadmin.exe PID 908 wrote to memory of 2628 908 svchost.exe NOTEPAD.EXE PID 908 wrote to memory of 2628 908 svchost.exe NOTEPAD.EXE -
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\2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
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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
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt3⤵
- Opens file in notepad (likely ransom note)
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
42KB
MD5ecc1dbb576ea857b4dfbda144349f51e
SHA11d0a78742f5b43df5239ff7b714a2c7b86af186f
SHA256e4750b302d7169980f33332aa65bdcf8b381838ed2ca2a14fb9d3fb7b1566834
SHA51249307aaf7b3acd002874b36de0b5054cf6db28ce800b8cb57b094d88f9265be881c93ce4e318bcb041ad66568517ff0f13708fc0329d1c630faba85a2becae0b
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C:\Users\Admin\Documents\read_it.txtFilesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740
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memory/908-15-0x00007FFCCA320000-0x00007FFCCADE1000-memory.dmpFilesize
10.8MB
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memory/908-480-0x00007FFCCA320000-0x00007FFCCADE1000-memory.dmpFilesize
10.8MB
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memory/4520-0-0x0000000000D70000-0x0000000000D80000-memory.dmpFilesize
64KB
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memory/4520-1-0x00007FFCCA320000-0x00007FFCCADE1000-memory.dmpFilesize
10.8MB
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memory/4520-14-0x00007FFCCA320000-0x00007FFCCADE1000-memory.dmpFilesize
10.8MB