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
resource yara_rule behavioral2/memory/4520-0-0x0000000000D70000-0x0000000000D80000-memory.dmp family_chaos behavioral2/files/0x000e000000023a6d-6.dat 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
resource yara_rule behavioral2/memory/4520-0-0x0000000000D70000-0x0000000000D80000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware behavioral2/files/0x000e000000023a6d-6.dat INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 3168 bcdedit.exe 4056 bcdedit.exe -
pid Process 2320 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-1-5-21-2818691465-3043947619-2475182763-1000\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
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\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
pid 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
description 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
description 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.
description 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.
pid Process 332 vssadmin.exe -
Modifies registry class 1 IoCs
description 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
pid Process 2628 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 908 svchost.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
pid 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
description 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
description pid Process procid_target PID 4520 wrote to memory of 908 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 87 PID 4520 wrote to memory of 908 4520 2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe 87 PID 908 wrote to memory of 4492 908 svchost.exe 89 PID 908 wrote to memory of 4492 908 svchost.exe 89 PID 4492 wrote to memory of 332 4492 cmd.exe 91 PID 4492 wrote to memory of 332 4492 cmd.exe 91 PID 4492 wrote to memory of 912 4492 cmd.exe 94 PID 4492 wrote to memory of 912 4492 cmd.exe 94 PID 908 wrote to memory of 3636 908 svchost.exe 96 PID 908 wrote to memory of 3636 908 svchost.exe 96 PID 3636 wrote to memory of 3168 3636 cmd.exe 98 PID 3636 wrote to memory of 3168 3636 cmd.exe 98 PID 3636 wrote to memory of 4056 3636 cmd.exe 99 PID 3636 wrote to memory of 4056 3636 cmd.exe 99 PID 908 wrote to memory of 1520 908 svchost.exe 100 PID 908 wrote to memory of 1520 908 svchost.exe 100 PID 1520 wrote to memory of 2320 1520 cmd.exe 102 PID 1520 wrote to memory of 2320 1520 cmd.exe 102 PID 908 wrote to memory of 2628 908 svchost.exe 106 PID 908 wrote to memory of 2628 908 svchost.exe 106 -
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
PID:4520 -
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
PID:908 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:332
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:912
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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:3636 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3168
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4056
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2320
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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)
PID:2628
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:532
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3628
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:316
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:4752
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5ecc1dbb576ea857b4dfbda144349f51e
SHA11d0a78742f5b43df5239ff7b714a2c7b86af186f
SHA256e4750b302d7169980f33332aa65bdcf8b381838ed2ca2a14fb9d3fb7b1566834
SHA51249307aaf7b3acd002874b36de0b5054cf6db28ce800b8cb57b094d88f9265be881c93ce4e318bcb041ad66568517ff0f13708fc0329d1c630faba85a2becae0b
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Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740