Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
22-02-2025 01:23
Behavioral task
behavioral1
Sample
2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe
Resource
win7-20241010-en
windows7-x64
23 signatures
150 seconds
General
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Target
2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe
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Size
117KB
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MD5
0772d9df47836609fbfdd95ce144b683
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SHA1
2cfe3bebd9c1eda6f8478dd6f8271b42ddcba7c6
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SHA256
25fba19a79ca6ef0c1f8b092c8f6e0cb4ac91239089b2764f73bf59c29a544ef
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SHA512
86631a262c35324091fdbbffc5499b60b69d37b41496bd8b52fe85355c97ca07f6005e02eef4244622b4dd7659c9effa560e5ca3afb4f0f98ed2d3af6b062b86
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SSDEEP
3072:1oyESEKr9zTg9RUa2WgSEBYBEHgX0oz15WXf:XNr9zToN2WfNX0ozvq
Malware Config
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/460-1-0x0000000000380000-0x00000000003A2000-memory.dmp family_chaos behavioral2/files/0x000700000001db51-6.dat family_chaos -
Chaos family
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Hawkeye family
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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 4392 bcdedit.exe 1040 bcdedit.exe -
Renames multiple (180) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 744 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-1-5-21-3181990009-820930284-137514597-1000\Control Panel\International\Geo\Nation 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Control Panel\International\Geo\Nation windowsupdate.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windowsupdate.url windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini windowsupdate.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FUCKED.txt windowsupdate.exe -
Executes dropped EXE 1 IoCs
pid Process 2524 windowsupdate.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\Contacts\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini windowsupdate.exe File opened for modification C:\Users\Public\Pictures\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Links\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Music\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini windowsupdate.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3181990009-820930284-137514597-1000\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini windowsupdate.exe File opened for modification C:\Users\Public\Videos\desktop.ini windowsupdate.exe File opened for modification C:\Users\Public\Desktop\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Documents\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini windowsupdate.exe File opened for modification C:\Users\Public\Documents\desktop.ini windowsupdate.exe File opened for modification C:\Users\Public\Music\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Searches\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\Videos\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini windowsupdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini windowsupdate.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\uhfjnx31u.jpg" windowsupdate.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 3644 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000_Classes\Local Settings windowsupdate.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3100 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2524 windowsupdate.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe 2524 windowsupdate.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe Token: SeDebugPrivilege 2524 windowsupdate.exe Token: SeBackupPrivilege 3212 vssvc.exe Token: SeRestorePrivilege 3212 vssvc.exe Token: SeAuditPrivilege 3212 vssvc.exe Token: SeIncreaseQuotaPrivilege 3156 WMIC.exe Token: SeSecurityPrivilege 3156 WMIC.exe Token: SeTakeOwnershipPrivilege 3156 WMIC.exe Token: SeLoadDriverPrivilege 3156 WMIC.exe Token: SeSystemProfilePrivilege 3156 WMIC.exe Token: SeSystemtimePrivilege 3156 WMIC.exe Token: SeProfSingleProcessPrivilege 3156 WMIC.exe Token: SeIncBasePriorityPrivilege 3156 WMIC.exe Token: SeCreatePagefilePrivilege 3156 WMIC.exe Token: SeBackupPrivilege 3156 WMIC.exe Token: SeRestorePrivilege 3156 WMIC.exe Token: SeShutdownPrivilege 3156 WMIC.exe Token: SeDebugPrivilege 3156 WMIC.exe Token: SeSystemEnvironmentPrivilege 3156 WMIC.exe Token: SeRemoteShutdownPrivilege 3156 WMIC.exe Token: SeUndockPrivilege 3156 WMIC.exe Token: SeManageVolumePrivilege 3156 WMIC.exe Token: 33 3156 WMIC.exe Token: 34 3156 WMIC.exe Token: 35 3156 WMIC.exe Token: 36 3156 WMIC.exe Token: SeIncreaseQuotaPrivilege 3156 WMIC.exe Token: SeSecurityPrivilege 3156 WMIC.exe Token: SeTakeOwnershipPrivilege 3156 WMIC.exe Token: SeLoadDriverPrivilege 3156 WMIC.exe Token: SeSystemProfilePrivilege 3156 WMIC.exe Token: SeSystemtimePrivilege 3156 WMIC.exe Token: SeProfSingleProcessPrivilege 3156 WMIC.exe Token: SeIncBasePriorityPrivilege 3156 WMIC.exe Token: SeCreatePagefilePrivilege 3156 WMIC.exe Token: SeBackupPrivilege 3156 WMIC.exe Token: SeRestorePrivilege 3156 WMIC.exe Token: SeShutdownPrivilege 3156 WMIC.exe Token: SeDebugPrivilege 3156 WMIC.exe Token: SeSystemEnvironmentPrivilege 3156 WMIC.exe Token: SeRemoteShutdownPrivilege 3156 WMIC.exe Token: SeUndockPrivilege 3156 WMIC.exe Token: SeManageVolumePrivilege 3156 WMIC.exe Token: 33 3156 WMIC.exe Token: 34 3156 WMIC.exe Token: 35 3156 WMIC.exe Token: 36 3156 WMIC.exe Token: SeBackupPrivilege 4380 wbengine.exe Token: SeRestorePrivilege 4380 wbengine.exe Token: SeSecurityPrivilege 4380 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 460 wrote to memory of 2524 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 89 PID 460 wrote to memory of 2524 460 2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe 89 PID 2524 wrote to memory of 2996 2524 windowsupdate.exe 91 PID 2524 wrote to memory of 2996 2524 windowsupdate.exe 91 PID 2996 wrote to memory of 3644 2996 cmd.exe 93 PID 2996 wrote to memory of 3644 2996 cmd.exe 93 PID 2996 wrote to memory of 3156 2996 cmd.exe 96 PID 2996 wrote to memory of 3156 2996 cmd.exe 96 PID 2524 wrote to memory of 4796 2524 windowsupdate.exe 98 PID 2524 wrote to memory of 4796 2524 windowsupdate.exe 98 PID 4796 wrote to memory of 4392 4796 cmd.exe 100 PID 4796 wrote to memory of 4392 4796 cmd.exe 100 PID 4796 wrote to memory of 1040 4796 cmd.exe 101 PID 4796 wrote to memory of 1040 4796 cmd.exe 101 PID 2524 wrote to memory of 2304 2524 windowsupdate.exe 102 PID 2524 wrote to memory of 2304 2524 windowsupdate.exe 102 PID 2304 wrote to memory of 744 2304 cmd.exe 104 PID 2304 wrote to memory of 744 2304 cmd.exe 104 PID 2524 wrote to memory of 3100 2524 windowsupdate.exe 108 PID 2524 wrote to memory of 3100 2524 windowsupdate.exe 108 -
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\2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-22_0772d9df47836609fbfdd95ce144b683_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Users\Admin\AppData\Roaming\windowsupdate.exe"C:\Users\Admin\AppData\Roaming\windowsupdate.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:2524 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:3644
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3156
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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:4796 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4392
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1040
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:744
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\FUCKED.txt3⤵
- Opens file in notepad (likely ransom note)
PID:3100
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3212
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4380
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1500
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:4636
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
117KB
MD50772d9df47836609fbfdd95ce144b683
SHA12cfe3bebd9c1eda6f8478dd6f8271b42ddcba7c6
SHA25625fba19a79ca6ef0c1f8b092c8f6e0cb4ac91239089b2764f73bf59c29a544ef
SHA51286631a262c35324091fdbbffc5499b60b69d37b41496bd8b52fe85355c97ca07f6005e02eef4244622b4dd7659c9effa560e5ca3afb4f0f98ed2d3af6b062b86
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Filesize
185B
MD51fe92582c3080f8677f0b72c7d011d88
SHA1f3fad646a2a205dd5646014e3e86e0eff25aedb0
SHA2563fafb5fad577d0436f3f59ead7b124fc6ab80512fb7e9e88960ce6f384fb1312
SHA5123d5d5be6e3ad4bef75cf532782bd1c616642a2bda1241c4eb310309e73a2109a0215188819e00e1fe7d7fa0141781b22d5a124e96f11aa75104bbad637d2f6d9