Analysis
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max time kernel
599s -
max time network
501s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
12-01-2025 05:44
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral3
Sample
WannaCry.exe
Resource
win11-20241023-en
General
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Target
WannaCry.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Wannacry family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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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\~SD8CE4.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8CEB.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2792 !WannaDecryptor!.exe 1892 !WannaDecryptor!.exe 476 !WannaDecryptor!.exe 744 !WannaDecryptor!.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WannaCry.exe\" /r" WannaCry.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WannaCry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Kills process with taskkill 4 IoCs
pid Process 216 taskkill.exe 3036 taskkill.exe 3116 taskkill.exe 2416 taskkill.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 816 WINWORD.EXE 816 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4868 WMIC.exe 4868 WMIC.exe 4868 WMIC.exe 4868 WMIC.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3036 taskkill.exe Token: SeDebugPrivilege 2416 taskkill.exe Token: SeDebugPrivilege 3116 taskkill.exe Token: SeDebugPrivilege 216 taskkill.exe Token: SeIncreaseQuotaPrivilege 4868 WMIC.exe Token: SeSecurityPrivilege 4868 WMIC.exe Token: SeTakeOwnershipPrivilege 4868 WMIC.exe Token: SeLoadDriverPrivilege 4868 WMIC.exe Token: SeSystemProfilePrivilege 4868 WMIC.exe Token: SeSystemtimePrivilege 4868 WMIC.exe Token: SeProfSingleProcessPrivilege 4868 WMIC.exe Token: SeIncBasePriorityPrivilege 4868 WMIC.exe Token: SeCreatePagefilePrivilege 4868 WMIC.exe Token: SeBackupPrivilege 4868 WMIC.exe Token: SeRestorePrivilege 4868 WMIC.exe Token: SeShutdownPrivilege 4868 WMIC.exe Token: SeDebugPrivilege 4868 WMIC.exe Token: SeSystemEnvironmentPrivilege 4868 WMIC.exe Token: SeRemoteShutdownPrivilege 4868 WMIC.exe Token: SeUndockPrivilege 4868 WMIC.exe Token: SeManageVolumePrivilege 4868 WMIC.exe Token: 33 4868 WMIC.exe Token: 34 4868 WMIC.exe Token: 35 4868 WMIC.exe Token: 36 4868 WMIC.exe Token: SeIncreaseQuotaPrivilege 4868 WMIC.exe Token: SeSecurityPrivilege 4868 WMIC.exe Token: SeTakeOwnershipPrivilege 4868 WMIC.exe Token: SeLoadDriverPrivilege 4868 WMIC.exe Token: SeSystemProfilePrivilege 4868 WMIC.exe Token: SeSystemtimePrivilege 4868 WMIC.exe Token: SeProfSingleProcessPrivilege 4868 WMIC.exe Token: SeIncBasePriorityPrivilege 4868 WMIC.exe Token: SeCreatePagefilePrivilege 4868 WMIC.exe Token: SeBackupPrivilege 4868 WMIC.exe Token: SeRestorePrivilege 4868 WMIC.exe Token: SeShutdownPrivilege 4868 WMIC.exe Token: SeDebugPrivilege 4868 WMIC.exe Token: SeSystemEnvironmentPrivilege 4868 WMIC.exe Token: SeRemoteShutdownPrivilege 4868 WMIC.exe Token: SeUndockPrivilege 4868 WMIC.exe Token: SeManageVolumePrivilege 4868 WMIC.exe Token: 33 4868 WMIC.exe Token: 34 4868 WMIC.exe Token: 35 4868 WMIC.exe Token: 36 4868 WMIC.exe Token: SeBackupPrivilege 2316 vssvc.exe Token: SeRestorePrivilege 2316 vssvc.exe Token: SeAuditPrivilege 2316 vssvc.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 744 !WannaDecryptor!.exe -
Suspicious use of SetWindowsHookEx 21 IoCs
pid Process 2792 !WannaDecryptor!.exe 2792 !WannaDecryptor!.exe 1892 !WannaDecryptor!.exe 1892 !WannaDecryptor!.exe 476 !WannaDecryptor!.exe 476 !WannaDecryptor!.exe 744 !WannaDecryptor!.exe 744 !WannaDecryptor!.exe 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE 816 WINWORD.EXE -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3488 wrote to memory of 5116 3488 WannaCry.exe 80 PID 3488 wrote to memory of 5116 3488 WannaCry.exe 80 PID 3488 wrote to memory of 5116 3488 WannaCry.exe 80 PID 5116 wrote to memory of 948 5116 cmd.exe 82 PID 5116 wrote to memory of 948 5116 cmd.exe 82 PID 5116 wrote to memory of 948 5116 cmd.exe 82 PID 3488 wrote to memory of 2792 3488 WannaCry.exe 83 PID 3488 wrote to memory of 2792 3488 WannaCry.exe 83 PID 3488 wrote to memory of 2792 3488 WannaCry.exe 83 PID 3488 wrote to memory of 3036 3488 WannaCry.exe 85 PID 3488 wrote to memory of 3036 3488 WannaCry.exe 85 PID 3488 wrote to memory of 3036 3488 WannaCry.exe 85 PID 3488 wrote to memory of 3116 3488 WannaCry.exe 86 PID 3488 wrote to memory of 3116 3488 WannaCry.exe 86 PID 3488 wrote to memory of 3116 3488 WannaCry.exe 86 PID 3488 wrote to memory of 2416 3488 WannaCry.exe 87 PID 3488 wrote to memory of 2416 3488 WannaCry.exe 87 PID 3488 wrote to memory of 2416 3488 WannaCry.exe 87 PID 3488 wrote to memory of 216 3488 WannaCry.exe 88 PID 3488 wrote to memory of 216 3488 WannaCry.exe 88 PID 3488 wrote to memory of 216 3488 WannaCry.exe 88 PID 3488 wrote to memory of 1892 3488 WannaCry.exe 95 PID 3488 wrote to memory of 1892 3488 WannaCry.exe 95 PID 3488 wrote to memory of 1892 3488 WannaCry.exe 95 PID 3488 wrote to memory of 4752 3488 WannaCry.exe 96 PID 3488 wrote to memory of 4752 3488 WannaCry.exe 96 PID 3488 wrote to memory of 4752 3488 WannaCry.exe 96 PID 4752 wrote to memory of 476 4752 cmd.exe 98 PID 4752 wrote to memory of 476 4752 cmd.exe 98 PID 4752 wrote to memory of 476 4752 cmd.exe 98 PID 3488 wrote to memory of 744 3488 WannaCry.exe 100 PID 3488 wrote to memory of 744 3488 WannaCry.exe 100 PID 3488 wrote to memory of 744 3488 WannaCry.exe 100 PID 476 wrote to memory of 4412 476 !WannaDecryptor!.exe 101 PID 476 wrote to memory of 4412 476 !WannaDecryptor!.exe 101 PID 476 wrote to memory of 4412 476 !WannaDecryptor!.exe 101 PID 4412 wrote to memory of 4868 4412 cmd.exe 103 PID 4412 wrote to memory of 4868 4412 cmd.exe 103 PID 4412 wrote to memory of 4868 4412 cmd.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 WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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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\WannaCry.exe"C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 306131736660679.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:948
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2792
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3036
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3116
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2416
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:216
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1892
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:476 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4868
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:744
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2316
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Desktop\WriteSet.docx" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:816
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
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
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
1KB
MD589ea7028790ba6f74a477d286acf5ffe
SHA1aec595385a5364953721abfd80899ebb96d79c47
SHA256e6d90bce935e0f12bd77ddcb517f111a9f5d34d876a0f846f0a30ac10dc7328e
SHA5128fc846bada9fa02bffbbaebb24ae21b296b61346efcffb81a0dc1f652e994568bc26c7ed03e31293932493de5e13a02de313d66b6517db1e0815d2b9da7e5fe5
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Filesize
136B
MD59ff69be36c62e319d30cf499269da4ec
SHA1ba1bcab20aeff387b0efeda61875ccb44d1d233e
SHA256a3df1a018ffce4dd0515e7d467bc0d7dc45a56d3bab06ef624436a4c97bc1351
SHA512f9781656da549b56408aa58098864122b4ff711b67847b2c17fa7b2d39ec04c039ecb2a77a21b96675fcc31cc5c4115965fe534b39d0dbd0b2ce37e7f677a429
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Filesize
136B
MD5e915e520dde69c298cb3ea1907379597
SHA1ce767dcbe3566f47ab537f297ab87c3d58ca336a
SHA256840a0dbb10ec433f58b72144f880e52098bbef5e09598b4ebed98fd951bb91d9
SHA512351c96c4f38514e20dbc9d52806d951902035477603b778da8c6d777e78b909a55adf6f77ac80bd3930ef62b7bac739f0d176b79046fba65dbb81e886f476823
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Filesize
136B
MD591615f2883e88b664674320b0402d52a
SHA1ebb392b099481c06eeb4628e2440006b2c48f604
SHA256791f03c3bf525293e0958c42dd6c04bceb8a81acd735a5a2404ee52b29441013
SHA512991781e23ef38a0f8f35d409ddcc3f977a3282c6e88c9f213625f3cc81beb0ed1046a317b6b9d8f0510b9429c311a1e410dc37f3af24952e4264cb8e14fd5b6f
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD541061db0f5f4fb03652cb0b2ce9651d7
SHA1c5c9c7676452840f9f8ef1e9ceff1c244f5cc94d
SHA2563b868d9b607b8671b5937d02b79a76acabd69e93c7879cef2484b329228134e2
SHA5122872a70e4bcea2f4d8152bc46e2c4ead98e37117458b4f8be4b5603b580c3f239d9ea878380b5d8ed6b95e9c43ad52d725d8b55962b6919a70b728bf3a381362
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
18KB
MD501ed3b314cde21aad45e4c5f450b93fd
SHA108cb0f96769d5a684a219fb8203017f64b122d46
SHA256f879e4abfb041f7fbe96a333eae284fb2fe8e155e64ac7ab04f61c611cc75cea
SHA5121cb94748a03104b2913e8a118b77ac11fdf959e7a9075c09233bda86f25af01eee404716438009d6b87ce57702292ca2ad8e9f630ed2f69df8a8988293e4ff9b
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Filesize
15KB
MD58d88e6d0fb7b2ad4c2e222a17888b93c
SHA144ad1a3709bc8bd34cab65b4d34b5e0b741e85ed
SHA25686a790509f2e05dc16d65a9f06ab86c90b8bf85e52a668ce8c89bf2d5a76ec8c
SHA512f9a614c49b2350956db4ef078c9c33d112f6bec03012a6c1adaf1db961af40f58f1dc755f92e48f3639a6335cd2e988b8105afa3d7302a505b018b30f5a5618b