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Analysis
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max time kernel
147s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/01/2025, 13:55
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20241007-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\~SDCD7F.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDCD96.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 3640 !WannaDecryptor!.exe 3456 !WannaDecryptor!.exe 1364 !WannaDecryptor!.exe 1188 !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-1-5-21-2045521122-590294423-3465680274-1000\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 taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.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 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 cscript.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 taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe -
Kills process with taskkill 4 IoCs
pid Process 3656 taskkill.exe 4472 taskkill.exe 2256 taskkill.exe 4720 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3656 taskkill.exe Token: SeDebugPrivilege 4472 taskkill.exe Token: SeDebugPrivilege 2256 taskkill.exe Token: SeDebugPrivilege 4720 taskkill.exe Token: SeIncreaseQuotaPrivilege 4424 WMIC.exe Token: SeSecurityPrivilege 4424 WMIC.exe Token: SeTakeOwnershipPrivilege 4424 WMIC.exe Token: SeLoadDriverPrivilege 4424 WMIC.exe Token: SeSystemProfilePrivilege 4424 WMIC.exe Token: SeSystemtimePrivilege 4424 WMIC.exe Token: SeProfSingleProcessPrivilege 4424 WMIC.exe Token: SeIncBasePriorityPrivilege 4424 WMIC.exe Token: SeCreatePagefilePrivilege 4424 WMIC.exe Token: SeBackupPrivilege 4424 WMIC.exe Token: SeRestorePrivilege 4424 WMIC.exe Token: SeShutdownPrivilege 4424 WMIC.exe Token: SeDebugPrivilege 4424 WMIC.exe Token: SeSystemEnvironmentPrivilege 4424 WMIC.exe Token: SeRemoteShutdownPrivilege 4424 WMIC.exe Token: SeUndockPrivilege 4424 WMIC.exe Token: SeManageVolumePrivilege 4424 WMIC.exe Token: 33 4424 WMIC.exe Token: 34 4424 WMIC.exe Token: 35 4424 WMIC.exe Token: 36 4424 WMIC.exe Token: SeIncreaseQuotaPrivilege 4424 WMIC.exe Token: SeSecurityPrivilege 4424 WMIC.exe Token: SeTakeOwnershipPrivilege 4424 WMIC.exe Token: SeLoadDriverPrivilege 4424 WMIC.exe Token: SeSystemProfilePrivilege 4424 WMIC.exe Token: SeSystemtimePrivilege 4424 WMIC.exe Token: SeProfSingleProcessPrivilege 4424 WMIC.exe Token: SeIncBasePriorityPrivilege 4424 WMIC.exe Token: SeCreatePagefilePrivilege 4424 WMIC.exe Token: SeBackupPrivilege 4424 WMIC.exe Token: SeRestorePrivilege 4424 WMIC.exe Token: SeShutdownPrivilege 4424 WMIC.exe Token: SeDebugPrivilege 4424 WMIC.exe Token: SeSystemEnvironmentPrivilege 4424 WMIC.exe Token: SeRemoteShutdownPrivilege 4424 WMIC.exe Token: SeUndockPrivilege 4424 WMIC.exe Token: SeManageVolumePrivilege 4424 WMIC.exe Token: 33 4424 WMIC.exe Token: 34 4424 WMIC.exe Token: 35 4424 WMIC.exe Token: 36 4424 WMIC.exe Token: SeBackupPrivilege 824 vssvc.exe Token: SeRestorePrivilege 824 vssvc.exe Token: SeAuditPrivilege 824 vssvc.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1188 !WannaDecryptor!.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 3640 !WannaDecryptor!.exe 3640 !WannaDecryptor!.exe 3456 !WannaDecryptor!.exe 3456 !WannaDecryptor!.exe 1364 !WannaDecryptor!.exe 1364 !WannaDecryptor!.exe 1188 !WannaDecryptor!.exe 1188 !WannaDecryptor!.exe 2368 OpenWith.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 396 wrote to memory of 4376 396 WannaCry.exe 85 PID 396 wrote to memory of 4376 396 WannaCry.exe 85 PID 396 wrote to memory of 4376 396 WannaCry.exe 85 PID 4376 wrote to memory of 4264 4376 cmd.exe 87 PID 4376 wrote to memory of 4264 4376 cmd.exe 87 PID 4376 wrote to memory of 4264 4376 cmd.exe 87 PID 396 wrote to memory of 3640 396 WannaCry.exe 88 PID 396 wrote to memory of 3640 396 WannaCry.exe 88 PID 396 wrote to memory of 3640 396 WannaCry.exe 88 PID 396 wrote to memory of 3656 396 WannaCry.exe 89 PID 396 wrote to memory of 3656 396 WannaCry.exe 89 PID 396 wrote to memory of 3656 396 WannaCry.exe 89 PID 396 wrote to memory of 4720 396 WannaCry.exe 90 PID 396 wrote to memory of 4720 396 WannaCry.exe 90 PID 396 wrote to memory of 4720 396 WannaCry.exe 90 PID 396 wrote to memory of 2256 396 WannaCry.exe 91 PID 396 wrote to memory of 2256 396 WannaCry.exe 91 PID 396 wrote to memory of 2256 396 WannaCry.exe 91 PID 396 wrote to memory of 4472 396 WannaCry.exe 92 PID 396 wrote to memory of 4472 396 WannaCry.exe 92 PID 396 wrote to memory of 4472 396 WannaCry.exe 92 PID 396 wrote to memory of 3456 396 WannaCry.exe 100 PID 396 wrote to memory of 3456 396 WannaCry.exe 100 PID 396 wrote to memory of 3456 396 WannaCry.exe 100 PID 396 wrote to memory of 2584 396 WannaCry.exe 101 PID 396 wrote to memory of 2584 396 WannaCry.exe 101 PID 396 wrote to memory of 2584 396 WannaCry.exe 101 PID 2584 wrote to memory of 1364 2584 cmd.exe 103 PID 2584 wrote to memory of 1364 2584 cmd.exe 103 PID 2584 wrote to memory of 1364 2584 cmd.exe 103 PID 396 wrote to memory of 1188 396 WannaCry.exe 105 PID 396 wrote to memory of 1188 396 WannaCry.exe 105 PID 396 wrote to memory of 1188 396 WannaCry.exe 105 PID 1364 wrote to memory of 4648 1364 !WannaDecryptor!.exe 106 PID 1364 wrote to memory of 4648 1364 !WannaDecryptor!.exe 106 PID 1364 wrote to memory of 4648 1364 !WannaDecryptor!.exe 106 PID 4648 wrote to memory of 4424 4648 cmd.exe 108 PID 4648 wrote to memory of 4424 4648 cmd.exe 108 PID 4648 wrote to memory of 4424 4648 cmd.exe 108 -
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:396 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 180421737294935.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:4264
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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:3640
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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:3656
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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:4720
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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:2256
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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:4472
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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:3456
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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:2584 -
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:1364 -
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:4648 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4424
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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:1188
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:824
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2368
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
1KB
MD5db10fa4882ac539e437785d8c1284620
SHA15da2ff85a12d032aac3e5d22121bc51a9836fdf5
SHA2560df1f24a8cba9d11214067389ba1216e4639dce2ccc69c8f1db18a0c02f68137
SHA51281f3b86f006be612cfc96a3caefd9e8bce6a10bd3031e29da88cdfbd4ced52f509357b165b565955dc87969fbd7bbb1a90560fd5618b53afa700c0331c07d0e6
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Filesize
136B
MD5b2607071c76a635de86577a71e178f03
SHA1ad53a0373b6cfcfc80321bf8ba443a9d18a4f905
SHA256e87cb082d575ce0ccc258399e60a1d994c9f46eda82319092d593e6a06be868b
SHA5124f7286485b3341eed4b271ec16b5dfea3fe0a454225607a0f9f3188e9857d54754e9ffba9cb93d53236227a3b6f566a58493a07b7cb8a8433de42cef0ac73a5a
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Filesize
136B
MD5874c7fc473c2e6a6e0377324611b6f5d
SHA18fabfae95f45cb259b79b6d11a42d5b1e4c59bc1
SHA2560dc6c26e83e655dc968b10bd86cf038d448d50337465a18a3c0c98c13c655500
SHA512edfeaf3e080881c6b8f68553839bbdafdd64d9ff5ecb39773b3a4001159f462ac9af46f84431e88b4f211ea59bce5571b2b32b95856dcc4866c3544e9c7cc515
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Filesize
136B
MD51fa8681bac879248588e26f27091f8b9
SHA1c9eaabdaebc6078d9d8310a1f66043df7b2b6a85
SHA256b86270cf64e75043571dde908ea027002a5030e7503b6e38b64db75903960462
SHA512461b3a2a72cfc1e0e8483354f216fb25b23d59697ca94318d805ae1a5a6edf2805191d8da731e9860bf64dd4ffd58d929ba6266b8005fad54439f21cf89242f9
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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
MD5676161cf9e70e4f5296c5517c8deff6f
SHA1b072d30f96039047b555bb7db1afde2d70215ada
SHA25621a1aea900da62792e07569ef9fbd5b61621cb76d1e0ce560f4f9a57d5ee58d9
SHA51285d31bd2243d30d5a9bd2eebb191e1dc002e54ef01f5ec391bc57b7f8fc71f31ff95903b2ea7fe6d1c04d6bfd56eb7eb43f82e5a7ee70aafda0c2cec2384ad7c
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5