Analysis
-
max time kernel
128s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2025 15:24
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win10v2004-20250129-en
General
-
Target
WannaCry.exe
-
Size
224KB
-
MD5
5c7fb0927db37372da25f270708103a2
-
SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
-
SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
-
SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
-
SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Wannacry family
-
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDA809.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDA7E3.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 3408 !WannaDecryptor!.exe 3488 !WannaDecryptor!.exe 3276 !WannaDecryptor!.exe 2764 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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-1-5-21-805940606-1861219160-370298170-1000\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).
-
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 WannaCry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 taskkill.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 WMIC.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 !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe -
Kills process with taskkill 4 IoCs
pid Process 3376 taskkill.exe 2692 taskkill.exe 4496 taskkill.exe 828 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 2692 taskkill.exe Token: SeDebugPrivilege 828 taskkill.exe Token: SeDebugPrivilege 4496 taskkill.exe Token: SeDebugPrivilege 3376 taskkill.exe Token: SeIncreaseQuotaPrivilege 744 WMIC.exe Token: SeSecurityPrivilege 744 WMIC.exe Token: SeTakeOwnershipPrivilege 744 WMIC.exe Token: SeLoadDriverPrivilege 744 WMIC.exe Token: SeSystemProfilePrivilege 744 WMIC.exe Token: SeSystemtimePrivilege 744 WMIC.exe Token: SeProfSingleProcessPrivilege 744 WMIC.exe Token: SeIncBasePriorityPrivilege 744 WMIC.exe Token: SeCreatePagefilePrivilege 744 WMIC.exe Token: SeBackupPrivilege 744 WMIC.exe Token: SeRestorePrivilege 744 WMIC.exe Token: SeShutdownPrivilege 744 WMIC.exe Token: SeDebugPrivilege 744 WMIC.exe Token: SeSystemEnvironmentPrivilege 744 WMIC.exe Token: SeRemoteShutdownPrivilege 744 WMIC.exe Token: SeUndockPrivilege 744 WMIC.exe Token: SeManageVolumePrivilege 744 WMIC.exe Token: 33 744 WMIC.exe Token: 34 744 WMIC.exe Token: 35 744 WMIC.exe Token: 36 744 WMIC.exe Token: SeIncreaseQuotaPrivilege 744 WMIC.exe Token: SeSecurityPrivilege 744 WMIC.exe Token: SeTakeOwnershipPrivilege 744 WMIC.exe Token: SeLoadDriverPrivilege 744 WMIC.exe Token: SeSystemProfilePrivilege 744 WMIC.exe Token: SeSystemtimePrivilege 744 WMIC.exe Token: SeProfSingleProcessPrivilege 744 WMIC.exe Token: SeIncBasePriorityPrivilege 744 WMIC.exe Token: SeCreatePagefilePrivilege 744 WMIC.exe Token: SeBackupPrivilege 744 WMIC.exe Token: SeRestorePrivilege 744 WMIC.exe Token: SeShutdownPrivilege 744 WMIC.exe Token: SeDebugPrivilege 744 WMIC.exe Token: SeSystemEnvironmentPrivilege 744 WMIC.exe Token: SeRemoteShutdownPrivilege 744 WMIC.exe Token: SeUndockPrivilege 744 WMIC.exe Token: SeManageVolumePrivilege 744 WMIC.exe Token: 33 744 WMIC.exe Token: 34 744 WMIC.exe Token: 35 744 WMIC.exe Token: 36 744 WMIC.exe Token: SeBackupPrivilege 2548 vssvc.exe Token: SeRestorePrivilege 2548 vssvc.exe Token: SeAuditPrivilege 2548 vssvc.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2764 !WannaDecryptor!.exe 624 NOTEPAD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3408 !WannaDecryptor!.exe 3408 !WannaDecryptor!.exe 3488 !WannaDecryptor!.exe 3488 !WannaDecryptor!.exe 3276 !WannaDecryptor!.exe 3276 !WannaDecryptor!.exe 2764 !WannaDecryptor!.exe 2764 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4156 wrote to memory of 1368 4156 WannaCry.exe 83 PID 4156 wrote to memory of 1368 4156 WannaCry.exe 83 PID 4156 wrote to memory of 1368 4156 WannaCry.exe 83 PID 1368 wrote to memory of 4784 1368 cmd.exe 86 PID 1368 wrote to memory of 4784 1368 cmd.exe 86 PID 1368 wrote to memory of 4784 1368 cmd.exe 86 PID 4156 wrote to memory of 3408 4156 WannaCry.exe 87 PID 4156 wrote to memory of 3408 4156 WannaCry.exe 87 PID 4156 wrote to memory of 3408 4156 WannaCry.exe 87 PID 4156 wrote to memory of 2692 4156 WannaCry.exe 88 PID 4156 wrote to memory of 2692 4156 WannaCry.exe 88 PID 4156 wrote to memory of 2692 4156 WannaCry.exe 88 PID 4156 wrote to memory of 4496 4156 WannaCry.exe 89 PID 4156 wrote to memory of 4496 4156 WannaCry.exe 89 PID 4156 wrote to memory of 4496 4156 WannaCry.exe 89 PID 4156 wrote to memory of 828 4156 WannaCry.exe 90 PID 4156 wrote to memory of 828 4156 WannaCry.exe 90 PID 4156 wrote to memory of 828 4156 WannaCry.exe 90 PID 4156 wrote to memory of 3376 4156 WannaCry.exe 91 PID 4156 wrote to memory of 3376 4156 WannaCry.exe 91 PID 4156 wrote to memory of 3376 4156 WannaCry.exe 91 PID 4156 wrote to memory of 3488 4156 WannaCry.exe 99 PID 4156 wrote to memory of 3488 4156 WannaCry.exe 99 PID 4156 wrote to memory of 3488 4156 WannaCry.exe 99 PID 4156 wrote to memory of 4380 4156 WannaCry.exe 100 PID 4156 wrote to memory of 4380 4156 WannaCry.exe 100 PID 4156 wrote to memory of 4380 4156 WannaCry.exe 100 PID 4380 wrote to memory of 3276 4380 cmd.exe 102 PID 4380 wrote to memory of 3276 4380 cmd.exe 102 PID 4380 wrote to memory of 3276 4380 cmd.exe 102 PID 4156 wrote to memory of 2764 4156 WannaCry.exe 104 PID 4156 wrote to memory of 2764 4156 WannaCry.exe 104 PID 4156 wrote to memory of 2764 4156 WannaCry.exe 104 PID 3276 wrote to memory of 1564 3276 !WannaDecryptor!.exe 105 PID 3276 wrote to memory of 1564 3276 !WannaDecryptor!.exe 105 PID 3276 wrote to memory of 1564 3276 !WannaDecryptor!.exe 105 PID 1564 wrote to memory of 744 1564 cmd.exe 107 PID 1564 wrote to memory of 744 1564 cmd.exe 107 PID 1564 wrote to memory of 744 1564 cmd.exe 107 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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:4156 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 194311738164294.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:4784
-
-
-
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:3408
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2692
-
-
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:4496
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:828
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3376
-
-
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:3488
-
-
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4380 -
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:3276 -
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:1564 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:744
-
-
-
-
-
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:2764
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2548
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\!Please Read Me!.txt1⤵
- Suspicious use of FindShellTrayWindow
PID:624
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
-
Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
-
Filesize
1KB
MD530c550ca8f24de4989bef186f88996d8
SHA13376381c1b5c453845e628e8e801e8280684d7aa
SHA256de45ec837908cd8c8f458b457a6e80601f4ee9166e8f67a826c319c001d03938
SHA51237a98f5bab3a25672ae686700e478344e28aa2feaa91914609a25463bd18d8394fdfeb19fb87ce39e55275e23f944de4d8c2425be7420cdc58dff22acc4eb7ea
-
Filesize
1KB
MD5a0a0e01b340df5f352cabe2e1f7473cd
SHA15cf731b69ef3c5591cdb9c13c6938d6d44323c50
SHA2565de2134acb1c8c9289c3cb0a3902f53d9f254dd21cd8664c5bdd39954d401589
SHA5127097adb085e03b8a85d93b3691bad0b5e9b42859bf8f5bd47d3e076f0645ea5deca60bf25726e45107323d12d9262f67c746012d2eede64781c1d5cac201ece5
-
Filesize
136B
MD548a5c359e83b4634e4280f23c3d14e8c
SHA1d58179850321a708473d0bb482c6fc5e8f36a4e0
SHA256a7372699a57567b1d2b26eb9201fecc55bfe5819ea15b3459c959a6e72741314
SHA51231d6e802f11626fc7cd5f470200cb27c1a996f0afd2289af2b0d48a153c857aec6880bfabe37789aa71b4927eebe16f8098868aef20e21a72774ed1d472ae820
-
Filesize
136B
MD54441f39212f164b9a8e2a1e7a0aa9280
SHA14708e0e95393dbe247109b9cdc03caf1c5bd62d6
SHA2568290900c291ef5c8e19eee17abb2d707c39a3a602483e97b0873728101067f17
SHA5122ddd70101e4098ad416116b5d50f0e0163007769ce4fde596fda94576cdeb2783e074d286830ddaf944152caafde30b6501e838db1f194ab285ee4e348c4d314
-
Filesize
136B
MD54bb7f2e44b622607b1bf912132764c85
SHA1537eb3462ac4201efeb03a8185bd81060e4fb309
SHA256f2105c4171820e3eb59b9cba4c47238dbebdb4a2c5e2d95e71492385009d2c4e
SHA512d41888043a1e52ac58e0d64b200edbc3624544eb8390946bd1b4604fa73038d47172d45d970f0fc7079692bcb6178a861e9e8e5a2442020336cc9808d9c0ea7e
-
Filesize
136B
MD54e5e081c334f96fc6f3f43e696471473
SHA17e951a002f0fab56afdfd3035474e524dc87714f
SHA2567f46ef1d5d200f6485fd1d949758885edd5acae60d658d6f819dba119a5cfd30
SHA5127fe02512fdcc2c61a1f8a39e4b1ff9350e6bfe47ad3e8542e12f2625e31cc066f493aa0528c7c4fe285f5fd98e844a30d000432f31b9424b2abaeb01170d08b1
-
Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
-
Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
-
Filesize
628B
MD552d7a284c2e8a4aefb64aeea7da33e1a
SHA1d195069ee61fed08bfd1ae01d2290c58387007bc
SHA2568dcb4a2cbfa678042eccbb891c3178265b266df7ab6a2bb056d39976a4b713dc
SHA512f73d5ac9738f6910647ef86fc6b307b8289b88104f70111c646a2ca311fdf7f7fd3ab942da5dbe4bda47f838ca1807d04c41a91ffe9ab5c14ad2874324c7d9c8
-
Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5