Analysis
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max time kernel
118s -
max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 22:39
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10ltsc2021-20241023-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\Documents\!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\Word\STARTUP\~SD49DC.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD49C8.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2008 !WannaDecryptor!.exe 2988 !WannaDecryptor!.exe 2972 !WannaDecryptor!.exe 2992 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2960 cscript.exe 2776 WannaCry.exe 2776 WannaCry.exe 2776 WannaCry.exe 2776 WannaCry.exe 2892 cmd.exe 2892 cmd.exe 2776 WannaCry.exe 2776 WannaCry.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 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !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 15 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 !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vssadmin.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 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 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 WannaCry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2284 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 848 taskkill.exe 736 taskkill.exe 952 taskkill.exe 1508 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2992 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 848 taskkill.exe Token: SeDebugPrivilege 952 taskkill.exe Token: SeDebugPrivilege 1508 taskkill.exe Token: SeDebugPrivilege 736 taskkill.exe Token: SeBackupPrivilege 844 vssvc.exe Token: SeRestorePrivilege 844 vssvc.exe Token: SeAuditPrivilege 844 vssvc.exe Token: SeIncreaseQuotaPrivilege 2512 WMIC.exe Token: SeSecurityPrivilege 2512 WMIC.exe Token: SeTakeOwnershipPrivilege 2512 WMIC.exe Token: SeLoadDriverPrivilege 2512 WMIC.exe Token: SeSystemProfilePrivilege 2512 WMIC.exe Token: SeSystemtimePrivilege 2512 WMIC.exe Token: SeProfSingleProcessPrivilege 2512 WMIC.exe Token: SeIncBasePriorityPrivilege 2512 WMIC.exe Token: SeCreatePagefilePrivilege 2512 WMIC.exe Token: SeBackupPrivilege 2512 WMIC.exe Token: SeRestorePrivilege 2512 WMIC.exe Token: SeShutdownPrivilege 2512 WMIC.exe Token: SeDebugPrivilege 2512 WMIC.exe Token: SeSystemEnvironmentPrivilege 2512 WMIC.exe Token: SeRemoteShutdownPrivilege 2512 WMIC.exe Token: SeUndockPrivilege 2512 WMIC.exe Token: SeManageVolumePrivilege 2512 WMIC.exe Token: 33 2512 WMIC.exe Token: 34 2512 WMIC.exe Token: 35 2512 WMIC.exe Token: SeIncreaseQuotaPrivilege 2512 WMIC.exe Token: SeSecurityPrivilege 2512 WMIC.exe Token: SeTakeOwnershipPrivilege 2512 WMIC.exe Token: SeLoadDriverPrivilege 2512 WMIC.exe Token: SeSystemProfilePrivilege 2512 WMIC.exe Token: SeSystemtimePrivilege 2512 WMIC.exe Token: SeProfSingleProcessPrivilege 2512 WMIC.exe Token: SeIncBasePriorityPrivilege 2512 WMIC.exe Token: SeCreatePagefilePrivilege 2512 WMIC.exe Token: SeBackupPrivilege 2512 WMIC.exe Token: SeRestorePrivilege 2512 WMIC.exe Token: SeShutdownPrivilege 2512 WMIC.exe Token: SeDebugPrivilege 2512 WMIC.exe Token: SeSystemEnvironmentPrivilege 2512 WMIC.exe Token: SeRemoteShutdownPrivilege 2512 WMIC.exe Token: SeUndockPrivilege 2512 WMIC.exe Token: SeManageVolumePrivilege 2512 WMIC.exe Token: 33 2512 WMIC.exe Token: 34 2512 WMIC.exe Token: 35 2512 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2008 !WannaDecryptor!.exe 2008 !WannaDecryptor!.exe 2988 !WannaDecryptor!.exe 2988 !WannaDecryptor!.exe 2972 !WannaDecryptor!.exe 2972 !WannaDecryptor!.exe 2992 !WannaDecryptor!.exe 2992 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2776 wrote to memory of 2456 2776 WannaCry.exe 30 PID 2776 wrote to memory of 2456 2776 WannaCry.exe 30 PID 2776 wrote to memory of 2456 2776 WannaCry.exe 30 PID 2776 wrote to memory of 2456 2776 WannaCry.exe 30 PID 2456 wrote to memory of 2960 2456 cmd.exe 32 PID 2456 wrote to memory of 2960 2456 cmd.exe 32 PID 2456 wrote to memory of 2960 2456 cmd.exe 32 PID 2456 wrote to memory of 2960 2456 cmd.exe 32 PID 2776 wrote to memory of 2008 2776 WannaCry.exe 33 PID 2776 wrote to memory of 2008 2776 WannaCry.exe 33 PID 2776 wrote to memory of 2008 2776 WannaCry.exe 33 PID 2776 wrote to memory of 2008 2776 WannaCry.exe 33 PID 2776 wrote to memory of 848 2776 WannaCry.exe 35 PID 2776 wrote to memory of 848 2776 WannaCry.exe 35 PID 2776 wrote to memory of 848 2776 WannaCry.exe 35 PID 2776 wrote to memory of 848 2776 WannaCry.exe 35 PID 2776 wrote to memory of 736 2776 WannaCry.exe 36 PID 2776 wrote to memory of 736 2776 WannaCry.exe 36 PID 2776 wrote to memory of 736 2776 WannaCry.exe 36 PID 2776 wrote to memory of 736 2776 WannaCry.exe 36 PID 2776 wrote to memory of 952 2776 WannaCry.exe 38 PID 2776 wrote to memory of 952 2776 WannaCry.exe 38 PID 2776 wrote to memory of 952 2776 WannaCry.exe 38 PID 2776 wrote to memory of 952 2776 WannaCry.exe 38 PID 2776 wrote to memory of 1508 2776 WannaCry.exe 41 PID 2776 wrote to memory of 1508 2776 WannaCry.exe 41 PID 2776 wrote to memory of 1508 2776 WannaCry.exe 41 PID 2776 wrote to memory of 1508 2776 WannaCry.exe 41 PID 2776 wrote to memory of 2988 2776 WannaCry.exe 44 PID 2776 wrote to memory of 2988 2776 WannaCry.exe 44 PID 2776 wrote to memory of 2988 2776 WannaCry.exe 44 PID 2776 wrote to memory of 2988 2776 WannaCry.exe 44 PID 2776 wrote to memory of 2892 2776 WannaCry.exe 45 PID 2776 wrote to memory of 2892 2776 WannaCry.exe 45 PID 2776 wrote to memory of 2892 2776 WannaCry.exe 45 PID 2776 wrote to memory of 2892 2776 WannaCry.exe 45 PID 2892 wrote to memory of 2972 2892 cmd.exe 47 PID 2892 wrote to memory of 2972 2892 cmd.exe 47 PID 2892 wrote to memory of 2972 2892 cmd.exe 47 PID 2892 wrote to memory of 2972 2892 cmd.exe 47 PID 2776 wrote to memory of 2992 2776 WannaCry.exe 48 PID 2776 wrote to memory of 2992 2776 WannaCry.exe 48 PID 2776 wrote to memory of 2992 2776 WannaCry.exe 48 PID 2776 wrote to memory of 2992 2776 WannaCry.exe 48 PID 2972 wrote to memory of 1388 2972 !WannaDecryptor!.exe 49 PID 2972 wrote to memory of 1388 2972 !WannaDecryptor!.exe 49 PID 2972 wrote to memory of 1388 2972 !WannaDecryptor!.exe 49 PID 2972 wrote to memory of 1388 2972 !WannaDecryptor!.exe 49 PID 1388 wrote to memory of 2284 1388 cmd.exe 51 PID 1388 wrote to memory of 2284 1388 cmd.exe 51 PID 1388 wrote to memory of 2284 1388 cmd.exe 51 PID 1388 wrote to memory of 2284 1388 cmd.exe 51 PID 1388 wrote to memory of 2512 1388 cmd.exe 53 PID 1388 wrote to memory of 2512 1388 cmd.exe 53 PID 1388 wrote to memory of 2512 1388 cmd.exe 53 PID 1388 wrote to memory of 2512 1388 cmd.exe 53 -
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
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SysWOW64\cmd.execmd /c 56111736289610.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2960
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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:2008
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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:848
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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:736
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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:952
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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:1508
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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:2988
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892 -
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:2972 -
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:1388 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:2284
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2512
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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 behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2992
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:844
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
2Credential 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
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
921B
MD5334b68304585cdab85a13bcf5e2559e6
SHA1c95978babeadd665572fd15a8fc313e5a232eb32
SHA25630a0937de3e8fdc470ef6b9bd96e1afbe3566af2ff0fabac757085ba253a34cd
SHA51267901243f57e0700cc2543d53340270b6de838b43013f77de83d292aa592730b9fac1f06b5324f5385c82a3c6451c86e1073af6bfdf86e4018aee9ba6078b43d
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Filesize
136B
MD5b040cf1cc33f01c8ad7972e86d2cdb08
SHA14f2b85926132004a6b51659cf05d14cada901136
SHA2562fc7ba9cda7131c6d71b96d7b348fc32470f1141ceb251d85a563c0cb0e612ef
SHA51250736cf3e5e2f318ca2e7552860f89f1b76869efd78cfb5ee870998a4ce780176d9b00fbd88cc6b354017bee5d3244946ab9c0266cf4561a8c9a9e385c65addd
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Filesize
136B
MD5556472b4aa34dfe09f05090d55a32073
SHA10b28afc3a34361a37d4fd30fa3ea8828f4612ab4
SHA2560dc2d51625eab89b9d292d0ac123856a20b7327c77df7ff15c419ef648d50df6
SHA5129a61af7ed2965bcbbad35aba1d0b75f1807e4298bc08fe3d31111661b7dde36ea3344ae6428b4fea9ac9f5a36b6c0a1178c9109478df695a94a08b4df8c36b16
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Filesize
136B
MD5a8473978ff8b5d2bea93302b47447bf9
SHA199d2a9eb6d97bc79d14b545b5f180275254454b0
SHA2569223de0cde673595aab488562e9bbb2d92cf3c05203a8d0d925a44b7ed2aa954
SHA51228f5532a9a1f4c60d8ab2f2df15015eff096da0e774b2ca22f15cf8d50e9638a759cd7415f418d675e686f9625978d109b985c7e47e71ff82ac8eee172c8ec47
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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
MD5e86651bcca1247487ee8c3e7b0421dc8
SHA1c7a13c792f8b128ea45e8af6e140e877881149ec
SHA2566080b8ff11591956fcac8f60ab190dda26b776c35456bda87196469a7e16d671
SHA5124ff7d7d4208abe2763ae23a1f6ca7274544573db119d504342f5568544a52639d12042d02b153c6704bf13ba6873a07ca042b073a770258bd5e6acc4629b4614
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b