Analysis
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max time kernel
147s -
max time network
93s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
12-01-2025 03:15
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win11-20241007-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\~SD8F72.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8F89.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 4152 !WannaDecryptor!.exe 1752 !WannaDecryptor!.exe 3988 !WannaDecryptor!.exe 4052 !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-1-5-21-2410826464-2353372766-2364966905-1000\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 cmd.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 cmd.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 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 taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe -
Kills process with taskkill 4 IoCs
pid Process 3116 taskkill.exe 1328 taskkill.exe 2172 taskkill.exe 4568 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4052 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4568 taskkill.exe Token: SeDebugPrivilege 3116 taskkill.exe Token: SeDebugPrivilege 2172 taskkill.exe Token: SeDebugPrivilege 1328 taskkill.exe Token: SeIncreaseQuotaPrivilege 1096 WMIC.exe Token: SeSecurityPrivilege 1096 WMIC.exe Token: SeTakeOwnershipPrivilege 1096 WMIC.exe Token: SeLoadDriverPrivilege 1096 WMIC.exe Token: SeSystemProfilePrivilege 1096 WMIC.exe Token: SeSystemtimePrivilege 1096 WMIC.exe Token: SeProfSingleProcessPrivilege 1096 WMIC.exe Token: SeIncBasePriorityPrivilege 1096 WMIC.exe Token: SeCreatePagefilePrivilege 1096 WMIC.exe Token: SeBackupPrivilege 1096 WMIC.exe Token: SeRestorePrivilege 1096 WMIC.exe Token: SeShutdownPrivilege 1096 WMIC.exe Token: SeDebugPrivilege 1096 WMIC.exe Token: SeSystemEnvironmentPrivilege 1096 WMIC.exe Token: SeRemoteShutdownPrivilege 1096 WMIC.exe Token: SeUndockPrivilege 1096 WMIC.exe Token: SeManageVolumePrivilege 1096 WMIC.exe Token: 33 1096 WMIC.exe Token: 34 1096 WMIC.exe Token: 35 1096 WMIC.exe Token: 36 1096 WMIC.exe Token: SeIncreaseQuotaPrivilege 1096 WMIC.exe Token: SeSecurityPrivilege 1096 WMIC.exe Token: SeTakeOwnershipPrivilege 1096 WMIC.exe Token: SeLoadDriverPrivilege 1096 WMIC.exe Token: SeSystemProfilePrivilege 1096 WMIC.exe Token: SeSystemtimePrivilege 1096 WMIC.exe Token: SeProfSingleProcessPrivilege 1096 WMIC.exe Token: SeIncBasePriorityPrivilege 1096 WMIC.exe Token: SeCreatePagefilePrivilege 1096 WMIC.exe Token: SeBackupPrivilege 1096 WMIC.exe Token: SeRestorePrivilege 1096 WMIC.exe Token: SeShutdownPrivilege 1096 WMIC.exe Token: SeDebugPrivilege 1096 WMIC.exe Token: SeSystemEnvironmentPrivilege 1096 WMIC.exe Token: SeRemoteShutdownPrivilege 1096 WMIC.exe Token: SeUndockPrivilege 1096 WMIC.exe Token: SeManageVolumePrivilege 1096 WMIC.exe Token: 33 1096 WMIC.exe Token: 34 1096 WMIC.exe Token: 35 1096 WMIC.exe Token: 36 1096 WMIC.exe Token: SeBackupPrivilege 4704 vssvc.exe Token: SeRestorePrivilege 4704 vssvc.exe Token: SeAuditPrivilege 4704 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4152 !WannaDecryptor!.exe 4152 !WannaDecryptor!.exe 1752 !WannaDecryptor!.exe 1752 !WannaDecryptor!.exe 3988 !WannaDecryptor!.exe 3988 !WannaDecryptor!.exe 4052 !WannaDecryptor!.exe 4052 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1460 wrote to memory of 1828 1460 WannaCry.exe 78 PID 1460 wrote to memory of 1828 1460 WannaCry.exe 78 PID 1460 wrote to memory of 1828 1460 WannaCry.exe 78 PID 1828 wrote to memory of 1580 1828 cmd.exe 80 PID 1828 wrote to memory of 1580 1828 cmd.exe 80 PID 1828 wrote to memory of 1580 1828 cmd.exe 80 PID 1460 wrote to memory of 4152 1460 WannaCry.exe 81 PID 1460 wrote to memory of 4152 1460 WannaCry.exe 81 PID 1460 wrote to memory of 4152 1460 WannaCry.exe 81 PID 1460 wrote to memory of 1328 1460 WannaCry.exe 82 PID 1460 wrote to memory of 1328 1460 WannaCry.exe 82 PID 1460 wrote to memory of 1328 1460 WannaCry.exe 82 PID 1460 wrote to memory of 2172 1460 WannaCry.exe 83 PID 1460 wrote to memory of 2172 1460 WannaCry.exe 83 PID 1460 wrote to memory of 2172 1460 WannaCry.exe 83 PID 1460 wrote to memory of 4568 1460 WannaCry.exe 84 PID 1460 wrote to memory of 4568 1460 WannaCry.exe 84 PID 1460 wrote to memory of 4568 1460 WannaCry.exe 84 PID 1460 wrote to memory of 3116 1460 WannaCry.exe 85 PID 1460 wrote to memory of 3116 1460 WannaCry.exe 85 PID 1460 wrote to memory of 3116 1460 WannaCry.exe 85 PID 1460 wrote to memory of 1752 1460 WannaCry.exe 96 PID 1460 wrote to memory of 1752 1460 WannaCry.exe 96 PID 1460 wrote to memory of 1752 1460 WannaCry.exe 96 PID 1460 wrote to memory of 4468 1460 WannaCry.exe 97 PID 1460 wrote to memory of 4468 1460 WannaCry.exe 97 PID 1460 wrote to memory of 4468 1460 WannaCry.exe 97 PID 4468 wrote to memory of 3988 4468 cmd.exe 99 PID 4468 wrote to memory of 3988 4468 cmd.exe 99 PID 4468 wrote to memory of 3988 4468 cmd.exe 99 PID 1460 wrote to memory of 4052 1460 WannaCry.exe 101 PID 1460 wrote to memory of 4052 1460 WannaCry.exe 101 PID 1460 wrote to memory of 4052 1460 WannaCry.exe 101 PID 3988 wrote to memory of 2904 3988 !WannaDecryptor!.exe 102 PID 3988 wrote to memory of 2904 3988 !WannaDecryptor!.exe 102 PID 3988 wrote to memory of 2904 3988 !WannaDecryptor!.exe 102 PID 2904 wrote to memory of 1096 2904 cmd.exe 104 PID 2904 wrote to memory of 1096 2904 cmd.exe 104 PID 2904 wrote to memory of 1096 2904 cmd.exe 104 -
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:1460 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 316351736651752.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:1580
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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:4152
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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:1328
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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:2172
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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:4568
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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:3116
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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:1752
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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:4468 -
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:3988 -
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:2904 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1096
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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:4052
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc1⤵PID:4836
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4704
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
MD5802bb89e6d6bc3935d2a507cbe30ff6a
SHA1bee126d1516f72de47464c103a5fe2d0a84684f5
SHA256e2ebaf064c9b7f9fa783ee23166203a37a669cc1f18b71c1767fa5b04a91955a
SHA5126c7b00d7a3d2c6caa1f8748bf08ea481a2acbfb514efa6b2fe755a929e946eb278d34576c30c9d2f31821bed5ce3cc3749ee4f02335be92865c7132e87a20bea
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Filesize
1KB
MD55d5bc6780a185ad729b3c55c6e2b9e4f
SHA126ec5049f558e02179b0feed63d2abf948e72c6e
SHA256f428bdb9ef928cf261cfd92d9d30fbd29b841850a8d659d1c8fa720a6ca7bdc8
SHA5126209c9f2866f11b24cd4cefda5cfe00de2f4af150c873fd9fefdd30df772389fba2ccd8fb8076f3141a4c5053e0785e6943fdd56ebae0b7267de95e332c1ae7f
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Filesize
136B
MD59d19345d81b4a685f234929de7e7e877
SHA1e88f0a9b44c3b3d03d812669713527bb2eaf4422
SHA2569cd006cc6b5165d1a73f5e30450877a078b59f02d09956c4a317e138f6a03668
SHA512a5b71fd294023f8f15ca40361656f1147988fe2b1b95919774e7f42399e3360ed83c0756efaf531cb4233d2d30ef6c4cbc2bf909d56e18076fdd23dee661a984
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Filesize
136B
MD57cc525ab49c859e16f81542e92d9e87e
SHA1647a317da807a44e41a7b219d58bce40cecc699a
SHA256ddfd93e90f48bd2885c82060e1098ae4aa3bba7b582d60df912add1890beec44
SHA51240d19649e4635bdfc10197dc5d16693e2f0e2b973708660d6ada1dd6e08131e1bb2bcc19e6793baaa5a27b0cca9ecfe3dccfd4e0577f0be39c34447ad1eed470
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Filesize
136B
MD59ac9bdf69e9d361d262b7770079fffb3
SHA15580fe07100f031a1e48c9e7dfd586159c24285b
SHA256167f6763e53fe39722a84563d930d8b3ae0a37968890165c8975ad0843117098
SHA51229ebe60645f6aa604401e4a78ef6427a77adc9f6438eb5e9775ed09ad54d289885ae97a25f7b1a8059d67830043554507b49174e07806a70d835bf4bff48dac5
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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
MD51164494e39f86e31b49add31468ebdc9
SHA16de554672c608696318197a7bb8778bfc46d557a
SHA256a65e3335c0286232f0477d568e67387002d225d93a978be4d8d88e6a6117b64e
SHA512b542eaff96e3cbf2e8be9a0a27da80e12ae5400d89ea8fd13114d8b724c2ba2bb8aa599a4740d65fc5110d279e42232d1ed02f4d8a3fb4399715d9e084a8ffa1
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5