Analysis
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max time kernel
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max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2025, 02:41
Static task
static1
Behavioral task
behavioral1
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win10v2004-20250314-en
General
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Target
Ransomware.WannaCrypt0r.v1.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\~SD884E.tmp Ransomware.WannaCrypt0r.v1.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8855.tmp Ransomware.WannaCrypt0r.v1.exe -
Executes dropped EXE 4 IoCs
pid Process 5004 !WannaDecryptor!.exe 1628 !WannaDecryptor!.exe 4636 !WannaDecryptor!.exe 736 !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\\Ransomware.WannaCrypt0r.v1.exe\" /r" Ransomware.WannaCrypt0r.v1.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\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 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 taskkill.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 Ransomware.WannaCrypt0r.v1.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 WMIC.exe -
Kills process with taskkill 4 IoCs
pid Process 2004 taskkill.exe 4332 taskkill.exe 788 taskkill.exe 1960 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 788 taskkill.exe Token: SeDebugPrivilege 2004 taskkill.exe Token: SeDebugPrivilege 4332 taskkill.exe Token: SeDebugPrivilege 1960 taskkill.exe Token: SeIncreaseQuotaPrivilege 1180 WMIC.exe Token: SeSecurityPrivilege 1180 WMIC.exe Token: SeTakeOwnershipPrivilege 1180 WMIC.exe Token: SeLoadDriverPrivilege 1180 WMIC.exe Token: SeSystemProfilePrivilege 1180 WMIC.exe Token: SeSystemtimePrivilege 1180 WMIC.exe Token: SeProfSingleProcessPrivilege 1180 WMIC.exe Token: SeIncBasePriorityPrivilege 1180 WMIC.exe Token: SeCreatePagefilePrivilege 1180 WMIC.exe Token: SeBackupPrivilege 1180 WMIC.exe Token: SeRestorePrivilege 1180 WMIC.exe Token: SeShutdownPrivilege 1180 WMIC.exe Token: SeDebugPrivilege 1180 WMIC.exe Token: SeSystemEnvironmentPrivilege 1180 WMIC.exe Token: SeRemoteShutdownPrivilege 1180 WMIC.exe Token: SeUndockPrivilege 1180 WMIC.exe Token: SeManageVolumePrivilege 1180 WMIC.exe Token: 33 1180 WMIC.exe Token: 34 1180 WMIC.exe Token: 35 1180 WMIC.exe Token: 36 1180 WMIC.exe Token: SeIncreaseQuotaPrivilege 1180 WMIC.exe Token: SeSecurityPrivilege 1180 WMIC.exe Token: SeTakeOwnershipPrivilege 1180 WMIC.exe Token: SeLoadDriverPrivilege 1180 WMIC.exe Token: SeSystemProfilePrivilege 1180 WMIC.exe Token: SeSystemtimePrivilege 1180 WMIC.exe Token: SeProfSingleProcessPrivilege 1180 WMIC.exe Token: SeIncBasePriorityPrivilege 1180 WMIC.exe Token: SeCreatePagefilePrivilege 1180 WMIC.exe Token: SeBackupPrivilege 1180 WMIC.exe Token: SeRestorePrivilege 1180 WMIC.exe Token: SeShutdownPrivilege 1180 WMIC.exe Token: SeDebugPrivilege 1180 WMIC.exe Token: SeSystemEnvironmentPrivilege 1180 WMIC.exe Token: SeRemoteShutdownPrivilege 1180 WMIC.exe Token: SeUndockPrivilege 1180 WMIC.exe Token: SeManageVolumePrivilege 1180 WMIC.exe Token: 33 1180 WMIC.exe Token: 34 1180 WMIC.exe Token: 35 1180 WMIC.exe Token: 36 1180 WMIC.exe Token: SeBackupPrivilege 4856 vssvc.exe Token: SeRestorePrivilege 4856 vssvc.exe Token: SeAuditPrivilege 4856 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 5004 !WannaDecryptor!.exe 5004 !WannaDecryptor!.exe 1628 !WannaDecryptor!.exe 1628 !WannaDecryptor!.exe 4636 !WannaDecryptor!.exe 4636 !WannaDecryptor!.exe 736 !WannaDecryptor!.exe 736 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4520 wrote to memory of 1644 4520 Ransomware.WannaCrypt0r.v1.exe 87 PID 4520 wrote to memory of 1644 4520 Ransomware.WannaCrypt0r.v1.exe 87 PID 4520 wrote to memory of 1644 4520 Ransomware.WannaCrypt0r.v1.exe 87 PID 1644 wrote to memory of 1656 1644 cmd.exe 89 PID 1644 wrote to memory of 1656 1644 cmd.exe 89 PID 1644 wrote to memory of 1656 1644 cmd.exe 89 PID 4520 wrote to memory of 5004 4520 Ransomware.WannaCrypt0r.v1.exe 94 PID 4520 wrote to memory of 5004 4520 Ransomware.WannaCrypt0r.v1.exe 94 PID 4520 wrote to memory of 5004 4520 Ransomware.WannaCrypt0r.v1.exe 94 PID 4520 wrote to memory of 1960 4520 Ransomware.WannaCrypt0r.v1.exe 95 PID 4520 wrote to memory of 1960 4520 Ransomware.WannaCrypt0r.v1.exe 95 PID 4520 wrote to memory of 1960 4520 Ransomware.WannaCrypt0r.v1.exe 95 PID 4520 wrote to memory of 2004 4520 Ransomware.WannaCrypt0r.v1.exe 96 PID 4520 wrote to memory of 2004 4520 Ransomware.WannaCrypt0r.v1.exe 96 PID 4520 wrote to memory of 2004 4520 Ransomware.WannaCrypt0r.v1.exe 96 PID 4520 wrote to memory of 788 4520 Ransomware.WannaCrypt0r.v1.exe 97 PID 4520 wrote to memory of 788 4520 Ransomware.WannaCrypt0r.v1.exe 97 PID 4520 wrote to memory of 788 4520 Ransomware.WannaCrypt0r.v1.exe 97 PID 4520 wrote to memory of 4332 4520 Ransomware.WannaCrypt0r.v1.exe 98 PID 4520 wrote to memory of 4332 4520 Ransomware.WannaCrypt0r.v1.exe 98 PID 4520 wrote to memory of 4332 4520 Ransomware.WannaCrypt0r.v1.exe 98 PID 4520 wrote to memory of 1628 4520 Ransomware.WannaCrypt0r.v1.exe 109 PID 4520 wrote to memory of 1628 4520 Ransomware.WannaCrypt0r.v1.exe 109 PID 4520 wrote to memory of 1628 4520 Ransomware.WannaCrypt0r.v1.exe 109 PID 4520 wrote to memory of 2088 4520 Ransomware.WannaCrypt0r.v1.exe 110 PID 4520 wrote to memory of 2088 4520 Ransomware.WannaCrypt0r.v1.exe 110 PID 4520 wrote to memory of 2088 4520 Ransomware.WannaCrypt0r.v1.exe 110 PID 4520 wrote to memory of 4636 4520 Ransomware.WannaCrypt0r.v1.exe 112 PID 4520 wrote to memory of 4636 4520 Ransomware.WannaCrypt0r.v1.exe 112 PID 4520 wrote to memory of 4636 4520 Ransomware.WannaCrypt0r.v1.exe 112 PID 2088 wrote to memory of 736 2088 cmd.exe 113 PID 2088 wrote to memory of 736 2088 cmd.exe 113 PID 2088 wrote to memory of 736 2088 cmd.exe 113 PID 736 wrote to memory of 336 736 !WannaDecryptor!.exe 116 PID 736 wrote to memory of 336 736 !WannaDecryptor!.exe 116 PID 736 wrote to memory of 336 736 !WannaDecryptor!.exe 116 PID 336 wrote to memory of 1180 336 cmd.exe 118 PID 336 wrote to memory of 1180 336 cmd.exe 118 PID 336 wrote to memory of 1180 336 cmd.exe 118 -
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\Ransomware.WannaCrypt0r.v1.exe"C:\Users\Admin\AppData\Local\Temp\Ransomware.WannaCrypt0r.v1.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 241831742956879.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:1656
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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:5004
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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:1960
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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:2004
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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:788
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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:4332
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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:1628
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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:2088 -
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:736 -
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:336 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1180
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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 SetWindowsHookEx
PID:4636
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4856
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
MD50caafa0a92f08d21319b9972fc46ed4c
SHA165c3af640da9997abe57a951b280aaac527e18c7
SHA2564288b09d0227361914f2aeb886c4910b2ee69b0cb7e32d8c415e6d4a75d22605
SHA5122cc8f955e3220e6ad6ee52fea97ba011973aa6f7ea3828abf35bfc24f2761c8302105c3f857548996b76843368a58e337e7525d54a0b21661840c7843c75a71a
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Filesize
136B
MD5a16b5b6597cc2d825d33a611ba27c1b9
SHA11a0e79f2238f2a2f6ca7011c7baf455057184709
SHA25644fb324fa3d80f7849b7bc07fbe35d2e1e3567cc0d4638ada70f1d6c33ac15ab
SHA51233556ed8ad478d9fce37568457375e97ecec196d70a2d89e64808b708c492c7ab77900a994fa6c73adf1235b1998cdf19741e3e0412c899c6da9652d87f90c73
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Filesize
136B
MD55524439c06c846779e5cb29cd88d4f18
SHA1399914aa59fd4316deec0e47a9beeab198bc8abc
SHA25675e8f792953500cc7519b868b828222fdb66d71a125f04dc3f49abdcc91e4819
SHA51229d69c1a937f25f015571462ec9d333f3f958651e73b35af38f668dea9b85a156b50a42ccc2d15cec3f5ce896ac5aa65ed10acc76032ca61a2541140a1a180f1
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Filesize
136B
MD5d9ba7ceae017ba0de60325db72bffe7d
SHA144beab17a857564e1d470df194e256372f35f020
SHA2568001980ff717c4ef3a6d9d1425ac84c553da0f0277cc6d636a0a3bcb30a2e188
SHA512eafeb03e6eeda6580ee376cd09f950d8c03f3fc81c5858408fcc3890805267f97bff654e93abd16e6324ab69a0fb3c90c4ac43321d8cf467a38e569347b931df
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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
MD5f99c1a7c40953d794ebf53dae7607f26
SHA109414c6e6c8323cfcd2a5730c10526f0642c7e49
SHA256552ffc764b5c769037c1fc8d401f7da53904d63b6b9f02eb92bbdf593c4aa369
SHA512dfa96aae0ce242b5965f0572496e31a2cfd8cd76a60fc69e0d4732945cad63ce5a5f209a8c6fa34e3e37fc9700226d9493cd0916562a2d009ce09f35cc1188f9
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5