Analysis
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max time kernel
591s -
max time network
529s -
platform
windows11-21h2_x64 -
resource
win11-20241023-en -
resource tags
arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system -
submitted
12-01-2025 05:44
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral3
Sample
WannaCry.exe
Resource
win11-20241023-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\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\~SDBA74.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDBA7B.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2356 !WannaDecryptor!.exe 3992 !WannaDecryptor!.exe 4488 !WannaDecryptor!.exe 3444 !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-1-5-21-4248760313-3670024077-2384670640-1000\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 !WannaDecryptor!.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 cscript.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 !WannaDecryptor!.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 WannaCry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 4 IoCs
pid Process 3148 taskkill.exe 4804 taskkill.exe 880 taskkill.exe 3952 taskkill.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3148 taskkill.exe Token: SeDebugPrivilege 4804 taskkill.exe Token: SeDebugPrivilege 880 taskkill.exe Token: SeDebugPrivilege 3952 taskkill.exe Token: SeIncreaseQuotaPrivilege 2140 WMIC.exe Token: SeSecurityPrivilege 2140 WMIC.exe Token: SeTakeOwnershipPrivilege 2140 WMIC.exe Token: SeLoadDriverPrivilege 2140 WMIC.exe Token: SeSystemProfilePrivilege 2140 WMIC.exe Token: SeSystemtimePrivilege 2140 WMIC.exe Token: SeProfSingleProcessPrivilege 2140 WMIC.exe Token: SeIncBasePriorityPrivilege 2140 WMIC.exe Token: SeCreatePagefilePrivilege 2140 WMIC.exe Token: SeBackupPrivilege 2140 WMIC.exe Token: SeRestorePrivilege 2140 WMIC.exe Token: SeShutdownPrivilege 2140 WMIC.exe Token: SeDebugPrivilege 2140 WMIC.exe Token: SeSystemEnvironmentPrivilege 2140 WMIC.exe Token: SeRemoteShutdownPrivilege 2140 WMIC.exe Token: SeUndockPrivilege 2140 WMIC.exe Token: SeManageVolumePrivilege 2140 WMIC.exe Token: 33 2140 WMIC.exe Token: 34 2140 WMIC.exe Token: 35 2140 WMIC.exe Token: 36 2140 WMIC.exe Token: SeIncreaseQuotaPrivilege 2140 WMIC.exe Token: SeSecurityPrivilege 2140 WMIC.exe Token: SeTakeOwnershipPrivilege 2140 WMIC.exe Token: SeLoadDriverPrivilege 2140 WMIC.exe Token: SeSystemProfilePrivilege 2140 WMIC.exe Token: SeSystemtimePrivilege 2140 WMIC.exe Token: SeProfSingleProcessPrivilege 2140 WMIC.exe Token: SeIncBasePriorityPrivilege 2140 WMIC.exe Token: SeCreatePagefilePrivilege 2140 WMIC.exe Token: SeBackupPrivilege 2140 WMIC.exe Token: SeRestorePrivilege 2140 WMIC.exe Token: SeShutdownPrivilege 2140 WMIC.exe Token: SeDebugPrivilege 2140 WMIC.exe Token: SeSystemEnvironmentPrivilege 2140 WMIC.exe Token: SeRemoteShutdownPrivilege 2140 WMIC.exe Token: SeUndockPrivilege 2140 WMIC.exe Token: SeManageVolumePrivilege 2140 WMIC.exe Token: 33 2140 WMIC.exe Token: 34 2140 WMIC.exe Token: 35 2140 WMIC.exe Token: 36 2140 WMIC.exe Token: SeBackupPrivilege 748 vssvc.exe Token: SeRestorePrivilege 748 vssvc.exe Token: SeAuditPrivilege 748 vssvc.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2356 !WannaDecryptor!.exe 2356 !WannaDecryptor!.exe 3992 !WannaDecryptor!.exe 3992 !WannaDecryptor!.exe 4488 !WannaDecryptor!.exe 4488 !WannaDecryptor!.exe 3444 !WannaDecryptor!.exe 3444 !WannaDecryptor!.exe 4468 OpenWith.exe 520 OpenWith.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1644 wrote to memory of 1588 1644 WannaCry.exe 78 PID 1644 wrote to memory of 1588 1644 WannaCry.exe 78 PID 1644 wrote to memory of 1588 1644 WannaCry.exe 78 PID 1588 wrote to memory of 3660 1588 cmd.exe 80 PID 1588 wrote to memory of 3660 1588 cmd.exe 80 PID 1588 wrote to memory of 3660 1588 cmd.exe 80 PID 1644 wrote to memory of 2356 1644 WannaCry.exe 81 PID 1644 wrote to memory of 2356 1644 WannaCry.exe 81 PID 1644 wrote to memory of 2356 1644 WannaCry.exe 81 PID 1644 wrote to memory of 3952 1644 WannaCry.exe 82 PID 1644 wrote to memory of 3952 1644 WannaCry.exe 82 PID 1644 wrote to memory of 3952 1644 WannaCry.exe 82 PID 1644 wrote to memory of 3148 1644 WannaCry.exe 83 PID 1644 wrote to memory of 3148 1644 WannaCry.exe 83 PID 1644 wrote to memory of 3148 1644 WannaCry.exe 83 PID 1644 wrote to memory of 4804 1644 WannaCry.exe 84 PID 1644 wrote to memory of 4804 1644 WannaCry.exe 84 PID 1644 wrote to memory of 4804 1644 WannaCry.exe 84 PID 1644 wrote to memory of 880 1644 WannaCry.exe 85 PID 1644 wrote to memory of 880 1644 WannaCry.exe 85 PID 1644 wrote to memory of 880 1644 WannaCry.exe 85 PID 1644 wrote to memory of 3992 1644 WannaCry.exe 92 PID 1644 wrote to memory of 3992 1644 WannaCry.exe 92 PID 1644 wrote to memory of 3992 1644 WannaCry.exe 92 PID 1644 wrote to memory of 2524 1644 WannaCry.exe 93 PID 1644 wrote to memory of 2524 1644 WannaCry.exe 93 PID 1644 wrote to memory of 2524 1644 WannaCry.exe 93 PID 2524 wrote to memory of 4488 2524 cmd.exe 95 PID 2524 wrote to memory of 4488 2524 cmd.exe 95 PID 2524 wrote to memory of 4488 2524 cmd.exe 95 PID 1644 wrote to memory of 3444 1644 WannaCry.exe 97 PID 1644 wrote to memory of 3444 1644 WannaCry.exe 97 PID 1644 wrote to memory of 3444 1644 WannaCry.exe 97 PID 4488 wrote to memory of 3672 4488 !WannaDecryptor!.exe 98 PID 4488 wrote to memory of 3672 4488 !WannaDecryptor!.exe 98 PID 4488 wrote to memory of 3672 4488 !WannaDecryptor!.exe 98 PID 3672 wrote to memory of 2140 3672 cmd.exe 100 PID 3672 wrote to memory of 2140 3672 cmd.exe 100 PID 3672 wrote to memory of 2140 3672 cmd.exe 100 -
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:1644 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 38561736660680.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:3660
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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:2356
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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:3952
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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:3148
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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:4804
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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:880
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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:3992
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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:2524 -
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:4488 -
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:3672 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2140
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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:3444
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:748
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4468
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:520
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
MD5fb9e02d316331f9d78f62bfafd334250
SHA1a5f20861137df8e0f847f2d13de5d187e666ea14
SHA256c9be0eda0ce505e1e6ad8a8c67d7ff451432fe8a4c9631071a6a2590b45659a8
SHA512b7be6c350607b847fc5e09fb6b9205f42d50ed3b4e10f04f6f995478714088d71c9d739cbfe1a78770151262c1f0976ea1ebae4f52dc00410c0abae8dd404281
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Filesize
136B
MD5afceb8f70b5f9295dd44e8ed9eba6236
SHA1e5eddd0e91fb927b5198fb4e9483ba2a6859fc6b
SHA25689156b3498f5d1bcf5244a355babb48dd0d53efc8b48fab7d23c157905f1461d
SHA5129dafd7fb6c6226b904c6530099f988e2ac0048865debee629caca9c3b4c16a5f4de8600051726185d66d6f50d39f78fd1c8ca0fab88a627bc370006ac9b0c2dc
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Filesize
136B
MD5045c48736b07597f263bcc2d6fd94368
SHA1180345bf8bcfeafe7b6464e6be8a50614e0d82bb
SHA2567ea8e4b2a841d73c802c8877ea3bc1b01400b077e4038b7fb4c7a5cbe7e959ad
SHA512186d4b08c0b6beca4b8edbc7a64ce26107903f6252514cdc3ae75dec1939e7c94e595620365803eacc736beeb10df659459d17cca4a875d8b92d8f6d4a5b31c9
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Filesize
136B
MD5afe2113f604aa3ec64cbcb89f234df02
SHA126cafd650b16a0ecf347ab6690ffa38460c9b114
SHA256e1e00890818680ccda8873fe7237d93d8911002dfb026a67e60ba15c04c03d22
SHA512239d715efad8154d5d7cab685a7fa446acf8573f7b9eb08ab705dbd254a07563b086aa4511695722b9d5ec96e365ca805d40fd63115cbc6a226a51c7c5c5894f
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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
MD541061db0f5f4fb03652cb0b2ce9651d7
SHA1c5c9c7676452840f9f8ef1e9ceff1c244f5cc94d
SHA2563b868d9b607b8671b5937d02b79a76acabd69e93c7879cef2484b329228134e2
SHA5122872a70e4bcea2f4d8152bc46e2c4ead98e37117458b4f8be4b5603b580c3f239d9ea878380b5d8ed6b95e9c43ad52d725d8b55962b6919a70b728bf3a381362
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5