Resubmissions
06-08-2024 18:54
240806-xkfalsxckp 1006-08-2024 15:17
240806-spgxsawekf 1006-08-2024 15:16
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240806-b88feazcka 10Analysis
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max time kernel
1794s -
max time network
1801s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2024 15:16
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20240802-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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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\~SD6788.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD678F.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2984 !WannaDecryptor!.exe 4364 !WannaDecryptor!.exe 1756 !WannaDecryptor!.exe 4596 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 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-1-5-21-2170637797-568393320-3232933035-1000\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 !WannaDecryptor!.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 cmd.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 WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.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 taskkill.exe -
Kills process with taskkill 4 IoCs
pid Process 4592 taskkill.exe 4336 taskkill.exe 4344 taskkill.exe 4496 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4336 taskkill.exe Token: SeDebugPrivilege 4496 taskkill.exe Token: SeDebugPrivilege 4592 taskkill.exe Token: SeDebugPrivilege 4344 taskkill.exe Token: SeIncreaseQuotaPrivilege 2684 WMIC.exe Token: SeSecurityPrivilege 2684 WMIC.exe Token: SeTakeOwnershipPrivilege 2684 WMIC.exe Token: SeLoadDriverPrivilege 2684 WMIC.exe Token: SeSystemProfilePrivilege 2684 WMIC.exe Token: SeSystemtimePrivilege 2684 WMIC.exe Token: SeProfSingleProcessPrivilege 2684 WMIC.exe Token: SeIncBasePriorityPrivilege 2684 WMIC.exe Token: SeCreatePagefilePrivilege 2684 WMIC.exe Token: SeBackupPrivilege 2684 WMIC.exe Token: SeRestorePrivilege 2684 WMIC.exe Token: SeShutdownPrivilege 2684 WMIC.exe Token: SeDebugPrivilege 2684 WMIC.exe Token: SeSystemEnvironmentPrivilege 2684 WMIC.exe Token: SeRemoteShutdownPrivilege 2684 WMIC.exe Token: SeUndockPrivilege 2684 WMIC.exe Token: SeManageVolumePrivilege 2684 WMIC.exe Token: 33 2684 WMIC.exe Token: 34 2684 WMIC.exe Token: 35 2684 WMIC.exe Token: 36 2684 WMIC.exe Token: SeIncreaseQuotaPrivilege 2684 WMIC.exe Token: SeSecurityPrivilege 2684 WMIC.exe Token: SeTakeOwnershipPrivilege 2684 WMIC.exe Token: SeLoadDriverPrivilege 2684 WMIC.exe Token: SeSystemProfilePrivilege 2684 WMIC.exe Token: SeSystemtimePrivilege 2684 WMIC.exe Token: SeProfSingleProcessPrivilege 2684 WMIC.exe Token: SeIncBasePriorityPrivilege 2684 WMIC.exe Token: SeCreatePagefilePrivilege 2684 WMIC.exe Token: SeBackupPrivilege 2684 WMIC.exe Token: SeRestorePrivilege 2684 WMIC.exe Token: SeShutdownPrivilege 2684 WMIC.exe Token: SeDebugPrivilege 2684 WMIC.exe Token: SeSystemEnvironmentPrivilege 2684 WMIC.exe Token: SeRemoteShutdownPrivilege 2684 WMIC.exe Token: SeUndockPrivilege 2684 WMIC.exe Token: SeManageVolumePrivilege 2684 WMIC.exe Token: 33 2684 WMIC.exe Token: 34 2684 WMIC.exe Token: 35 2684 WMIC.exe Token: 36 2684 WMIC.exe Token: SeBackupPrivilege 1760 vssvc.exe Token: SeRestorePrivilege 1760 vssvc.exe Token: SeAuditPrivilege 1760 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2984 !WannaDecryptor!.exe 2984 !WannaDecryptor!.exe 4364 !WannaDecryptor!.exe 4364 !WannaDecryptor!.exe 1756 !WannaDecryptor!.exe 1756 !WannaDecryptor!.exe 4596 !WannaDecryptor!.exe 4596 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2056 wrote to memory of 4992 2056 WannaCry.exe 90 PID 2056 wrote to memory of 4992 2056 WannaCry.exe 90 PID 2056 wrote to memory of 4992 2056 WannaCry.exe 90 PID 4992 wrote to memory of 1084 4992 cmd.exe 92 PID 4992 wrote to memory of 1084 4992 cmd.exe 92 PID 4992 wrote to memory of 1084 4992 cmd.exe 92 PID 2056 wrote to memory of 2984 2056 WannaCry.exe 96 PID 2056 wrote to memory of 2984 2056 WannaCry.exe 96 PID 2056 wrote to memory of 2984 2056 WannaCry.exe 96 PID 2056 wrote to memory of 4592 2056 WannaCry.exe 98 PID 2056 wrote to memory of 4592 2056 WannaCry.exe 98 PID 2056 wrote to memory of 4592 2056 WannaCry.exe 98 PID 2056 wrote to memory of 4336 2056 WannaCry.exe 99 PID 2056 wrote to memory of 4336 2056 WannaCry.exe 99 PID 2056 wrote to memory of 4336 2056 WannaCry.exe 99 PID 2056 wrote to memory of 4344 2056 WannaCry.exe 100 PID 2056 wrote to memory of 4344 2056 WannaCry.exe 100 PID 2056 wrote to memory of 4344 2056 WannaCry.exe 100 PID 2056 wrote to memory of 4496 2056 WannaCry.exe 101 PID 2056 wrote to memory of 4496 2056 WannaCry.exe 101 PID 2056 wrote to memory of 4496 2056 WannaCry.exe 101 PID 2056 wrote to memory of 4364 2056 WannaCry.exe 108 PID 2056 wrote to memory of 4364 2056 WannaCry.exe 108 PID 2056 wrote to memory of 4364 2056 WannaCry.exe 108 PID 2056 wrote to memory of 2612 2056 WannaCry.exe 109 PID 2056 wrote to memory of 2612 2056 WannaCry.exe 109 PID 2056 wrote to memory of 2612 2056 WannaCry.exe 109 PID 2612 wrote to memory of 1756 2612 cmd.exe 111 PID 2612 wrote to memory of 1756 2612 cmd.exe 111 PID 2612 wrote to memory of 1756 2612 cmd.exe 111 PID 2056 wrote to memory of 4596 2056 WannaCry.exe 113 PID 2056 wrote to memory of 4596 2056 WannaCry.exe 113 PID 2056 wrote to memory of 4596 2056 WannaCry.exe 113 PID 1756 wrote to memory of 2464 1756 !WannaDecryptor!.exe 114 PID 1756 wrote to memory of 2464 1756 !WannaDecryptor!.exe 114 PID 1756 wrote to memory of 2464 1756 !WannaDecryptor!.exe 114 PID 2464 wrote to memory of 2684 2464 cmd.exe 116 PID 2464 wrote to memory of 2684 2464 cmd.exe 116 PID 2464 wrote to memory of 2684 2464 cmd.exe 116 -
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:2056 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 153461722964350.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:1084
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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:2984
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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:4592
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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:4336
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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:4344
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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:4496
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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:4364
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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:2612 -
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:1756 -
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:2464 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2684
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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:4596
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4308,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=3964 /prefetch:81⤵PID:752
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1760
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=760,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=3856 /prefetch:81⤵PID:1224
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD59f08bfa20db92d93d08bc1d34c45b21f
SHA14477d2112531dd958e102f4a2b8e986c42dc23c0
SHA2565749916d4ecc691edb3ca5886ebf9689aa59ff0662c6358da57b3943935cc2b4
SHA51255cae66619efce1317eed2ca466a906948d0b0edfddd14ba40e75d6a4763d286127eeece454d1c2199de08da959c7b3b8b9eca7d01edefbf5045883bc2063e23
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Filesize
136B
MD525c029fd21234dbc7214150d67535fdd
SHA10b3dfd3ce8a248078b4380b1d17020f88cea3542
SHA25647ea5bddd48364e281d4e121bfffcdee33433ba3e245ea15a02b4262b934db8b
SHA512cffb46e8175dbd8e2dc454eaf9e496c2e548db61af5735db987afa71124ed00e948ea3a2d0e9f4156c0a3238d1538df715ff8ccbb3784f9f96559e07908f692c
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Filesize
136B
MD5eab8c24517cc98ad6484738c02602c2f
SHA1db207ccf3d922b9c5a817a584e2ff94e87ffe9d3
SHA256d977d1a93a59652c54bb67c169d3b36ea0b8eec381ced8589a882687328ec375
SHA5120782d92e5b3ba23c5811d2d9de94465a945bc11421357a26c6b9717022dc9c1404a1c5a5dbd5380095010546e9286be4904e154e14ac633bf06e7646f99871cc
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Filesize
136B
MD5710f7857e1dc202e989d475dbca745cf
SHA16f9434dddac8ba7a037ab841a23adc6a39c70f2c
SHA256113c9397943b791a1c271a6cf3cd0330ae1062313bbc0acc5b7daa597d3724c3
SHA5120efba088b670859e94a9848918a078d97c9d78dd7b26aad1df1178b9bcc2a2e9e5bd0bfdd231b477e945aa9691dfc2e96f88376f5ac83df98879c8d7e5c9f486
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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
MD598f8a1e70645a8de4e04d6e662d549d9
SHA192b469cb259e1b5b64995a456493ff7f0ff5d471
SHA2560dbb10273a0a47bebba7b2896d5d0ee00d440c4cb07ca23dcbd904d27caacebe
SHA5128a49859c55f4d1b0ce6b35a5c265c91d3291e9b371da6f58b3bb4530f7308b93d37dd7ae67e5016730e04219415d772c3a3530271f016b081baafce23ef53116
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b