Analysis
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max time kernel
148s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
20-10-2024 18:51
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20241007-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\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\Word\STARTUP\~SD9EBC.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD9EB8.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2732 !WannaDecryptor!.exe 2528 !WannaDecryptor!.exe 2456 !WannaDecryptor!.exe 2320 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2788 cscript.exe 2536 WannaCry.exe 2536 WannaCry.exe 2536 WannaCry.exe 2536 WannaCry.exe 1596 cmd.exe 1596 cmd.exe 2536 WannaCry.exe 2536 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-1-5-21-1506706701-1246725540-2219210854-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\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 cmd.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 vssadmin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WannaCry.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 taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.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 cmd.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2188 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 1116 taskkill.exe 3064 taskkill.exe 1828 taskkill.exe 2592 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2320 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 1828 taskkill.exe Token: SeDebugPrivilege 1116 taskkill.exe Token: SeDebugPrivilege 3064 taskkill.exe Token: SeDebugPrivilege 2592 taskkill.exe Token: SeBackupPrivilege 1720 vssvc.exe Token: SeRestorePrivilege 1720 vssvc.exe Token: SeAuditPrivilege 1720 vssvc.exe Token: SeIncreaseQuotaPrivilege 2008 WMIC.exe Token: SeSecurityPrivilege 2008 WMIC.exe Token: SeTakeOwnershipPrivilege 2008 WMIC.exe Token: SeLoadDriverPrivilege 2008 WMIC.exe Token: SeSystemProfilePrivilege 2008 WMIC.exe Token: SeSystemtimePrivilege 2008 WMIC.exe Token: SeProfSingleProcessPrivilege 2008 WMIC.exe Token: SeIncBasePriorityPrivilege 2008 WMIC.exe Token: SeCreatePagefilePrivilege 2008 WMIC.exe Token: SeBackupPrivilege 2008 WMIC.exe Token: SeRestorePrivilege 2008 WMIC.exe Token: SeShutdownPrivilege 2008 WMIC.exe Token: SeDebugPrivilege 2008 WMIC.exe Token: SeSystemEnvironmentPrivilege 2008 WMIC.exe Token: SeRemoteShutdownPrivilege 2008 WMIC.exe Token: SeUndockPrivilege 2008 WMIC.exe Token: SeManageVolumePrivilege 2008 WMIC.exe Token: 33 2008 WMIC.exe Token: 34 2008 WMIC.exe Token: 35 2008 WMIC.exe Token: SeIncreaseQuotaPrivilege 2008 WMIC.exe Token: SeSecurityPrivilege 2008 WMIC.exe Token: SeTakeOwnershipPrivilege 2008 WMIC.exe Token: SeLoadDriverPrivilege 2008 WMIC.exe Token: SeSystemProfilePrivilege 2008 WMIC.exe Token: SeSystemtimePrivilege 2008 WMIC.exe Token: SeProfSingleProcessPrivilege 2008 WMIC.exe Token: SeIncBasePriorityPrivilege 2008 WMIC.exe Token: SeCreatePagefilePrivilege 2008 WMIC.exe Token: SeBackupPrivilege 2008 WMIC.exe Token: SeRestorePrivilege 2008 WMIC.exe Token: SeShutdownPrivilege 2008 WMIC.exe Token: SeDebugPrivilege 2008 WMIC.exe Token: SeSystemEnvironmentPrivilege 2008 WMIC.exe Token: SeRemoteShutdownPrivilege 2008 WMIC.exe Token: SeUndockPrivilege 2008 WMIC.exe Token: SeManageVolumePrivilege 2008 WMIC.exe Token: 33 2008 WMIC.exe Token: 34 2008 WMIC.exe Token: 35 2008 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2732 !WannaDecryptor!.exe 2732 !WannaDecryptor!.exe 2528 !WannaDecryptor!.exe 2528 !WannaDecryptor!.exe 2456 !WannaDecryptor!.exe 2456 !WannaDecryptor!.exe 2320 !WannaDecryptor!.exe 2320 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2536 wrote to memory of 2024 2536 WannaCry.exe 30 PID 2536 wrote to memory of 2024 2536 WannaCry.exe 30 PID 2536 wrote to memory of 2024 2536 WannaCry.exe 30 PID 2536 wrote to memory of 2024 2536 WannaCry.exe 30 PID 2024 wrote to memory of 2788 2024 cmd.exe 32 PID 2024 wrote to memory of 2788 2024 cmd.exe 32 PID 2024 wrote to memory of 2788 2024 cmd.exe 32 PID 2024 wrote to memory of 2788 2024 cmd.exe 32 PID 2536 wrote to memory of 2732 2536 WannaCry.exe 33 PID 2536 wrote to memory of 2732 2536 WannaCry.exe 33 PID 2536 wrote to memory of 2732 2536 WannaCry.exe 33 PID 2536 wrote to memory of 2732 2536 WannaCry.exe 33 PID 2536 wrote to memory of 1116 2536 WannaCry.exe 34 PID 2536 wrote to memory of 1116 2536 WannaCry.exe 34 PID 2536 wrote to memory of 1116 2536 WannaCry.exe 34 PID 2536 wrote to memory of 1116 2536 WannaCry.exe 34 PID 2536 wrote to memory of 3064 2536 WannaCry.exe 35 PID 2536 wrote to memory of 3064 2536 WannaCry.exe 35 PID 2536 wrote to memory of 3064 2536 WannaCry.exe 35 PID 2536 wrote to memory of 3064 2536 WannaCry.exe 35 PID 2536 wrote to memory of 1828 2536 WannaCry.exe 36 PID 2536 wrote to memory of 1828 2536 WannaCry.exe 36 PID 2536 wrote to memory of 1828 2536 WannaCry.exe 36 PID 2536 wrote to memory of 1828 2536 WannaCry.exe 36 PID 2536 wrote to memory of 2592 2536 WannaCry.exe 38 PID 2536 wrote to memory of 2592 2536 WannaCry.exe 38 PID 2536 wrote to memory of 2592 2536 WannaCry.exe 38 PID 2536 wrote to memory of 2592 2536 WannaCry.exe 38 PID 2536 wrote to memory of 2528 2536 WannaCry.exe 44 PID 2536 wrote to memory of 2528 2536 WannaCry.exe 44 PID 2536 wrote to memory of 2528 2536 WannaCry.exe 44 PID 2536 wrote to memory of 2528 2536 WannaCry.exe 44 PID 2536 wrote to memory of 1596 2536 WannaCry.exe 45 PID 2536 wrote to memory of 1596 2536 WannaCry.exe 45 PID 2536 wrote to memory of 1596 2536 WannaCry.exe 45 PID 2536 wrote to memory of 1596 2536 WannaCry.exe 45 PID 1596 wrote to memory of 2456 1596 cmd.exe 47 PID 1596 wrote to memory of 2456 1596 cmd.exe 47 PID 1596 wrote to memory of 2456 1596 cmd.exe 47 PID 1596 wrote to memory of 2456 1596 cmd.exe 47 PID 2536 wrote to memory of 2320 2536 WannaCry.exe 48 PID 2536 wrote to memory of 2320 2536 WannaCry.exe 48 PID 2536 wrote to memory of 2320 2536 WannaCry.exe 48 PID 2536 wrote to memory of 2320 2536 WannaCry.exe 48 PID 2456 wrote to memory of 1572 2456 !WannaDecryptor!.exe 49 PID 2456 wrote to memory of 1572 2456 !WannaDecryptor!.exe 49 PID 2456 wrote to memory of 1572 2456 !WannaDecryptor!.exe 49 PID 2456 wrote to memory of 1572 2456 !WannaDecryptor!.exe 49 PID 1572 wrote to memory of 2188 1572 cmd.exe 51 PID 1572 wrote to memory of 2188 1572 cmd.exe 51 PID 1572 wrote to memory of 2188 1572 cmd.exe 51 PID 1572 wrote to memory of 2188 1572 cmd.exe 51 PID 1572 wrote to memory of 2008 1572 cmd.exe 53 PID 1572 wrote to memory of 2008 1572 cmd.exe 53 PID 1572 wrote to memory of 2008 1572 cmd.exe 53 PID 1572 wrote to memory of 2008 1572 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:2536 -
C:\Windows\SysWOW64\cmd.execmd /c 52991729450291.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2788
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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:2732
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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:1116
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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:3064
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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:1828
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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:2592
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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:2528
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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:1596 -
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:2456 -
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:1572 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:2188
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2008
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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:2320
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1720
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
925B
MD55ebce350eebc27b7f66df58cff9022be
SHA1f6e966b3bf8336a37711d928c5adc12f6947d1ad
SHA25630fe1a4c76e35e4372de64d5c80e91260344a3e346af5be4052043e39eb2b9a0
SHA5124a0e8d82f1621e6c42535eafc775424f9261835be0203d30cdd1ee2b512872a26293ce1b2405e97ef8cfe17881838268b8131d8ed93caa2a0628ef0eebee05e0
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Filesize
136B
MD5fda1926db3f14ebe0c31cccfa9fd56c4
SHA1ae68060b82655d851f2a683b592befd08d5ee977
SHA256632ea21939f74e64319b989727e6d0076e7257f8b6750b844519d6edc10b682f
SHA5124ba141b5c35317c7a777c95196d1a4b4b6ba263f4eacb008d6297af7c9490f241b8fb0880ce12d3e0067ecf5d0622cf7d690ef6dbe6c02cbc87ffc570e703776
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Filesize
136B
MD5545804cad1f07b78d021f5b74b00bdf7
SHA12ae3b983fd99239aeaf5a4ca105943c00d4313a3
SHA2568ddefe0c8862a450c0e5d460592cba9b050e68c63bb3626162a120acfdc5cf98
SHA512dbbfa5a755a4e34b355e7d79ac0c9d9110ff0598e9ea5c5817cf299fddda5a115d0ed9f43c8781e98871daeeadb4c61aa203c962aa59efe4fc38add109cc9fe5
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Filesize
136B
MD565d2dcc4c682f61d64dafa0fbb76a51e
SHA11567a1cb7c224c6bf7877bdc168531871d59bcca
SHA256207163788265c1845b24f25c3b4ea5b6d45844286f74cf145a9c80021134c560
SHA5121fcd624140534afc567b595f08f8362cab7d2c5d5c4c0af721d73ddef62952b41639aec3ec3d9fa040ec245760ee403e6a71a8fdb443563578e1372d98902ed3
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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
MD578813e5d87f300668a58d1f827631e0c
SHA1561d78058a14671248ac90491cdf3e8849cfd802
SHA2562360ed055893c6653275e4023982203dbf3c332c359f8161f079af7c4698bde0
SHA5123db146e0d6c6f1301cc6a4615a0072cd612d23f4a8385a3820df9fec150933ba8286b7130b8640ade70a6287a07cf2ee4928bbd808a0e555be73141c70134e82
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b