Analysis
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max time kernel
324s -
max time network
317s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
14-09-2024 01:56
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\~SD20E.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD212.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2552 !WannaDecryptor!.exe 2500 !WannaDecryptor!.exe 1432 !WannaDecryptor!.exe 1612 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2220 cscript.exe 2188 WannaCry.exe 2188 WannaCry.exe 2188 WannaCry.exe 2188 WannaCry.exe 756 cmd.exe 756 cmd.exe 2188 WannaCry.exe 2188 WannaCry.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 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\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 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 !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.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 cmd.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 !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vssadmin.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1968 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 1252 taskkill.exe 1236 taskkill.exe 1536 taskkill.exe 1612 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1612 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 1612 taskkill.exe Token: SeDebugPrivilege 1536 taskkill.exe Token: SeDebugPrivilege 1252 taskkill.exe Token: SeDebugPrivilege 1236 taskkill.exe Token: SeBackupPrivilege 1776 vssvc.exe Token: SeRestorePrivilege 1776 vssvc.exe Token: SeAuditPrivilege 1776 vssvc.exe Token: SeIncreaseQuotaPrivilege 2416 WMIC.exe Token: SeSecurityPrivilege 2416 WMIC.exe Token: SeTakeOwnershipPrivilege 2416 WMIC.exe Token: SeLoadDriverPrivilege 2416 WMIC.exe Token: SeSystemProfilePrivilege 2416 WMIC.exe Token: SeSystemtimePrivilege 2416 WMIC.exe Token: SeProfSingleProcessPrivilege 2416 WMIC.exe Token: SeIncBasePriorityPrivilege 2416 WMIC.exe Token: SeCreatePagefilePrivilege 2416 WMIC.exe Token: SeBackupPrivilege 2416 WMIC.exe Token: SeRestorePrivilege 2416 WMIC.exe Token: SeShutdownPrivilege 2416 WMIC.exe Token: SeDebugPrivilege 2416 WMIC.exe Token: SeSystemEnvironmentPrivilege 2416 WMIC.exe Token: SeRemoteShutdownPrivilege 2416 WMIC.exe Token: SeUndockPrivilege 2416 WMIC.exe Token: SeManageVolumePrivilege 2416 WMIC.exe Token: 33 2416 WMIC.exe Token: 34 2416 WMIC.exe Token: 35 2416 WMIC.exe Token: SeIncreaseQuotaPrivilege 2416 WMIC.exe Token: SeSecurityPrivilege 2416 WMIC.exe Token: SeTakeOwnershipPrivilege 2416 WMIC.exe Token: SeLoadDriverPrivilege 2416 WMIC.exe Token: SeSystemProfilePrivilege 2416 WMIC.exe Token: SeSystemtimePrivilege 2416 WMIC.exe Token: SeProfSingleProcessPrivilege 2416 WMIC.exe Token: SeIncBasePriorityPrivilege 2416 WMIC.exe Token: SeCreatePagefilePrivilege 2416 WMIC.exe Token: SeBackupPrivilege 2416 WMIC.exe Token: SeRestorePrivilege 2416 WMIC.exe Token: SeShutdownPrivilege 2416 WMIC.exe Token: SeDebugPrivilege 2416 WMIC.exe Token: SeSystemEnvironmentPrivilege 2416 WMIC.exe Token: SeRemoteShutdownPrivilege 2416 WMIC.exe Token: SeUndockPrivilege 2416 WMIC.exe Token: SeManageVolumePrivilege 2416 WMIC.exe Token: 33 2416 WMIC.exe Token: 34 2416 WMIC.exe Token: 35 2416 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2552 !WannaDecryptor!.exe 2552 !WannaDecryptor!.exe 2500 !WannaDecryptor!.exe 2500 !WannaDecryptor!.exe 1432 !WannaDecryptor!.exe 1432 !WannaDecryptor!.exe 1612 !WannaDecryptor!.exe 1612 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2188 wrote to memory of 2660 2188 WannaCry.exe 30 PID 2188 wrote to memory of 2660 2188 WannaCry.exe 30 PID 2188 wrote to memory of 2660 2188 WannaCry.exe 30 PID 2188 wrote to memory of 2660 2188 WannaCry.exe 30 PID 2660 wrote to memory of 2220 2660 cmd.exe 32 PID 2660 wrote to memory of 2220 2660 cmd.exe 32 PID 2660 wrote to memory of 2220 2660 cmd.exe 32 PID 2660 wrote to memory of 2220 2660 cmd.exe 32 PID 2188 wrote to memory of 2552 2188 WannaCry.exe 33 PID 2188 wrote to memory of 2552 2188 WannaCry.exe 33 PID 2188 wrote to memory of 2552 2188 WannaCry.exe 33 PID 2188 wrote to memory of 2552 2188 WannaCry.exe 33 PID 2188 wrote to memory of 1252 2188 WannaCry.exe 34 PID 2188 wrote to memory of 1252 2188 WannaCry.exe 34 PID 2188 wrote to memory of 1252 2188 WannaCry.exe 34 PID 2188 wrote to memory of 1252 2188 WannaCry.exe 34 PID 2188 wrote to memory of 1236 2188 WannaCry.exe 35 PID 2188 wrote to memory of 1236 2188 WannaCry.exe 35 PID 2188 wrote to memory of 1236 2188 WannaCry.exe 35 PID 2188 wrote to memory of 1236 2188 WannaCry.exe 35 PID 2188 wrote to memory of 1536 2188 WannaCry.exe 37 PID 2188 wrote to memory of 1536 2188 WannaCry.exe 37 PID 2188 wrote to memory of 1536 2188 WannaCry.exe 37 PID 2188 wrote to memory of 1536 2188 WannaCry.exe 37 PID 2188 wrote to memory of 1612 2188 WannaCry.exe 38 PID 2188 wrote to memory of 1612 2188 WannaCry.exe 38 PID 2188 wrote to memory of 1612 2188 WannaCry.exe 38 PID 2188 wrote to memory of 1612 2188 WannaCry.exe 38 PID 2188 wrote to memory of 2500 2188 WannaCry.exe 44 PID 2188 wrote to memory of 2500 2188 WannaCry.exe 44 PID 2188 wrote to memory of 2500 2188 WannaCry.exe 44 PID 2188 wrote to memory of 2500 2188 WannaCry.exe 44 PID 2188 wrote to memory of 756 2188 WannaCry.exe 45 PID 2188 wrote to memory of 756 2188 WannaCry.exe 45 PID 2188 wrote to memory of 756 2188 WannaCry.exe 45 PID 2188 wrote to memory of 756 2188 WannaCry.exe 45 PID 756 wrote to memory of 1432 756 cmd.exe 47 PID 756 wrote to memory of 1432 756 cmd.exe 47 PID 756 wrote to memory of 1432 756 cmd.exe 47 PID 756 wrote to memory of 1432 756 cmd.exe 47 PID 2188 wrote to memory of 1612 2188 WannaCry.exe 48 PID 2188 wrote to memory of 1612 2188 WannaCry.exe 48 PID 2188 wrote to memory of 1612 2188 WannaCry.exe 48 PID 2188 wrote to memory of 1612 2188 WannaCry.exe 48 PID 1432 wrote to memory of 2480 1432 !WannaDecryptor!.exe 49 PID 1432 wrote to memory of 2480 1432 !WannaDecryptor!.exe 49 PID 1432 wrote to memory of 2480 1432 !WannaDecryptor!.exe 49 PID 1432 wrote to memory of 2480 1432 !WannaDecryptor!.exe 49 PID 2480 wrote to memory of 1968 2480 cmd.exe 51 PID 2480 wrote to memory of 1968 2480 cmd.exe 51 PID 2480 wrote to memory of 1968 2480 cmd.exe 51 PID 2480 wrote to memory of 1968 2480 cmd.exe 51 PID 2480 wrote to memory of 2416 2480 cmd.exe 53 PID 2480 wrote to memory of 2416 2480 cmd.exe 53 PID 2480 wrote to memory of 2416 2480 cmd.exe 53 PID 2480 wrote to memory of 2416 2480 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:2188 -
C:\Windows\SysWOW64\cmd.execmd /c 208151726279030.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2220
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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:2552
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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:1252
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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:1236
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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:1536
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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:1612
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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:2500
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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:756 -
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:1432 -
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:2480 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:1968
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2416
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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:1612
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1776
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
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
925B
MD5648573941a0ac33dfa8bb3cabc8a8577
SHA14112a64b93b724ae2f9ecc5457a8b4572dbc68d2
SHA256452c65d7dd8ebc2820af10adbcc3905b45bb035a48c64cac3175e6706da59c22
SHA5122fa6ea9fc8e93575cf67d6f149cddee993d775df53fd7835e2fe8234d771aea4bd5ac8144281cfaa198ef755de70c2412be9620b073e402c6cb3993a29034b97
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Filesize
136B
MD5a58d7cbd79c1957531bea5271508cbf0
SHA130be649ed222b636c39308bd65e83ad1783fe03c
SHA256a1684161fe90f7a83258d149cd8cd8071f43a17d3d0c719ddcb7047ba7c50231
SHA5127fe7217553e61745631b83339ff20f990b2580f887c4f39c562518215ade96534b36de56273fcedebf7c3aba98825fdbfbadc98a63525a52bae6212df0cdf0b0
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Filesize
136B
MD55f6f01878cbc33a4814613daccbe6f61
SHA1a40983e3247deeda43d347a11eaf31b780b0db41
SHA25647c2353e698ba8635f02d13b7027b74d8455c9aa4e5b3a0ec028faf27a0a554b
SHA51227f0a640ac7ecde6637b128e70ff5d4850cb4ec86968d8ffd067bcbc7ae5ab19eabb58b2d9e1d1102268823ff6a9a4d3c1d51f313d5f2c1f77f31178de5d5d8a
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Filesize
136B
MD58dad597548e172c7d7fdeccfdda31e5b
SHA1543c63c02be3c9bd048b49af74795e7fbd44d3c8
SHA2563c4dc3ce1bf87db381dc105aae2f8b3e333c447ffeb4dcf2b5f1c7556df551b7
SHA5126ddf3905aacb089e986acd80a1432e00abcaa5ea54a6c84ba00708801ce46d858e2eaa07884eb2aaec8506603ba8f29ab020b797760135463f27a7c760c072af
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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
MD5e92665f8ad3b98a60202588f64cc9c64
SHA15650cefa0cd0014b497a4396392d4552276503dc
SHA25699e02a40377388e5fc1473a51eae5083098a680ade6530a6df9e4005471ce90a
SHA51200979a18693be72b1553fb213d593f8c2198004360365cacb6711db108f2a2177d9020a83c0892f096e002da3dfdf4c18ced33f369c9807b2fcf936be31f0640
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b