Analysis
-
max time kernel
144s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
27-10-2024 18:38
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20241007-en
General
-
Target
WannaCry.exe
-
Size
224KB
-
MD5
5c7fb0927db37372da25f270708103a2
-
SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
-
SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
-
SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
-
SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\Documents\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Wannacry family
-
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8BE9.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD8BD6.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2764 !WannaDecryptor!.exe 2580 !WannaDecryptor!.exe 108 !WannaDecryptor!.exe 2232 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2928 cscript.exe 2128 WannaCry.exe 2128 WannaCry.exe 2128 WannaCry.exe 2128 WannaCry.exe 1376 cmd.exe 1376 cmd.exe 2128 WannaCry.exe 2128 WannaCry.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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).
-
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 taskkill.exe 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 cmd.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 !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 taskkill.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 cmd.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1640 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 2172 taskkill.exe 2148 taskkill.exe 952 taskkill.exe 1252 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2232 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 2172 taskkill.exe Token: SeDebugPrivilege 1252 taskkill.exe Token: SeDebugPrivilege 2148 taskkill.exe Token: SeDebugPrivilege 952 taskkill.exe Token: SeBackupPrivilege 2056 vssvc.exe Token: SeRestorePrivilege 2056 vssvc.exe Token: SeAuditPrivilege 2056 vssvc.exe Token: SeIncreaseQuotaPrivilege 584 WMIC.exe Token: SeSecurityPrivilege 584 WMIC.exe Token: SeTakeOwnershipPrivilege 584 WMIC.exe Token: SeLoadDriverPrivilege 584 WMIC.exe Token: SeSystemProfilePrivilege 584 WMIC.exe Token: SeSystemtimePrivilege 584 WMIC.exe Token: SeProfSingleProcessPrivilege 584 WMIC.exe Token: SeIncBasePriorityPrivilege 584 WMIC.exe Token: SeCreatePagefilePrivilege 584 WMIC.exe Token: SeBackupPrivilege 584 WMIC.exe Token: SeRestorePrivilege 584 WMIC.exe Token: SeShutdownPrivilege 584 WMIC.exe Token: SeDebugPrivilege 584 WMIC.exe Token: SeSystemEnvironmentPrivilege 584 WMIC.exe Token: SeRemoteShutdownPrivilege 584 WMIC.exe Token: SeUndockPrivilege 584 WMIC.exe Token: SeManageVolumePrivilege 584 WMIC.exe Token: 33 584 WMIC.exe Token: 34 584 WMIC.exe Token: 35 584 WMIC.exe Token: SeIncreaseQuotaPrivilege 584 WMIC.exe Token: SeSecurityPrivilege 584 WMIC.exe Token: SeTakeOwnershipPrivilege 584 WMIC.exe Token: SeLoadDriverPrivilege 584 WMIC.exe Token: SeSystemProfilePrivilege 584 WMIC.exe Token: SeSystemtimePrivilege 584 WMIC.exe Token: SeProfSingleProcessPrivilege 584 WMIC.exe Token: SeIncBasePriorityPrivilege 584 WMIC.exe Token: SeCreatePagefilePrivilege 584 WMIC.exe Token: SeBackupPrivilege 584 WMIC.exe Token: SeRestorePrivilege 584 WMIC.exe Token: SeShutdownPrivilege 584 WMIC.exe Token: SeDebugPrivilege 584 WMIC.exe Token: SeSystemEnvironmentPrivilege 584 WMIC.exe Token: SeRemoteShutdownPrivilege 584 WMIC.exe Token: SeUndockPrivilege 584 WMIC.exe Token: SeManageVolumePrivilege 584 WMIC.exe Token: 33 584 WMIC.exe Token: 34 584 WMIC.exe Token: 35 584 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2764 !WannaDecryptor!.exe 2764 !WannaDecryptor!.exe 2580 !WannaDecryptor!.exe 2580 !WannaDecryptor!.exe 108 !WannaDecryptor!.exe 108 !WannaDecryptor!.exe 2232 !WannaDecryptor!.exe 2232 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2128 wrote to memory of 2756 2128 WannaCry.exe 30 PID 2128 wrote to memory of 2756 2128 WannaCry.exe 30 PID 2128 wrote to memory of 2756 2128 WannaCry.exe 30 PID 2128 wrote to memory of 2756 2128 WannaCry.exe 30 PID 2756 wrote to memory of 2928 2756 cmd.exe 32 PID 2756 wrote to memory of 2928 2756 cmd.exe 32 PID 2756 wrote to memory of 2928 2756 cmd.exe 32 PID 2756 wrote to memory of 2928 2756 cmd.exe 32 PID 2128 wrote to memory of 2764 2128 WannaCry.exe 33 PID 2128 wrote to memory of 2764 2128 WannaCry.exe 33 PID 2128 wrote to memory of 2764 2128 WannaCry.exe 33 PID 2128 wrote to memory of 2764 2128 WannaCry.exe 33 PID 2128 wrote to memory of 2172 2128 WannaCry.exe 34 PID 2128 wrote to memory of 2172 2128 WannaCry.exe 34 PID 2128 wrote to memory of 2172 2128 WannaCry.exe 34 PID 2128 wrote to memory of 2172 2128 WannaCry.exe 34 PID 2128 wrote to memory of 2148 2128 WannaCry.exe 35 PID 2128 wrote to memory of 2148 2128 WannaCry.exe 35 PID 2128 wrote to memory of 2148 2128 WannaCry.exe 35 PID 2128 wrote to memory of 2148 2128 WannaCry.exe 35 PID 2128 wrote to memory of 952 2128 WannaCry.exe 36 PID 2128 wrote to memory of 952 2128 WannaCry.exe 36 PID 2128 wrote to memory of 952 2128 WannaCry.exe 36 PID 2128 wrote to memory of 952 2128 WannaCry.exe 36 PID 2128 wrote to memory of 1252 2128 WannaCry.exe 37 PID 2128 wrote to memory of 1252 2128 WannaCry.exe 37 PID 2128 wrote to memory of 1252 2128 WannaCry.exe 37 PID 2128 wrote to memory of 1252 2128 WannaCry.exe 37 PID 2128 wrote to memory of 2580 2128 WannaCry.exe 44 PID 2128 wrote to memory of 2580 2128 WannaCry.exe 44 PID 2128 wrote to memory of 2580 2128 WannaCry.exe 44 PID 2128 wrote to memory of 2580 2128 WannaCry.exe 44 PID 2128 wrote to memory of 1376 2128 WannaCry.exe 45 PID 2128 wrote to memory of 1376 2128 WannaCry.exe 45 PID 2128 wrote to memory of 1376 2128 WannaCry.exe 45 PID 2128 wrote to memory of 1376 2128 WannaCry.exe 45 PID 1376 wrote to memory of 108 1376 cmd.exe 47 PID 1376 wrote to memory of 108 1376 cmd.exe 47 PID 1376 wrote to memory of 108 1376 cmd.exe 47 PID 1376 wrote to memory of 108 1376 cmd.exe 47 PID 2128 wrote to memory of 2232 2128 WannaCry.exe 48 PID 2128 wrote to memory of 2232 2128 WannaCry.exe 48 PID 2128 wrote to memory of 2232 2128 WannaCry.exe 48 PID 2128 wrote to memory of 2232 2128 WannaCry.exe 48 PID 108 wrote to memory of 1964 108 !WannaDecryptor!.exe 49 PID 108 wrote to memory of 1964 108 !WannaDecryptor!.exe 49 PID 108 wrote to memory of 1964 108 !WannaDecryptor!.exe 49 PID 108 wrote to memory of 1964 108 !WannaDecryptor!.exe 49 PID 1964 wrote to memory of 1640 1964 cmd.exe 51 PID 1964 wrote to memory of 1640 1964 cmd.exe 51 PID 1964 wrote to memory of 1640 1964 cmd.exe 51 PID 1964 wrote to memory of 1640 1964 cmd.exe 51 PID 1964 wrote to memory of 584 1964 cmd.exe 53 PID 1964 wrote to memory of 584 1964 cmd.exe 53 PID 1964 wrote to memory of 584 1964 cmd.exe 53 PID 1964 wrote to memory of 584 1964 cmd.exe 53 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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:2128 -
C:\Windows\SysWOW64\cmd.execmd /c 316301730054300.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2928
-
-
-
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:2764
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2172
-
-
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:2148
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:952
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1252
-
-
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:2580
-
-
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:1376 -
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:108 -
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:1964 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:1640
-
-
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:584
-
-
-
-
-
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:2232
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2056
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
-
Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
-
Filesize
921B
MD55472149572ccfc89fd6cdf4eabb9f74e
SHA19a8a5d5673e8578549e78fd93c7af47681ea3553
SHA25681ee08c6b4fcefb5c0143e364a3db23ca99aa35cc33ad4a583bdb97d538b26f9
SHA512bdd4f2fc94a09b54a3fa36594b6314e3548d08d05eab873f9cf4511ede01eec909bd280e3d38fafde3604a6a3008143a07a1f6252732bcb149c61a7eecc5c50c
-
Filesize
136B
MD54eccadd09613dbf963fa458893d3f42f
SHA17ff6e75f7b96889e44d3ec8e95b98164ff57322b
SHA25614286ea5268c2b96690953abdc758deebf9577a771af0f9a985d41d7622a05be
SHA5122bcd5d5f225cdc9e8ab313de83a2250c4dfabe0fc36320e33bd0499891d31df9b93df7558b6c10a198fadb765d7485b36284c55e4a7639430cfce13e5140053f
-
Filesize
136B
MD5b34a0a36c954f0a06de5658d7661cc01
SHA143fd21ad759d5ec9405ac7613c3713fa0da27fc0
SHA25657c4fe850bbd6609652c3e115bf0d4082e6ab4569b37dd60ecf4337e958154cc
SHA5128621568859a0129178b9dc26636bd9ec982c5754d5dd180068c8aaa70417fc444d093b95622a8a9cbe2fdeddbcb759da1bd9ffb4f8cbbe26f5a905757a1a89fe
-
Filesize
136B
MD5272a96e0dc21ff98f5c7c63ff9642727
SHA14858ccc8de83b8602609a345f6f44e7767eb809b
SHA256062aa4f936a92fc4bbb9f8cc413c55bdf2b1c749b73f4ab3cd5cc4021737229f
SHA51216f7cca2c9753d51637a27fbd99935bc5596b8647a31be20a6511905c83870e54f845ebcc7b8dbaf63ee591a88af3f448c3afa725e3d39979ef1d7cf89312816
-
Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
-
Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
-
Filesize
628B
MD5452b07685f216d06da3e810142aea4b0
SHA14a0fb26288b143b4704dbbfeddbe331174e9afcf
SHA2568485b59ab68ee9c081bbe44f6e06c8f6bb8d9bf73717b59763be61948b1e4264
SHA5126389228e5a921a19751af217bb8158d7c67588ff0ec5108c37059805e89e35892b6c81119d3a52cad578c920752c68a8c610cfb16e8119e08790a0a1439e8592
-
Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b