Analysis
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max time kernel
148s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
16-06-2024 14:39
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20240508-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 1 IoCs
Processes:
WannaCry.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD1720.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3024 !WannaDecryptor!.exe 1088 !WannaDecryptor!.exe 1640 !WannaDecryptor!.exe 1732 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
Processes:
cscript.exeWannaCry.execmd.exepid process 1212 cscript.exe 1368 WannaCry.exe 1368 WannaCry.exe 1368 WannaCry.exe 1368 WannaCry.exe 768 cmd.exe 768 cmd.exe 1368 WannaCry.exe 1368 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
Processes:
WannaCry.exedescription 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
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 1116 vssadmin.exe -
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 2316 taskkill.exe 2272 taskkill.exe 1528 taskkill.exe 2228 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
!WannaDecryptor!.exepid process 1732 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exevssvc.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1528 taskkill.exe Token: SeDebugPrivilege 2228 taskkill.exe Token: SeDebugPrivilege 2316 taskkill.exe Token: SeDebugPrivilege 2272 taskkill.exe Token: SeBackupPrivilege 2868 vssvc.exe Token: SeRestorePrivilege 2868 vssvc.exe Token: SeAuditPrivilege 2868 vssvc.exe Token: SeIncreaseQuotaPrivilege 1440 WMIC.exe Token: SeSecurityPrivilege 1440 WMIC.exe Token: SeTakeOwnershipPrivilege 1440 WMIC.exe Token: SeLoadDriverPrivilege 1440 WMIC.exe Token: SeSystemProfilePrivilege 1440 WMIC.exe Token: SeSystemtimePrivilege 1440 WMIC.exe Token: SeProfSingleProcessPrivilege 1440 WMIC.exe Token: SeIncBasePriorityPrivilege 1440 WMIC.exe Token: SeCreatePagefilePrivilege 1440 WMIC.exe Token: SeBackupPrivilege 1440 WMIC.exe Token: SeRestorePrivilege 1440 WMIC.exe Token: SeShutdownPrivilege 1440 WMIC.exe Token: SeDebugPrivilege 1440 WMIC.exe Token: SeSystemEnvironmentPrivilege 1440 WMIC.exe Token: SeRemoteShutdownPrivilege 1440 WMIC.exe Token: SeUndockPrivilege 1440 WMIC.exe Token: SeManageVolumePrivilege 1440 WMIC.exe Token: 33 1440 WMIC.exe Token: 34 1440 WMIC.exe Token: 35 1440 WMIC.exe Token: SeIncreaseQuotaPrivilege 1440 WMIC.exe Token: SeSecurityPrivilege 1440 WMIC.exe Token: SeTakeOwnershipPrivilege 1440 WMIC.exe Token: SeLoadDriverPrivilege 1440 WMIC.exe Token: SeSystemProfilePrivilege 1440 WMIC.exe Token: SeSystemtimePrivilege 1440 WMIC.exe Token: SeProfSingleProcessPrivilege 1440 WMIC.exe Token: SeIncBasePriorityPrivilege 1440 WMIC.exe Token: SeCreatePagefilePrivilege 1440 WMIC.exe Token: SeBackupPrivilege 1440 WMIC.exe Token: SeRestorePrivilege 1440 WMIC.exe Token: SeShutdownPrivilege 1440 WMIC.exe Token: SeDebugPrivilege 1440 WMIC.exe Token: SeSystemEnvironmentPrivilege 1440 WMIC.exe Token: SeRemoteShutdownPrivilege 1440 WMIC.exe Token: SeUndockPrivilege 1440 WMIC.exe Token: SeManageVolumePrivilege 1440 WMIC.exe Token: 33 1440 WMIC.exe Token: 34 1440 WMIC.exe Token: 35 1440 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3024 !WannaDecryptor!.exe 3024 !WannaDecryptor!.exe 1088 !WannaDecryptor!.exe 1088 !WannaDecryptor!.exe 1640 !WannaDecryptor!.exe 1640 !WannaDecryptor!.exe 1732 !WannaDecryptor!.exe 1732 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
Processes:
WannaCry.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1368 wrote to memory of 3020 1368 WannaCry.exe cmd.exe PID 1368 wrote to memory of 3020 1368 WannaCry.exe cmd.exe PID 1368 wrote to memory of 3020 1368 WannaCry.exe cmd.exe PID 1368 wrote to memory of 3020 1368 WannaCry.exe cmd.exe PID 3020 wrote to memory of 1212 3020 cmd.exe cscript.exe PID 3020 wrote to memory of 1212 3020 cmd.exe cscript.exe PID 3020 wrote to memory of 1212 3020 cmd.exe cscript.exe PID 3020 wrote to memory of 1212 3020 cmd.exe cscript.exe PID 1368 wrote to memory of 3024 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 3024 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 3024 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 3024 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 2316 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2316 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2316 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2316 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 1528 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 1528 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 1528 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 1528 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2272 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2272 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2272 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2272 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2228 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2228 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2228 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 2228 1368 WannaCry.exe taskkill.exe PID 1368 wrote to memory of 1088 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 1088 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 1088 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 1088 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 768 1368 WannaCry.exe cmd.exe PID 1368 wrote to memory of 768 1368 WannaCry.exe cmd.exe PID 1368 wrote to memory of 768 1368 WannaCry.exe cmd.exe PID 1368 wrote to memory of 768 1368 WannaCry.exe cmd.exe PID 768 wrote to memory of 1640 768 cmd.exe !WannaDecryptor!.exe PID 768 wrote to memory of 1640 768 cmd.exe !WannaDecryptor!.exe PID 768 wrote to memory of 1640 768 cmd.exe !WannaDecryptor!.exe PID 768 wrote to memory of 1640 768 cmd.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 1732 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 1732 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 1732 1368 WannaCry.exe !WannaDecryptor!.exe PID 1368 wrote to memory of 1732 1368 WannaCry.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 1168 1640 !WannaDecryptor!.exe cmd.exe PID 1640 wrote to memory of 1168 1640 !WannaDecryptor!.exe cmd.exe PID 1640 wrote to memory of 1168 1640 !WannaDecryptor!.exe cmd.exe PID 1640 wrote to memory of 1168 1640 !WannaDecryptor!.exe cmd.exe PID 1168 wrote to memory of 1116 1168 cmd.exe vssadmin.exe PID 1168 wrote to memory of 1116 1168 cmd.exe vssadmin.exe PID 1168 wrote to memory of 1116 1168 cmd.exe vssadmin.exe PID 1168 wrote to memory of 1116 1168 cmd.exe vssadmin.exe PID 1168 wrote to memory of 1440 1168 cmd.exe WMIC.exe PID 1168 wrote to memory of 1440 1168 cmd.exe WMIC.exe PID 1168 wrote to memory of 1440 1168 cmd.exe WMIC.exe PID 1168 wrote to memory of 1440 1168 cmd.exe WMIC.exe -
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
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\SysWOW64\cmd.execmd /c 224611718548768.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3024 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2316 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1528 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2272 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1088 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640 -
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⤵
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:1116 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1440 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1732
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2868
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
925B
MD567303145a303ee4c2082e3dc6a7d204d
SHA19e83cb944d1f5c54129fa973b1f05b31f6d52a4d
SHA256b20f0966b5a7ebfc1c765f9d155a159bc6d3c7691f8b1e33ed5af04965106707
SHA5127c0b6a8cfc843141fdeed6911252a379c7ba6cb0589ac1e396bace66aa85509b763f4cf35f677e998a6ba6f0a99b50a16da109dbfe724cbb468e97cf58eb1405
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Filesize
136B
MD5bf1dddb01bb849d94661b5907d8e46a9
SHA1e0fadbdc917e0f155bc6a46ec0d28bb24f8a7c57
SHA256d4f217f51dff2182d29b2fa3773607dd6541f8b95868234bb5fbb14eb6136f71
SHA51214371b91c23a4ff3d5bea941438623ca46f35dba4a088666f1fdb28c9e5608e8c8df9b1b669966a67c8bec8d49816c4b4ac09fb7c456b74115cd6de1afd613e5
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Filesize
136B
MD5d4e9aaa89d7c7d8ad01442bd5d86ea33
SHA1e412286a71e039dcb826e5599b04203745eddd10
SHA256da36ccbcc013588ef6fcf52e79b3d3b4d1c509284559256fbed16e6b68fc04b5
SHA512164dcf79f5183f67d98ba10c1da5a9308f9733a80c6bdf24e438b5b77d3ead74db4fb1242c43c572513cca89fa75f6add989dbe822e236d2bd39acca942f7a63
-
Filesize
136B
MD57dafb842f9bddbbe32cf030560ed4296
SHA1c3b9fca86cbb0f1e6b5f0fe99a82586ebeef2e1c
SHA25690aa9a3b8891af5e7842db51f70ad4337873017003ca9ffdd0eef472b5a505ec
SHA512ebb6757636b38a8301af7bc6aaf25218f237be55556e028d9e52b39e1f6a6e64fb0eea9e62cbad980b760fc3943bd5e8cb1a8e330587f215ab4c3092bf580ce8
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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
MD5614899cd3e50830544a3be9a648bb425
SHA1de056602be21c5f635605ae762726e10ae0ad0f0
SHA2567314aa5f302b168ada78952e643ff9a030e31586a9ef95ac9652fc1d08d5c16b
SHA5121ff438230cdf852fb8c03bd61f4d11fe2753dbc132c71b001d83c4ef120e207b9f6e17a645cc728885224650769bb30daa74d1c818f0b1cf03f711b2bb93111f
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b