Analysis
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max time kernel
148s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:05
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
-
Size
224KB
-
MD5
5c7fb0927db37372da25f270708103a2
-
SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
-
SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!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
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6336.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD633D.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 212 !WannaDecryptor!.exe 3656 !WannaDecryptor!.exe 2956 !WannaDecryptor!.exe 1292 !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
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 1416 taskkill.exe 4256 taskkill.exe 4032 taskkill.exe 4236 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4236 taskkill.exe Token: SeDebugPrivilege 4032 taskkill.exe Token: SeDebugPrivilege 1416 taskkill.exe Token: SeDebugPrivilege 4256 taskkill.exe Token: SeIncreaseQuotaPrivilege 1652 WMIC.exe Token: SeSecurityPrivilege 1652 WMIC.exe Token: SeTakeOwnershipPrivilege 1652 WMIC.exe Token: SeLoadDriverPrivilege 1652 WMIC.exe Token: SeSystemProfilePrivilege 1652 WMIC.exe Token: SeSystemtimePrivilege 1652 WMIC.exe Token: SeProfSingleProcessPrivilege 1652 WMIC.exe Token: SeIncBasePriorityPrivilege 1652 WMIC.exe Token: SeCreatePagefilePrivilege 1652 WMIC.exe Token: SeBackupPrivilege 1652 WMIC.exe Token: SeRestorePrivilege 1652 WMIC.exe Token: SeShutdownPrivilege 1652 WMIC.exe Token: SeDebugPrivilege 1652 WMIC.exe Token: SeSystemEnvironmentPrivilege 1652 WMIC.exe Token: SeRemoteShutdownPrivilege 1652 WMIC.exe Token: SeUndockPrivilege 1652 WMIC.exe Token: SeManageVolumePrivilege 1652 WMIC.exe Token: 33 1652 WMIC.exe Token: 34 1652 WMIC.exe Token: 35 1652 WMIC.exe Token: 36 1652 WMIC.exe Token: SeIncreaseQuotaPrivilege 1652 WMIC.exe Token: SeSecurityPrivilege 1652 WMIC.exe Token: SeTakeOwnershipPrivilege 1652 WMIC.exe Token: SeLoadDriverPrivilege 1652 WMIC.exe Token: SeSystemProfilePrivilege 1652 WMIC.exe Token: SeSystemtimePrivilege 1652 WMIC.exe Token: SeProfSingleProcessPrivilege 1652 WMIC.exe Token: SeIncBasePriorityPrivilege 1652 WMIC.exe Token: SeCreatePagefilePrivilege 1652 WMIC.exe Token: SeBackupPrivilege 1652 WMIC.exe Token: SeRestorePrivilege 1652 WMIC.exe Token: SeShutdownPrivilege 1652 WMIC.exe Token: SeDebugPrivilege 1652 WMIC.exe Token: SeSystemEnvironmentPrivilege 1652 WMIC.exe Token: SeRemoteShutdownPrivilege 1652 WMIC.exe Token: SeUndockPrivilege 1652 WMIC.exe Token: SeManageVolumePrivilege 1652 WMIC.exe Token: 33 1652 WMIC.exe Token: 34 1652 WMIC.exe Token: 35 1652 WMIC.exe Token: 36 1652 WMIC.exe Token: SeBackupPrivilege 4516 vssvc.exe Token: SeRestorePrivilege 4516 vssvc.exe Token: SeAuditPrivilege 4516 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 212 !WannaDecryptor!.exe 212 !WannaDecryptor!.exe 3656 !WannaDecryptor!.exe 3656 !WannaDecryptor!.exe 2956 !WannaDecryptor!.exe 2956 !WannaDecryptor!.exe 1292 !WannaDecryptor!.exe 1292 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2504 wrote to memory of 3052 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2504 wrote to memory of 3052 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2504 wrote to memory of 3052 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3052 wrote to memory of 3636 3052 cmd.exe cscript.exe PID 3052 wrote to memory of 3636 3052 cmd.exe cscript.exe PID 3052 wrote to memory of 3636 3052 cmd.exe cscript.exe PID 2504 wrote to memory of 212 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 212 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 212 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 4236 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 4236 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 4236 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 4032 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 4032 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 4032 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 4256 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 4256 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 4256 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 1416 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 1416 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 1416 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2504 wrote to memory of 3656 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 3656 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 3656 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 3824 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2504 wrote to memory of 3824 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2504 wrote to memory of 3824 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3824 wrote to memory of 2956 3824 cmd.exe !WannaDecryptor!.exe PID 3824 wrote to memory of 2956 3824 cmd.exe !WannaDecryptor!.exe PID 3824 wrote to memory of 2956 3824 cmd.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 1292 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 1292 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2504 wrote to memory of 1292 2504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2956 wrote to memory of 1948 2956 !WannaDecryptor!.exe cmd.exe PID 2956 wrote to memory of 1948 2956 !WannaDecryptor!.exe cmd.exe PID 2956 wrote to memory of 1948 2956 !WannaDecryptor!.exe cmd.exe PID 1948 wrote to memory of 1652 1948 cmd.exe WMIC.exe PID 1948 wrote to memory of 1652 1948 cmd.exe WMIC.exe PID 1948 wrote to memory of 1652 1948 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\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 271041715627167.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3636
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:212 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4236 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4032 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4256 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1416 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3656 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2956 -
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:1948 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1652 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1292
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4516
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
1KB
MD59ea59fa205d00dda407fc0d4bb89df90
SHA18500db55304c45399b4e61d4b4f8154f722d627f
SHA256f2b491f07da7ec2df4070b88251c951711138ce0f4a9ee09c9f6a16633647bc9
SHA51256f9367f70a84151dc78479b0a21e9c730132ae2fccb67c6153d3605f564857b1cf1fcfa74e0434b4f348d674ce9235dc5b2f5872295bbb628d2909b9aa1219f
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Filesize
136B
MD59d1c9d63eeb582b57d998ef05a3d19ba
SHA19af9115165228fac5573f0aa1d226ab78785df92
SHA25610ad04524ca02650b7e5e7a86a6dcf88d1767b1408705822a3083c19ca4bb88f
SHA512181deed10747c32d8bd7e7a2a85bbe2ce2470246d7bea04fba004f9f8edcdf08ca7ec4424b7484f091568fe5e4597c1ade2f8dd1449c354fc3e520c3c1d7f70e
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Filesize
136B
MD51e109ffc81ae31b458332bf89c8680b0
SHA1a0c978f83d7c5ec99485ec388a906b3f3952a9c9
SHA2564eeef67d7e4fa6917ea1ca183077b2a393ba9dd68c7111bad7de6095fb0b8211
SHA5126b003dab9f779ae60eab41cc0639561e80ae404c35ffe60c487731aec91788fc9b0126df032a005306cbeeb11c2b39888c8ff8e6c0d3db7feb253dcaef3ee763
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Filesize
136B
MD59271317497f720e5d8b0275b90d5cc9a
SHA1691c759fb573295874b98f4f3bbf9b19db662ac9
SHA256ed689d036406c508c4694f4e110b9fb830fe0db35f200dde32bfbf4d5072863f
SHA512639f2ee7e6bd60669c143c3b4ce966ad274aaeb0dd3659744a7be63eaa03ec6020b7c555724abf114731b7faf7195d7c17b7c50a1c7d9d59a9049b4446b0d0b2
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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
MD59b86a82ca56670d6ad70cb0c6dd97d96
SHA1736f3ffb82dd9ca287af1e800b3d9cba226928c7
SHA2566209bf490ee5b2649c95bd27b974a96a323611c2fb89dabfad2193d932284ae2
SHA51254c86e634b8d0cf25e3109fd8f4d2e00628be5ee7981155ff7ed1f38e20a1e550326783144b1c7b82ba2f48494e917d71e31cb237cdf5f5d0e0f36ab310d675d
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5