Analysis
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max time kernel
146s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2024 17:43
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20240419-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\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:
WannaCry.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD8022.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8029.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2384 !WannaDecryptor!.exe 2612 !WannaDecryptor!.exe 3668 !WannaDecryptor!.exe 3820 !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:
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 1 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\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 2796 taskkill.exe 2784 taskkill.exe 712 taskkill.exe 3136 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 712 taskkill.exe Token: SeDebugPrivilege 3136 taskkill.exe Token: SeDebugPrivilege 2784 taskkill.exe Token: SeDebugPrivilege 2796 taskkill.exe Token: SeIncreaseQuotaPrivilege 5060 WMIC.exe Token: SeSecurityPrivilege 5060 WMIC.exe Token: SeTakeOwnershipPrivilege 5060 WMIC.exe Token: SeLoadDriverPrivilege 5060 WMIC.exe Token: SeSystemProfilePrivilege 5060 WMIC.exe Token: SeSystemtimePrivilege 5060 WMIC.exe Token: SeProfSingleProcessPrivilege 5060 WMIC.exe Token: SeIncBasePriorityPrivilege 5060 WMIC.exe Token: SeCreatePagefilePrivilege 5060 WMIC.exe Token: SeBackupPrivilege 5060 WMIC.exe Token: SeRestorePrivilege 5060 WMIC.exe Token: SeShutdownPrivilege 5060 WMIC.exe Token: SeDebugPrivilege 5060 WMIC.exe Token: SeSystemEnvironmentPrivilege 5060 WMIC.exe Token: SeRemoteShutdownPrivilege 5060 WMIC.exe Token: SeUndockPrivilege 5060 WMIC.exe Token: SeManageVolumePrivilege 5060 WMIC.exe Token: 33 5060 WMIC.exe Token: 34 5060 WMIC.exe Token: 35 5060 WMIC.exe Token: 36 5060 WMIC.exe Token: SeIncreaseQuotaPrivilege 5060 WMIC.exe Token: SeSecurityPrivilege 5060 WMIC.exe Token: SeTakeOwnershipPrivilege 5060 WMIC.exe Token: SeLoadDriverPrivilege 5060 WMIC.exe Token: SeSystemProfilePrivilege 5060 WMIC.exe Token: SeSystemtimePrivilege 5060 WMIC.exe Token: SeProfSingleProcessPrivilege 5060 WMIC.exe Token: SeIncBasePriorityPrivilege 5060 WMIC.exe Token: SeCreatePagefilePrivilege 5060 WMIC.exe Token: SeBackupPrivilege 5060 WMIC.exe Token: SeRestorePrivilege 5060 WMIC.exe Token: SeShutdownPrivilege 5060 WMIC.exe Token: SeDebugPrivilege 5060 WMIC.exe Token: SeSystemEnvironmentPrivilege 5060 WMIC.exe Token: SeRemoteShutdownPrivilege 5060 WMIC.exe Token: SeUndockPrivilege 5060 WMIC.exe Token: SeManageVolumePrivilege 5060 WMIC.exe Token: 33 5060 WMIC.exe Token: 34 5060 WMIC.exe Token: 35 5060 WMIC.exe Token: 36 5060 WMIC.exe Token: SeBackupPrivilege 4288 vssvc.exe Token: SeRestorePrivilege 4288 vssvc.exe Token: SeAuditPrivilege 4288 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2384 !WannaDecryptor!.exe 2384 !WannaDecryptor!.exe 2612 !WannaDecryptor!.exe 2612 !WannaDecryptor!.exe 3668 !WannaDecryptor!.exe 3668 !WannaDecryptor!.exe 3820 !WannaDecryptor!.exe 3820 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
WannaCry.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4072 wrote to memory of 372 4072 WannaCry.exe cmd.exe PID 4072 wrote to memory of 372 4072 WannaCry.exe cmd.exe PID 4072 wrote to memory of 372 4072 WannaCry.exe cmd.exe PID 372 wrote to memory of 4800 372 cmd.exe cscript.exe PID 372 wrote to memory of 4800 372 cmd.exe cscript.exe PID 372 wrote to memory of 4800 372 cmd.exe cscript.exe PID 4072 wrote to memory of 2384 4072 WannaCry.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 2384 4072 WannaCry.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 2384 4072 WannaCry.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 712 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 712 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 712 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 3136 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 3136 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 3136 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 2796 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 2796 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 2796 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 2784 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 2784 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 2784 4072 WannaCry.exe taskkill.exe PID 4072 wrote to memory of 2612 4072 WannaCry.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 2612 4072 WannaCry.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 2612 4072 WannaCry.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 2848 4072 WannaCry.exe cmd.exe PID 4072 wrote to memory of 2848 4072 WannaCry.exe cmd.exe PID 4072 wrote to memory of 2848 4072 WannaCry.exe cmd.exe PID 2848 wrote to memory of 3668 2848 cmd.exe !WannaDecryptor!.exe PID 2848 wrote to memory of 3668 2848 cmd.exe !WannaDecryptor!.exe PID 2848 wrote to memory of 3668 2848 cmd.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 3820 4072 WannaCry.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 3820 4072 WannaCry.exe !WannaDecryptor!.exe PID 4072 wrote to memory of 3820 4072 WannaCry.exe !WannaDecryptor!.exe PID 3668 wrote to memory of 4884 3668 !WannaDecryptor!.exe cmd.exe PID 3668 wrote to memory of 4884 3668 !WannaDecryptor!.exe cmd.exe PID 3668 wrote to memory of 4884 3668 !WannaDecryptor!.exe cmd.exe PID 4884 wrote to memory of 5060 4884 cmd.exe WMIC.exe PID 4884 wrote to memory of 5060 4884 cmd.exe WMIC.exe PID 4884 wrote to memory of 5060 4884 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
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 188771715017398.bat2⤵
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4800
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2384 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:712 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3136 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2796 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2784 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2612 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3668 -
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:4884 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:5060 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3820
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4288
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD53b2b49b744c1d9e2508f8aa93f21db53
SHA151a47720566e03e902f8124ffbb11df483ea5504
SHA2567ee60e528b9bd02bd8deb7a45d20a6ad1e79a434fcf78b42f7f0ce3d8075aa63
SHA5125e1b82b24651c434cf784445e24648029bf0e5f6e24f1b3a155b26c5e9ddd44799a6b111a7e09df38118b3740ba3602408ec343f38c98fd0251c83faaba2b760
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5370d6b6dd2a2baa286b3fdc58a11e619
SHA1e8fc43e2a50d1aae238d5a6a0c2e3f41875653e8
SHA256f290181fc28e679691a5b7dd72ff700b273a3180b4cf2701d29aa4bb60b9ca13
SHA5124640e888724d55e902d840d16b5dd868ee6d0977c7040dadaebd384ff3f58bf08aa4d55a2b56cc8cff34c8b38acb2c6525365e3fff01e69f566ebb303ad8afb8
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5655e835e649da39106f46cef5aa4f382
SHA17ab33e1c527e5a462d1b881aa8d44b75808f179b
SHA256fbc38405d04c83d09954961673a2d75b6e95a04f955ff9ee707ab97860d1f26d
SHA5121baff7aa37954491081809c0b3e38e7d2a497e70f502ea4f43cc4e4170706cfba4f897bb9846b1aa55c1a6753f6d33bbd94f21c9c201864a842c9bd3391a8b24
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD51b6fd989e9e6174348c43f1665e165c8
SHA1f97246b661775575e12484cd612e1d6e4810f24d
SHA2563eff465881e60bf17a80bc367cbfbf45448b74249d4b05c87147dcac185b0917
SHA512e0bb994c11cafeeb4ab0d18abb982a9a979422810d65fcc1cf73cd5540cf748350cba0af936421dd40c15cc9e421958c274036db03413ff39577fb8e74b5a88f
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C:\Users\Admin\AppData\Local\Temp\188771715017398.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD5c7f392397a98d1397decf42742b38e4c
SHA1b5d6e0ec3a4048d8f72791d7a5dd798a719ca41d
SHA25641111498677319a0b8b57a3d7aab365d85bbcbf05b4820b7233bb81cda651129
SHA5126da55372b691c1604a68897b13ed3d9319882575b0011bc4256fc5a6a816e628f3d176ff69ca9e58e6982bd37bc4ebd9507ee8355632a10e26e47f3be254cc9c
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C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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C:\Users\Admin\AppData\Local\Temp\u.wryFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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memory/4072-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB