Analysis
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max time kernel
322s -
max time network
325s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 08:37
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 2 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\~SD56F1.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5708.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1476 !WannaDecryptor!.exe 808 !WannaDecryptor!.exe 2112 !WannaDecryptor!.exe 4612 !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-1-5-21-2818691465-3043947619-2475182763-1000\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 1908 taskkill.exe 4072 taskkill.exe 1144 taskkill.exe 4044 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1908 taskkill.exe Token: SeDebugPrivilege 1144 taskkill.exe Token: SeDebugPrivilege 4072 taskkill.exe Token: SeDebugPrivilege 4044 taskkill.exe Token: SeIncreaseQuotaPrivilege 2564 WMIC.exe Token: SeSecurityPrivilege 2564 WMIC.exe Token: SeTakeOwnershipPrivilege 2564 WMIC.exe Token: SeLoadDriverPrivilege 2564 WMIC.exe Token: SeSystemProfilePrivilege 2564 WMIC.exe Token: SeSystemtimePrivilege 2564 WMIC.exe Token: SeProfSingleProcessPrivilege 2564 WMIC.exe Token: SeIncBasePriorityPrivilege 2564 WMIC.exe Token: SeCreatePagefilePrivilege 2564 WMIC.exe Token: SeBackupPrivilege 2564 WMIC.exe Token: SeRestorePrivilege 2564 WMIC.exe Token: SeShutdownPrivilege 2564 WMIC.exe Token: SeDebugPrivilege 2564 WMIC.exe Token: SeSystemEnvironmentPrivilege 2564 WMIC.exe Token: SeRemoteShutdownPrivilege 2564 WMIC.exe Token: SeUndockPrivilege 2564 WMIC.exe Token: SeManageVolumePrivilege 2564 WMIC.exe Token: 33 2564 WMIC.exe Token: 34 2564 WMIC.exe Token: 35 2564 WMIC.exe Token: 36 2564 WMIC.exe Token: SeIncreaseQuotaPrivilege 2564 WMIC.exe Token: SeSecurityPrivilege 2564 WMIC.exe Token: SeTakeOwnershipPrivilege 2564 WMIC.exe Token: SeLoadDriverPrivilege 2564 WMIC.exe Token: SeSystemProfilePrivilege 2564 WMIC.exe Token: SeSystemtimePrivilege 2564 WMIC.exe Token: SeProfSingleProcessPrivilege 2564 WMIC.exe Token: SeIncBasePriorityPrivilege 2564 WMIC.exe Token: SeCreatePagefilePrivilege 2564 WMIC.exe Token: SeBackupPrivilege 2564 WMIC.exe Token: SeRestorePrivilege 2564 WMIC.exe Token: SeShutdownPrivilege 2564 WMIC.exe Token: SeDebugPrivilege 2564 WMIC.exe Token: SeSystemEnvironmentPrivilege 2564 WMIC.exe Token: SeRemoteShutdownPrivilege 2564 WMIC.exe Token: SeUndockPrivilege 2564 WMIC.exe Token: SeManageVolumePrivilege 2564 WMIC.exe Token: 33 2564 WMIC.exe Token: 34 2564 WMIC.exe Token: 35 2564 WMIC.exe Token: 36 2564 WMIC.exe Token: SeBackupPrivilege 3852 vssvc.exe Token: SeRestorePrivilege 3852 vssvc.exe Token: SeAuditPrivilege 3852 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1476 !WannaDecryptor!.exe 1476 !WannaDecryptor!.exe 808 !WannaDecryptor!.exe 808 !WannaDecryptor!.exe 2112 !WannaDecryptor!.exe 2112 !WannaDecryptor!.exe 4612 !WannaDecryptor!.exe 4612 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
WannaCry.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3204 wrote to memory of 1172 3204 WannaCry.exe cmd.exe PID 3204 wrote to memory of 1172 3204 WannaCry.exe cmd.exe PID 3204 wrote to memory of 1172 3204 WannaCry.exe cmd.exe PID 1172 wrote to memory of 3568 1172 cmd.exe cscript.exe PID 1172 wrote to memory of 3568 1172 cmd.exe cscript.exe PID 1172 wrote to memory of 3568 1172 cmd.exe cscript.exe PID 3204 wrote to memory of 1476 3204 WannaCry.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 1476 3204 WannaCry.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 1476 3204 WannaCry.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 4072 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 4072 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 4072 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 1144 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 1144 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 1144 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 4044 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 4044 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 4044 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 1908 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 1908 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 1908 3204 WannaCry.exe taskkill.exe PID 3204 wrote to memory of 808 3204 WannaCry.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 808 3204 WannaCry.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 808 3204 WannaCry.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 1136 3204 WannaCry.exe cmd.exe PID 3204 wrote to memory of 1136 3204 WannaCry.exe cmd.exe PID 3204 wrote to memory of 1136 3204 WannaCry.exe cmd.exe PID 1136 wrote to memory of 2112 1136 cmd.exe !WannaDecryptor!.exe PID 1136 wrote to memory of 2112 1136 cmd.exe !WannaDecryptor!.exe PID 1136 wrote to memory of 2112 1136 cmd.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 4612 3204 WannaCry.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 4612 3204 WannaCry.exe !WannaDecryptor!.exe PID 3204 wrote to memory of 4612 3204 WannaCry.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 1428 2112 !WannaDecryptor!.exe cmd.exe PID 2112 wrote to memory of 1428 2112 !WannaDecryptor!.exe cmd.exe PID 2112 wrote to memory of 1428 2112 !WannaDecryptor!.exe cmd.exe PID 1428 wrote to memory of 2564 1428 cmd.exe WMIC.exe PID 1428 wrote to memory of 2564 1428 cmd.exe WMIC.exe PID 1428 wrote to memory of 2564 1428 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:3204 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 176631714379845.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3568
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1476 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4072 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1144 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4044 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1908 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:808 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2112 -
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:1428 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2564 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4612
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3852
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
MD5f8e57d1e65bff8a584c13e880162fd55
SHA16d9a3bd3e03af0f866dff9b1ff7908c598a7e625
SHA2567620f7d2f837e147336b853078586394a49adf9b4b711f93440cfb93fd1a4822
SHA51223c039e9ad0ec285d43e9889834c464cd13610b472e571d5e8c838dcf7b1deb1848a0eb331b2f313bcd47c1be5fcbc6f203ddfb612a6c1efb0eb73566e487d9b
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD55f1b84a4eadc2f5c89d8b16cf1d3f08e
SHA19cc73de5c6dbb13dfdd519c901331f31afd305e4
SHA25658039e135ff190e72696ba9dd5ffdaa4dfa7a741ecec3bc8741c638f1862a34f
SHA5124be1c69304283c869ebe64d651ef7d840145d35829eafce0fb036aa65e9c1e7733f28fd05ec6a5efa33886ebc970c836ce7fa09bc7de90165c54e08c9c6eb372
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5372bfa17c0eb4ee4695fa86302771b90
SHA1ceeb92c2cdc1f83099221d17f96a3381d9d933de
SHA25622ef780f680264ea09f6530a018e6acc01f713f31d6b06118a644879f45ecb00
SHA51216e3e81b4e030131c02ea44d16f17d38c807b75de31966e4f9cb0cf1154c289b95cc07b148e3a6389cf78840ae99e945c4709556d552336d6d05f41c02786a44
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5691ea4456d16c72df2ff813e2ea2b336
SHA1a7c84522d8c92a02b4772eb84fc806fc8b6e0515
SHA256810810190689dfea45b3cd98e71e1bf7df3a3fde02ddad1f9c8131bce756d5b6
SHA5123891d62fdc8d743c2e8ff8c9f0f7fdfed2c1e7ea9ecb1bc1dee72542109453cc2e0170124fc2ad6bc4755b06552e4798faac81e78e393b77327c8c0bc892d0f7
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C:\Users\Admin\AppData\Local\Temp\176631714379845.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
MD5cf87f42c5a467d64306f821102a3eeeb
SHA1e4b884219fa9aed26aba48884b45967003a5db7b
SHA256633b8c6d271ff108e7d58e1d716d4356fd9c582131c43d551188a1cf7ffa807d
SHA5124f446ef9b4fcf9cdf1679f187f75b2779c9d981da627715b796544f9a81b15fa2be2d0bda1732844019ebd0671720ff2c5c4cd924e3a50a3b1987174d4621c09
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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/3204-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB