Analysis
-
max time kernel
141s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:02
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
General
-
Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.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\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
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\~SD6935.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD694B.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4968 !WannaDecryptor!.exe 4496 !WannaDecryptor!.exe 3940 !WannaDecryptor!.exe 232 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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-1-5-21-4124900551-4068476067-3491212533-1000\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).
-
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 4308 taskkill.exe 4348 taskkill.exe 4904 taskkill.exe 2156 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2156 taskkill.exe Token: SeDebugPrivilege 4308 taskkill.exe Token: SeDebugPrivilege 4348 taskkill.exe Token: SeDebugPrivilege 4904 taskkill.exe Token: SeIncreaseQuotaPrivilege 1268 WMIC.exe Token: SeSecurityPrivilege 1268 WMIC.exe Token: SeTakeOwnershipPrivilege 1268 WMIC.exe Token: SeLoadDriverPrivilege 1268 WMIC.exe Token: SeSystemProfilePrivilege 1268 WMIC.exe Token: SeSystemtimePrivilege 1268 WMIC.exe Token: SeProfSingleProcessPrivilege 1268 WMIC.exe Token: SeIncBasePriorityPrivilege 1268 WMIC.exe Token: SeCreatePagefilePrivilege 1268 WMIC.exe Token: SeBackupPrivilege 1268 WMIC.exe Token: SeRestorePrivilege 1268 WMIC.exe Token: SeShutdownPrivilege 1268 WMIC.exe Token: SeDebugPrivilege 1268 WMIC.exe Token: SeSystemEnvironmentPrivilege 1268 WMIC.exe Token: SeRemoteShutdownPrivilege 1268 WMIC.exe Token: SeUndockPrivilege 1268 WMIC.exe Token: SeManageVolumePrivilege 1268 WMIC.exe Token: 33 1268 WMIC.exe Token: 34 1268 WMIC.exe Token: 35 1268 WMIC.exe Token: 36 1268 WMIC.exe Token: SeIncreaseQuotaPrivilege 1268 WMIC.exe Token: SeSecurityPrivilege 1268 WMIC.exe Token: SeTakeOwnershipPrivilege 1268 WMIC.exe Token: SeLoadDriverPrivilege 1268 WMIC.exe Token: SeSystemProfilePrivilege 1268 WMIC.exe Token: SeSystemtimePrivilege 1268 WMIC.exe Token: SeProfSingleProcessPrivilege 1268 WMIC.exe Token: SeIncBasePriorityPrivilege 1268 WMIC.exe Token: SeCreatePagefilePrivilege 1268 WMIC.exe Token: SeBackupPrivilege 1268 WMIC.exe Token: SeRestorePrivilege 1268 WMIC.exe Token: SeShutdownPrivilege 1268 WMIC.exe Token: SeDebugPrivilege 1268 WMIC.exe Token: SeSystemEnvironmentPrivilege 1268 WMIC.exe Token: SeRemoteShutdownPrivilege 1268 WMIC.exe Token: SeUndockPrivilege 1268 WMIC.exe Token: SeManageVolumePrivilege 1268 WMIC.exe Token: 33 1268 WMIC.exe Token: 34 1268 WMIC.exe Token: 35 1268 WMIC.exe Token: 36 1268 WMIC.exe Token: SeBackupPrivilege 384 vssvc.exe Token: SeRestorePrivilege 384 vssvc.exe Token: SeAuditPrivilege 384 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4968 !WannaDecryptor!.exe 4968 !WannaDecryptor!.exe 4496 !WannaDecryptor!.exe 4496 !WannaDecryptor!.exe 3940 !WannaDecryptor!.exe 3940 !WannaDecryptor!.exe 232 !WannaDecryptor!.exe 232 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2024 wrote to memory of 4812 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2024 wrote to memory of 4812 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2024 wrote to memory of 4812 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4812 wrote to memory of 3772 4812 cmd.exe cscript.exe PID 4812 wrote to memory of 3772 4812 cmd.exe cscript.exe PID 4812 wrote to memory of 3772 4812 cmd.exe cscript.exe PID 2024 wrote to memory of 4968 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 4968 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 4968 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 2156 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 2156 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 2156 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4308 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4308 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4308 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4348 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4348 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4348 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4904 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4904 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4904 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2024 wrote to memory of 4496 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 4496 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 4496 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 2592 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2024 wrote to memory of 2592 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2024 wrote to memory of 2592 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2592 wrote to memory of 3940 2592 cmd.exe !WannaDecryptor!.exe PID 2592 wrote to memory of 3940 2592 cmd.exe !WannaDecryptor!.exe PID 2592 wrote to memory of 3940 2592 cmd.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 232 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 232 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2024 wrote to memory of 232 2024 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3940 wrote to memory of 1940 3940 !WannaDecryptor!.exe cmd.exe PID 3940 wrote to memory of 1940 3940 !WannaDecryptor!.exe cmd.exe PID 3940 wrote to memory of 1940 3940 !WannaDecryptor!.exe cmd.exe PID 1940 wrote to memory of 1268 1940 cmd.exe WMIC.exe PID 1940 wrote to memory of 1268 1940 cmd.exe WMIC.exe PID 1940 wrote to memory of 1268 1940 cmd.exe WMIC.exe -
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\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:2024 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 291941715626968.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3772
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4968 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2156 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4308 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4348 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4904 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4496 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3940 -
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:1940 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1268 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:232
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD522c8575fd8c6a00cfb1f83ccf5309a8b
SHA16843cba9a493dc7884145a93d92de343d77e8114
SHA25619c62a66a37810ae2e42d908f9f59b0c4140688728ccb1781783e7bc9a2d12e4
SHA51204ffbcf8684d50362404c0136f4702934afd0ba457f5610b6acefc25f166fa28c787bfb17f06481f68f63f39e98c23824d6976542ec3690f614ca284b5b5bc2e
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5f8546b62a968012be5be9ee0c491e520
SHA16fa771fdd222e1accfd492a25f0d30ec576b89c0
SHA256e0b67479842b6081e1697e0aa593ab21036989aed82f8673246b789208a4446c
SHA512f637a51508cde7f72abe9d6858545ceec641ad67377738d6702252b42a6fd8501c18865caf235570000be4e6f76a66c11b7c4b8016b875dacc596415f48e865b
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5c7f9f6f19d091cb197ee05f5e366e444
SHA1b12a750becd96e94b0856f162d2afac7555f7b96
SHA25687766a6971a21b365a7f91cb9c4a83460dd47fa3572f8bb4e4cbe3c7e873a441
SHA512993513733882d36dfa2703077513fb108c78f1580ad61b2a0dfdd8552f26c0bf44873f5e27966aefde01a7f0fe2523b216b5f015c8217670886266408f50527a
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5183f856d505f8d041170d00a03526863
SHA135b53a5504399a678916654df617a85d105c2458
SHA25691f261f427eebc061e37cc40e84dea3caea17b198c7103911efa9dfeb667821a
SHA512ff0ce793c1b5549f14e35efb8e66193cba32dffff34686b7daaf02b52e0742079e4066f930947f20ea2fc078455678c93b60057886930ddfa9b869d7927cdc17
-
C:\Users\Admin\AppData\Local\Temp\291941715626968.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
-
C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
-
C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD56da8c88c3bf1fc6d1ea6eef685697ee3
SHA13757fc7a47dffc119acd768b28f099627f3e32a5
SHA25662387a669dd2eaf59e40d27b3f5b5ab45e8d5d0087e8979b7a4fd04a51863a84
SHA512e89de7b785767a512e64b78d2112c8da2b3b0b0b78529474a25105fe0c5fdaecb1b388f428bc840883855a032ef4ed31184a80e33e63a90b0b4b7415b4ba2b4c
-
C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
C:\Users\Admin\AppData\Local\Temp\u.wryFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
-
memory/2024-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB