Analysis
-
max time kernel
148s -
max time network
140s -
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 19:03
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-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\~SD8EF5.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8F1B.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4244 !WannaDecryptor!.exe 5028 !WannaDecryptor!.exe 1112 !WannaDecryptor!.exe 3708 !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-1-5-21-711569230-3659488422-571408806-1000\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 4384 taskkill.exe 1088 taskkill.exe 4400 taskkill.exe 1068 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4384 taskkill.exe Token: SeDebugPrivilege 1088 taskkill.exe Token: SeDebugPrivilege 1068 taskkill.exe Token: SeDebugPrivilege 4400 taskkill.exe Token: SeIncreaseQuotaPrivilege 3736 WMIC.exe Token: SeSecurityPrivilege 3736 WMIC.exe Token: SeTakeOwnershipPrivilege 3736 WMIC.exe Token: SeLoadDriverPrivilege 3736 WMIC.exe Token: SeSystemProfilePrivilege 3736 WMIC.exe Token: SeSystemtimePrivilege 3736 WMIC.exe Token: SeProfSingleProcessPrivilege 3736 WMIC.exe Token: SeIncBasePriorityPrivilege 3736 WMIC.exe Token: SeCreatePagefilePrivilege 3736 WMIC.exe Token: SeBackupPrivilege 3736 WMIC.exe Token: SeRestorePrivilege 3736 WMIC.exe Token: SeShutdownPrivilege 3736 WMIC.exe Token: SeDebugPrivilege 3736 WMIC.exe Token: SeSystemEnvironmentPrivilege 3736 WMIC.exe Token: SeRemoteShutdownPrivilege 3736 WMIC.exe Token: SeUndockPrivilege 3736 WMIC.exe Token: SeManageVolumePrivilege 3736 WMIC.exe Token: 33 3736 WMIC.exe Token: 34 3736 WMIC.exe Token: 35 3736 WMIC.exe Token: 36 3736 WMIC.exe Token: SeIncreaseQuotaPrivilege 3736 WMIC.exe Token: SeSecurityPrivilege 3736 WMIC.exe Token: SeTakeOwnershipPrivilege 3736 WMIC.exe Token: SeLoadDriverPrivilege 3736 WMIC.exe Token: SeSystemProfilePrivilege 3736 WMIC.exe Token: SeSystemtimePrivilege 3736 WMIC.exe Token: SeProfSingleProcessPrivilege 3736 WMIC.exe Token: SeIncBasePriorityPrivilege 3736 WMIC.exe Token: SeCreatePagefilePrivilege 3736 WMIC.exe Token: SeBackupPrivilege 3736 WMIC.exe Token: SeRestorePrivilege 3736 WMIC.exe Token: SeShutdownPrivilege 3736 WMIC.exe Token: SeDebugPrivilege 3736 WMIC.exe Token: SeSystemEnvironmentPrivilege 3736 WMIC.exe Token: SeRemoteShutdownPrivilege 3736 WMIC.exe Token: SeUndockPrivilege 3736 WMIC.exe Token: SeManageVolumePrivilege 3736 WMIC.exe Token: 33 3736 WMIC.exe Token: 34 3736 WMIC.exe Token: 35 3736 WMIC.exe Token: 36 3736 WMIC.exe Token: SeBackupPrivilege 900 vssvc.exe Token: SeRestorePrivilege 900 vssvc.exe Token: SeAuditPrivilege 900 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4244 !WannaDecryptor!.exe 4244 !WannaDecryptor!.exe 5028 !WannaDecryptor!.exe 5028 !WannaDecryptor!.exe 1112 !WannaDecryptor!.exe 1112 !WannaDecryptor!.exe 3708 !WannaDecryptor!.exe 3708 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3192 wrote to memory of 4060 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3192 wrote to memory of 4060 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3192 wrote to memory of 4060 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4060 wrote to memory of 5112 4060 cmd.exe cscript.exe PID 4060 wrote to memory of 5112 4060 cmd.exe cscript.exe PID 4060 wrote to memory of 5112 4060 cmd.exe cscript.exe PID 3192 wrote to memory of 4244 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 4244 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 4244 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 1068 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 1068 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 1068 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 4384 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 4384 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 4384 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 4400 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 4400 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 4400 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 1088 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 1088 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 1088 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3192 wrote to memory of 5028 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 5028 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 5028 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 5024 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3192 wrote to memory of 5024 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3192 wrote to memory of 5024 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 5024 wrote to memory of 1112 5024 cmd.exe !WannaDecryptor!.exe PID 5024 wrote to memory of 1112 5024 cmd.exe !WannaDecryptor!.exe PID 5024 wrote to memory of 1112 5024 cmd.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 3708 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 3708 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3192 wrote to memory of 3708 3192 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1112 wrote to memory of 2744 1112 !WannaDecryptor!.exe cmd.exe PID 1112 wrote to memory of 2744 1112 !WannaDecryptor!.exe cmd.exe PID 1112 wrote to memory of 2744 1112 !WannaDecryptor!.exe cmd.exe PID 2744 wrote to memory of 3736 2744 cmd.exe WMIC.exe PID 2744 wrote to memory of 3736 2744 cmd.exe WMIC.exe PID 2744 wrote to memory of 3736 2744 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:3192 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 288791715627068.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:5112
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4244 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1068 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4384 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4400 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1088 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5028 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112 -
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:2744 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3736 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3708
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:900
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
MD5ee4195fe1476441efadde881f272fb43
SHA17e1789a27d5562d46d73f67405285c8557cc0a81
SHA256d6ba0ec5139035b357fe0ce5b98d40e80adbdc3d77c375d5a8a61df0997e93f4
SHA5125ab0046a7b0fdae8b5601ae1d8633c75733845fbfa41fa703aad980cd8cc7d9a0661a4c4f6f701ca481e27d3c45fb11b2c990bf1a78013c19afe7c401872ba27
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5034cfc87e85d4d63bd22a7ecf59e821c
SHA1e500ccb2b7741e44cc8204f510906b29c586fa9c
SHA2565ffd3aa748932b0ec1e3652e781bc430efc0f7a21d5abd3f4674286ab43ccce4
SHA51246b27575d5e9e3704e72feeeeda050fb68bc5ba3589b6bd96fcedce225c2e019a23dd0ad7f1e83852060b132f96b1766139cc799a57ce58ddc2637d7fe7079b3
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD59b47ce899a97693aa1678653089bdcab
SHA1fe1917c1518ab485ca26a8ee061f4ba219a9fa0f
SHA256b00cce4520b07f9a257fa85082265d02419bfe5c025435c006954291620c58f3
SHA512c37e8da03bfd25765ca4ca244b9fcd7ece61ddfaf1e1fe04473f9399cbb07b5f564d9111eb0d09e58e4c8a6d0868c2b6672109602344a07f39fb22d4b225eb98
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD503c999e022e047f9cf1ba7e70c9a4fad
SHA130304610a7a4278ee912db6d93a4d8424df4e46c
SHA2563c09c33fd6c31d554aea766e7349cb3a5473a53b214b8ea18c85b16f193e7e8b
SHA512e07f636f126292c58dbc78c9fb809126b992991de362d2e61e5155a384e1125d15f5eb9f0572ae12a575e993344f15b98dae18ae61f4f31db1017d8aae1606a2
-
C:\Users\Admin\AppData\Local\Temp\288791715627068.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
MD5257ed49743a4f4ccaaa91d9716afc8d7
SHA1b8ca7b6e019ccce2a9bc490fa5b02f3c0efd8800
SHA256ecda1ae80108d8cbf40224450378ada2387448f8e2a9e4962f2b57e38c87e6ce
SHA5123f6f0f96bc20ad5678f768931b356c8d935cf14eb2788763939740c3c72c9c9e0d6a2ed961584a947da3661f4770091b4e6e6c6014f19487177bca1b2a453e14
-
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/3192-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB