Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:03
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\Word\STARTUP\~SD8176.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD815F.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1468 !WannaDecryptor!.exe 2700 !WannaDecryptor!.exe 1572 !WannaDecryptor!.exe 3240 !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 3504 taskkill.exe 3296 taskkill.exe 3556 taskkill.exe 1552 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3556 taskkill.exe Token: SeDebugPrivilege 3296 taskkill.exe Token: SeDebugPrivilege 1552 taskkill.exe Token: SeDebugPrivilege 3504 taskkill.exe Token: SeIncreaseQuotaPrivilege 1584 WMIC.exe Token: SeSecurityPrivilege 1584 WMIC.exe Token: SeTakeOwnershipPrivilege 1584 WMIC.exe Token: SeLoadDriverPrivilege 1584 WMIC.exe Token: SeSystemProfilePrivilege 1584 WMIC.exe Token: SeSystemtimePrivilege 1584 WMIC.exe Token: SeProfSingleProcessPrivilege 1584 WMIC.exe Token: SeIncBasePriorityPrivilege 1584 WMIC.exe Token: SeCreatePagefilePrivilege 1584 WMIC.exe Token: SeBackupPrivilege 1584 WMIC.exe Token: SeRestorePrivilege 1584 WMIC.exe Token: SeShutdownPrivilege 1584 WMIC.exe Token: SeDebugPrivilege 1584 WMIC.exe Token: SeSystemEnvironmentPrivilege 1584 WMIC.exe Token: SeRemoteShutdownPrivilege 1584 WMIC.exe Token: SeUndockPrivilege 1584 WMIC.exe Token: SeManageVolumePrivilege 1584 WMIC.exe Token: 33 1584 WMIC.exe Token: 34 1584 WMIC.exe Token: 35 1584 WMIC.exe Token: 36 1584 WMIC.exe Token: SeIncreaseQuotaPrivilege 1584 WMIC.exe Token: SeSecurityPrivilege 1584 WMIC.exe Token: SeTakeOwnershipPrivilege 1584 WMIC.exe Token: SeLoadDriverPrivilege 1584 WMIC.exe Token: SeSystemProfilePrivilege 1584 WMIC.exe Token: SeSystemtimePrivilege 1584 WMIC.exe Token: SeProfSingleProcessPrivilege 1584 WMIC.exe Token: SeIncBasePriorityPrivilege 1584 WMIC.exe Token: SeCreatePagefilePrivilege 1584 WMIC.exe Token: SeBackupPrivilege 1584 WMIC.exe Token: SeRestorePrivilege 1584 WMIC.exe Token: SeShutdownPrivilege 1584 WMIC.exe Token: SeDebugPrivilege 1584 WMIC.exe Token: SeSystemEnvironmentPrivilege 1584 WMIC.exe Token: SeRemoteShutdownPrivilege 1584 WMIC.exe Token: SeUndockPrivilege 1584 WMIC.exe Token: SeManageVolumePrivilege 1584 WMIC.exe Token: 33 1584 WMIC.exe Token: 34 1584 WMIC.exe Token: 35 1584 WMIC.exe Token: 36 1584 WMIC.exe Token: SeBackupPrivilege 4412 vssvc.exe Token: SeRestorePrivilege 4412 vssvc.exe Token: SeAuditPrivilege 4412 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1468 !WannaDecryptor!.exe 1468 !WannaDecryptor!.exe 2700 !WannaDecryptor!.exe 2700 !WannaDecryptor!.exe 1572 !WannaDecryptor!.exe 1572 !WannaDecryptor!.exe 3240 !WannaDecryptor!.exe 3240 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2280 wrote to memory of 3260 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2280 wrote to memory of 3260 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2280 wrote to memory of 3260 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3260 wrote to memory of 4184 3260 cmd.exe cscript.exe PID 3260 wrote to memory of 4184 3260 cmd.exe cscript.exe PID 3260 wrote to memory of 4184 3260 cmd.exe cscript.exe PID 2280 wrote to memory of 1468 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 1468 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 1468 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 3556 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 3556 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 3556 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 1552 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 1552 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 1552 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 3296 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 3296 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 3296 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 3504 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 3504 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 3504 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2280 wrote to memory of 2700 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 2700 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 2700 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 4184 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2280 wrote to memory of 4184 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2280 wrote to memory of 4184 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4184 wrote to memory of 1572 4184 cmd.exe !WannaDecryptor!.exe PID 4184 wrote to memory of 1572 4184 cmd.exe !WannaDecryptor!.exe PID 4184 wrote to memory of 1572 4184 cmd.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 3240 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 3240 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2280 wrote to memory of 3240 2280 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1572 wrote to memory of 3312 1572 !WannaDecryptor!.exe cmd.exe PID 1572 wrote to memory of 3312 1572 !WannaDecryptor!.exe cmd.exe PID 1572 wrote to memory of 3312 1572 !WannaDecryptor!.exe cmd.exe PID 3312 wrote to memory of 1584 3312 cmd.exe WMIC.exe PID 3312 wrote to memory of 1584 3312 cmd.exe WMIC.exe PID 3312 wrote to memory of 1584 3312 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:2280 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 187271715396584.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4184
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1468 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3556 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1552 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3296 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3504 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2700 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4184 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1572 -
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:3312 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1584 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3240
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4412
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
MD55d127011333f44d85afb0c33a86c01f8
SHA179b06247b5bb2d99eebcf64fd5db8db6b653c6e8
SHA2560108398b72cb4e90efdf736a9f7ea0428f0c33401048d65445ce4af63b978c4b
SHA512bfe4f0253f2d2c17dd95245da71fe40cc2a2bdfb8e3fb3232d4294d529080b12066a48a11ed3016a514bdb08b4029a73bc24d9e64596a64659e5bfa528bf635c
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5df01a20327ef453db872d5f099137d78
SHA1a6a18cab9a9cd7cd110da2cb841044992028c589
SHA256d3a61ede267df50ceb953fd5b8051eca9df03239d3fd2563ba8db6b088b74a10
SHA512c936b28e1603f4635bb466f8313321639e4226036147328a8e81e6f448c706a59a1913b30528715a1d503a9667c1ca007182b7c37d1a3671ea214dd88ab3e66c
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD572d9e8d10a2b67724d77072e57239bad
SHA1bb7f739452f678a3fe44c0ae3958e6f0510efdbc
SHA2567afa537488df2e7c6f549d70c8406cb4899132184c1efbe87aadf919a1c48ce9
SHA5121b1061ee0a6898c953c624d1929eee9b6d8a37525c0ffcdf87b627f3afcfc5f3cd7ed749e5796f746e6bd0940737df73eaf6f791f9534e2fc58315b10a1dae3a
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD55b246ada206b45281f837268236ad04f
SHA11cd0488f146c5e66f9ee45d763a9c4f641f4a789
SHA2564f8972ec08a6bd24c89a87de85b47de1fecefae17f8e5442263039c04d020189
SHA5121a5e03d1d1c18eac3f8217ec894f34fcf824a5af84d079a08b09cc81525a00ec87858cb8157eacabf1fe401ba1c6be22ab1971958ed4c99ac6ee039825ea9cc7
-
C:\Users\Admin\AppData\Local\Temp\187271715396584.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
MD5179974b12371c35a9b4744911eadc08f
SHA18f5fe99b685b5a4b2ce3a9c770d553d3ebb13d94
SHA2563c4f1f2a2beed492343ea0a170629a3e4fd4a387b8276d7806d992dcc6db20ba
SHA512e8aa73c4df003b3eacbd0dcfaf3ae63952d2b06c99180ea8fd50a4e0cf225c67c3c74922427c119414d6bf1dde1fac124ae5db1b1f0d4b4ff1b5a9ffb26f850e
-
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/2280-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB