Analysis
-
max time kernel
146s -
max time network
94s -
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\Windows\Start Menu\Programs\Startup\~SD505C.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5073.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 5004 !WannaDecryptor!.exe 2948 !WannaDecryptor!.exe 1276 !WannaDecryptor!.exe 4516 !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 2068 taskkill.exe 1352 taskkill.exe 3628 taskkill.exe 60 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2068 taskkill.exe Token: SeDebugPrivilege 60 taskkill.exe Token: SeDebugPrivilege 1352 taskkill.exe Token: SeDebugPrivilege 3628 taskkill.exe Token: SeIncreaseQuotaPrivilege 4128 WMIC.exe Token: SeSecurityPrivilege 4128 WMIC.exe Token: SeTakeOwnershipPrivilege 4128 WMIC.exe Token: SeLoadDriverPrivilege 4128 WMIC.exe Token: SeSystemProfilePrivilege 4128 WMIC.exe Token: SeSystemtimePrivilege 4128 WMIC.exe Token: SeProfSingleProcessPrivilege 4128 WMIC.exe Token: SeIncBasePriorityPrivilege 4128 WMIC.exe Token: SeCreatePagefilePrivilege 4128 WMIC.exe Token: SeBackupPrivilege 4128 WMIC.exe Token: SeRestorePrivilege 4128 WMIC.exe Token: SeShutdownPrivilege 4128 WMIC.exe Token: SeDebugPrivilege 4128 WMIC.exe Token: SeSystemEnvironmentPrivilege 4128 WMIC.exe Token: SeRemoteShutdownPrivilege 4128 WMIC.exe Token: SeUndockPrivilege 4128 WMIC.exe Token: SeManageVolumePrivilege 4128 WMIC.exe Token: 33 4128 WMIC.exe Token: 34 4128 WMIC.exe Token: 35 4128 WMIC.exe Token: 36 4128 WMIC.exe Token: SeIncreaseQuotaPrivilege 4128 WMIC.exe Token: SeSecurityPrivilege 4128 WMIC.exe Token: SeTakeOwnershipPrivilege 4128 WMIC.exe Token: SeLoadDriverPrivilege 4128 WMIC.exe Token: SeSystemProfilePrivilege 4128 WMIC.exe Token: SeSystemtimePrivilege 4128 WMIC.exe Token: SeProfSingleProcessPrivilege 4128 WMIC.exe Token: SeIncBasePriorityPrivilege 4128 WMIC.exe Token: SeCreatePagefilePrivilege 4128 WMIC.exe Token: SeBackupPrivilege 4128 WMIC.exe Token: SeRestorePrivilege 4128 WMIC.exe Token: SeShutdownPrivilege 4128 WMIC.exe Token: SeDebugPrivilege 4128 WMIC.exe Token: SeSystemEnvironmentPrivilege 4128 WMIC.exe Token: SeRemoteShutdownPrivilege 4128 WMIC.exe Token: SeUndockPrivilege 4128 WMIC.exe Token: SeManageVolumePrivilege 4128 WMIC.exe Token: 33 4128 WMIC.exe Token: 34 4128 WMIC.exe Token: 35 4128 WMIC.exe Token: 36 4128 WMIC.exe Token: SeBackupPrivilege 1272 vssvc.exe Token: SeRestorePrivilege 1272 vssvc.exe Token: SeAuditPrivilege 1272 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 5004 !WannaDecryptor!.exe 5004 !WannaDecryptor!.exe 2948 !WannaDecryptor!.exe 2948 !WannaDecryptor!.exe 1276 !WannaDecryptor!.exe 1276 !WannaDecryptor!.exe 4516 !WannaDecryptor!.exe 4516 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1640 wrote to memory of 3108 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1640 wrote to memory of 3108 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1640 wrote to memory of 3108 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3108 wrote to memory of 2808 3108 cmd.exe cscript.exe PID 3108 wrote to memory of 2808 3108 cmd.exe cscript.exe PID 3108 wrote to memory of 2808 3108 cmd.exe cscript.exe PID 1640 wrote to memory of 5004 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 5004 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 5004 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 2068 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 2068 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 2068 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 60 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 60 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 60 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 3628 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 3628 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 3628 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 1352 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 1352 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 1352 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1640 wrote to memory of 2948 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 2948 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 2948 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 396 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1640 wrote to memory of 396 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1640 wrote to memory of 396 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 396 wrote to memory of 1276 396 cmd.exe !WannaDecryptor!.exe PID 396 wrote to memory of 1276 396 cmd.exe !WannaDecryptor!.exe PID 396 wrote to memory of 1276 396 cmd.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 4516 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 4516 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1640 wrote to memory of 4516 1640 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1276 wrote to memory of 3644 1276 !WannaDecryptor!.exe cmd.exe PID 1276 wrote to memory of 3644 1276 !WannaDecryptor!.exe cmd.exe PID 1276 wrote to memory of 3644 1276 !WannaDecryptor!.exe cmd.exe PID 3644 wrote to memory of 4128 3644 cmd.exe WMIC.exe PID 3644 wrote to memory of 4128 3644 cmd.exe WMIC.exe PID 3644 wrote to memory of 4128 3644 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:1640 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 128171715396616.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2808
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5004 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2068 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:60 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3628 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1352 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2948 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1276 -
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:3644 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4128 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4516
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1272
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
MD59e7ac03b30a919349534ece415618d97
SHA10d2c367cf5201c9a3cbc387512ab9b2f3f2d9629
SHA25694362be73751944aaf322aff130971b432cf6aea4e4594bbb0cfc6f1abffc2d4
SHA5124eda9a5d448fb1474d92259a865a3c01be9b9378a6e6e63f493f41fd1f12a782cbf85c869cb8fff031321d1d596e0cfa853134dc8b17960cf90031de6ba70d87
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD53e6ea99a9d84c5306c7c747ed0a5ff63
SHA1ffcd0583adbad794eed0bb9068e9d6304f7dd69e
SHA256e2196884b0c9c49ac799550d5c525b47b810b75d286d76f0a93e64ab30e09edb
SHA512b956f1020721f4c511a40b7c0dc9327e6baa825f316f0ed1765200280cb341d55a19d9757638371bd0d9d74f624afb157cb44741a1a378938bafaf843edd551e
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5fc01b00a8aaab85640907ceaf89c4a6e
SHA1c3c96c4c46de544bcf33c1e7b4b311d3ef168067
SHA2562fda8c1959bd9428e17e3ad45723fb9dd919a9f5f5c22a569883da0b5b26e787
SHA512deefd12642677339aafc0506b0709233ca970e5e03fbeb14dcea31d77b3e9425fdab9ab8f0ee98fe8ca438e4e5d2823067e003de66a5bbd5edf3366854fadb7c
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD556af2b329d6005e9b3c10175111b490c
SHA167c67853884362d627813ee89b69b664a0900b02
SHA256789c59c794ec266c1651acc0699dbbccc7ecddd81601e69e843fe1d0ce977f23
SHA512187163f0eb6fc6a67c8872dc3ae4067dc4854f93d3620580c1171c540fe845b642ebf771f5c896a61fee16bb3a2fb825a7dc7cf9f0e9a8cd3b9be175b08d6e92
-
C:\Users\Admin\AppData\Local\Temp\128171715396616.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
MD583f47befe3ac5865c5b3df8de87820d0
SHA1dbab482fe7408364fb92cd5fa4a57a1b36b773b6
SHA256095c0bb8a74c2edce778bcf45c436b0c10fb472b29982182a105ca3d79517fb2
SHA512446dbcb51028cfaaf720237ede60332e1e556e35d154a633b23f9ec9daa38d67caa8f1768c6d25221c58cef37a4d12df0461940a3cbb91211344c13b0ae0777f
-
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/1640-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB