Analysis
-
max time kernel
149s -
max time network
98s -
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 03:09
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\~SD56FD.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5ADD.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2776 !WannaDecryptor!.exe 1736 !WannaDecryptor!.exe 4676 !WannaDecryptor!.exe 1480 !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-1-5-21-1337824034-2731376981-3755436523-1000\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 3736 taskkill.exe 2296 taskkill.exe 3256 taskkill.exe 2408 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3256 taskkill.exe Token: SeDebugPrivilege 3736 taskkill.exe Token: SeDebugPrivilege 2296 taskkill.exe Token: SeDebugPrivilege 2408 taskkill.exe Token: SeIncreaseQuotaPrivilege 1908 WMIC.exe Token: SeSecurityPrivilege 1908 WMIC.exe Token: SeTakeOwnershipPrivilege 1908 WMIC.exe Token: SeLoadDriverPrivilege 1908 WMIC.exe Token: SeSystemProfilePrivilege 1908 WMIC.exe Token: SeSystemtimePrivilege 1908 WMIC.exe Token: SeProfSingleProcessPrivilege 1908 WMIC.exe Token: SeIncBasePriorityPrivilege 1908 WMIC.exe Token: SeCreatePagefilePrivilege 1908 WMIC.exe Token: SeBackupPrivilege 1908 WMIC.exe Token: SeRestorePrivilege 1908 WMIC.exe Token: SeShutdownPrivilege 1908 WMIC.exe Token: SeDebugPrivilege 1908 WMIC.exe Token: SeSystemEnvironmentPrivilege 1908 WMIC.exe Token: SeRemoteShutdownPrivilege 1908 WMIC.exe Token: SeUndockPrivilege 1908 WMIC.exe Token: SeManageVolumePrivilege 1908 WMIC.exe Token: 33 1908 WMIC.exe Token: 34 1908 WMIC.exe Token: 35 1908 WMIC.exe Token: 36 1908 WMIC.exe Token: SeIncreaseQuotaPrivilege 1908 WMIC.exe Token: SeSecurityPrivilege 1908 WMIC.exe Token: SeTakeOwnershipPrivilege 1908 WMIC.exe Token: SeLoadDriverPrivilege 1908 WMIC.exe Token: SeSystemProfilePrivilege 1908 WMIC.exe Token: SeSystemtimePrivilege 1908 WMIC.exe Token: SeProfSingleProcessPrivilege 1908 WMIC.exe Token: SeIncBasePriorityPrivilege 1908 WMIC.exe Token: SeCreatePagefilePrivilege 1908 WMIC.exe Token: SeBackupPrivilege 1908 WMIC.exe Token: SeRestorePrivilege 1908 WMIC.exe Token: SeShutdownPrivilege 1908 WMIC.exe Token: SeDebugPrivilege 1908 WMIC.exe Token: SeSystemEnvironmentPrivilege 1908 WMIC.exe Token: SeRemoteShutdownPrivilege 1908 WMIC.exe Token: SeUndockPrivilege 1908 WMIC.exe Token: SeManageVolumePrivilege 1908 WMIC.exe Token: 33 1908 WMIC.exe Token: 34 1908 WMIC.exe Token: 35 1908 WMIC.exe Token: 36 1908 WMIC.exe Token: SeBackupPrivilege 4980 vssvc.exe Token: SeRestorePrivilege 4980 vssvc.exe Token: SeAuditPrivilege 4980 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2776 !WannaDecryptor!.exe 2776 !WannaDecryptor!.exe 1736 !WannaDecryptor!.exe 1736 !WannaDecryptor!.exe 4676 !WannaDecryptor!.exe 4676 !WannaDecryptor!.exe 1480 !WannaDecryptor!.exe 1480 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3224 wrote to memory of 3456 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3224 wrote to memory of 3456 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3224 wrote to memory of 3456 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3456 wrote to memory of 1392 3456 cmd.exe cscript.exe PID 3456 wrote to memory of 1392 3456 cmd.exe cscript.exe PID 3456 wrote to memory of 1392 3456 cmd.exe cscript.exe PID 3224 wrote to memory of 2776 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 2776 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 2776 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 2296 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 2296 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 2296 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 3736 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 3736 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 3736 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 3256 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 3256 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 3256 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 2408 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 2408 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 2408 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3224 wrote to memory of 1736 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 1736 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 1736 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 1980 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3224 wrote to memory of 1980 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3224 wrote to memory of 1980 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1980 wrote to memory of 4676 1980 cmd.exe !WannaDecryptor!.exe PID 1980 wrote to memory of 4676 1980 cmd.exe !WannaDecryptor!.exe PID 1980 wrote to memory of 4676 1980 cmd.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 1480 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 1480 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3224 wrote to memory of 1480 3224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4676 wrote to memory of 5068 4676 !WannaDecryptor!.exe cmd.exe PID 4676 wrote to memory of 5068 4676 !WannaDecryptor!.exe cmd.exe PID 4676 wrote to memory of 5068 4676 !WannaDecryptor!.exe cmd.exe PID 5068 wrote to memory of 1908 5068 cmd.exe WMIC.exe PID 5068 wrote to memory of 1908 5068 cmd.exe WMIC.exe PID 5068 wrote to memory of 1908 5068 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:3224 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 210301715396963.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3456 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1392
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2776 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2296 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3736 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3256 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2408 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1736 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4676 -
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:5068 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1908 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1480
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4980
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
MD5c9e67bf939b6e6cc0cef4c875d651c39
SHA171a3cd8fe24eebe46ee769bd4d1285dee01486ee
SHA256df12bc56921cf5d416b5bb373376940fa5171eaff578f5d8b2417f35029f58ef
SHA51274c9f50655647fea4a3ad6f49b4e298df8809b0aa8489f21e7c012fab48e0976266d2e5a8018498ae6fff585ebce9d88c9bd0f7113b31d0caa857d0e71de090f
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD59a34676ce5b044eaf6a3280d9b4ca200
SHA1be5d84763821e7d4744bc6d3b4574d10f2c83362
SHA25667b5ec2a04836d83ccd2566cb70d78e0e2af53abe4b1f5ea15b0243e930f14e9
SHA512216cfbfb4d0a4904813b71f5eaed35cb2b6c0a42d0e7363d6891f97c5b0c7cc014a3f3d964ec676159b2cbdcb6bc626ff53119a255da260485bf5bfdf438e950
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD56cf199fcecb964bc9b8342182fee70bc
SHA141cecdf96bea7db5fa03be10cd0898ad969dc7c3
SHA25654aa2d911d01231a2acfed0fa32c0bb9d1eea9f2a25783cb62a80218a77192c6
SHA5127d9cf246528d436f1340c50fce4080d1e79890fbc23bac182746f2cc490a2c404b84fc1144ab945401d9436e039718034778e559163b278609bfc09f8f5f0b45
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5f55a17a6ec7c3efdbb702c1550820cf2
SHA101841eb75e0f01b1370fa7bf9de107de47d75a19
SHA2564299fbcff1361e3c0f135b7faedd4f1e24963741b420e66d6891e375d75fa568
SHA512df2f55522fae0fa9e4a53472b978c53a6c6beb570b65dbb3472a1ecbe8d578a687382e7f9ff62a17b41557dc7fdb3e45b88b206ead0dba3c1f9bdc2289bb2bbe
-
C:\Users\Admin\AppData\Local\Temp\210301715396963.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
MD5e045444dd35c4b9c6558c23842dfd6f6
SHA172fac8ba0b6367b3d1e9649f5e548cba8650250b
SHA2561e7545e730780113ee6f60e2ad552c5ca137e8bc5feb583d47cc9f557358f196
SHA5122849df9ab649fcffa6eb0120ef51c5f10835030b67ee52bc612a2f693bcdf8d099b55deea03c22aa5e565dcf7fa48e04b3c4013b72b3d9561fb7c74ce764807f
-
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/3224-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB