Analysis
-
max time kernel
148s -
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
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
win10v2004-20240508-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\~SD5A30.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5A56.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2044 !WannaDecryptor!.exe 2292 !WannaDecryptor!.exe 4404 !WannaDecryptor!.exe 3976 !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 2588 taskkill.exe 1576 taskkill.exe 4360 taskkill.exe 4268 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1576 taskkill.exe Token: SeDebugPrivilege 4360 taskkill.exe Token: SeDebugPrivilege 4268 taskkill.exe Token: SeDebugPrivilege 2588 taskkill.exe Token: SeIncreaseQuotaPrivilege 1212 WMIC.exe Token: SeSecurityPrivilege 1212 WMIC.exe Token: SeTakeOwnershipPrivilege 1212 WMIC.exe Token: SeLoadDriverPrivilege 1212 WMIC.exe Token: SeSystemProfilePrivilege 1212 WMIC.exe Token: SeSystemtimePrivilege 1212 WMIC.exe Token: SeProfSingleProcessPrivilege 1212 WMIC.exe Token: SeIncBasePriorityPrivilege 1212 WMIC.exe Token: SeCreatePagefilePrivilege 1212 WMIC.exe Token: SeBackupPrivilege 1212 WMIC.exe Token: SeRestorePrivilege 1212 WMIC.exe Token: SeShutdownPrivilege 1212 WMIC.exe Token: SeDebugPrivilege 1212 WMIC.exe Token: SeSystemEnvironmentPrivilege 1212 WMIC.exe Token: SeRemoteShutdownPrivilege 1212 WMIC.exe Token: SeUndockPrivilege 1212 WMIC.exe Token: SeManageVolumePrivilege 1212 WMIC.exe Token: 33 1212 WMIC.exe Token: 34 1212 WMIC.exe Token: 35 1212 WMIC.exe Token: 36 1212 WMIC.exe Token: SeIncreaseQuotaPrivilege 1212 WMIC.exe Token: SeSecurityPrivilege 1212 WMIC.exe Token: SeTakeOwnershipPrivilege 1212 WMIC.exe Token: SeLoadDriverPrivilege 1212 WMIC.exe Token: SeSystemProfilePrivilege 1212 WMIC.exe Token: SeSystemtimePrivilege 1212 WMIC.exe Token: SeProfSingleProcessPrivilege 1212 WMIC.exe Token: SeIncBasePriorityPrivilege 1212 WMIC.exe Token: SeCreatePagefilePrivilege 1212 WMIC.exe Token: SeBackupPrivilege 1212 WMIC.exe Token: SeRestorePrivilege 1212 WMIC.exe Token: SeShutdownPrivilege 1212 WMIC.exe Token: SeDebugPrivilege 1212 WMIC.exe Token: SeSystemEnvironmentPrivilege 1212 WMIC.exe Token: SeRemoteShutdownPrivilege 1212 WMIC.exe Token: SeUndockPrivilege 1212 WMIC.exe Token: SeManageVolumePrivilege 1212 WMIC.exe Token: 33 1212 WMIC.exe Token: 34 1212 WMIC.exe Token: 35 1212 WMIC.exe Token: 36 1212 WMIC.exe Token: SeBackupPrivilege 2540 vssvc.exe Token: SeRestorePrivilege 2540 vssvc.exe Token: SeAuditPrivilege 2540 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2044 !WannaDecryptor!.exe 2044 !WannaDecryptor!.exe 2292 !WannaDecryptor!.exe 2292 !WannaDecryptor!.exe 4404 !WannaDecryptor!.exe 4404 !WannaDecryptor!.exe 3976 !WannaDecryptor!.exe 3976 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2264 wrote to memory of 1700 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2264 wrote to memory of 1700 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2264 wrote to memory of 1700 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1700 wrote to memory of 4884 1700 cmd.exe cscript.exe PID 1700 wrote to memory of 4884 1700 cmd.exe cscript.exe PID 1700 wrote to memory of 4884 1700 cmd.exe cscript.exe PID 2264 wrote to memory of 2044 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 2044 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 2044 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 2588 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 2588 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 2588 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 4268 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 4268 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 4268 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 1576 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 1576 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 1576 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 4360 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 4360 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 4360 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2264 wrote to memory of 2292 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 2292 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 2292 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 4992 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2264 wrote to memory of 4992 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2264 wrote to memory of 4992 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4992 wrote to memory of 4404 4992 cmd.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 4404 4992 cmd.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 4404 4992 cmd.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 3976 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 3976 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2264 wrote to memory of 3976 2264 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4404 wrote to memory of 4224 4404 !WannaDecryptor!.exe cmd.exe PID 4404 wrote to memory of 4224 4404 !WannaDecryptor!.exe cmd.exe PID 4404 wrote to memory of 4224 4404 !WannaDecryptor!.exe cmd.exe PID 4224 wrote to memory of 1212 4224 cmd.exe WMIC.exe PID 4224 wrote to memory of 1212 4224 cmd.exe WMIC.exe PID 4224 wrote to memory of 1212 4224 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:2264 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 193971715626996.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4884
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2044 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2588 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4268 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1576 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4360 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2292 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4404 -
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:4224 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3976
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2540
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
MD5d0e4ee698a67ac4622aba48943d3349d
SHA11018690e3058e2ef05d0285c8829a1eeeff83763
SHA256cddb7f83f6a962fa16b10ad7e70a4e01d48477dcfa86325ec99a8e4896bcf47d
SHA512c934bf325ffcd4d64737c38081186e0cb53c5dc22d817cfb72c2151935e77816935ad782f1a1fcb76243d8567365518a429335feed1c7494c13cd544532fe56e
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD500a86de6eb4e8ed6ea9c6b0790efc121
SHA1a3ad01cb67ba8ed29234ddc746f69a393076cf31
SHA25663730def3ee65b9c15f3a7f820a016bcdf3e61cbb05d7a7d6cfd682faa047455
SHA512579552e1b02996cff9a9f889133605e6cb92850efab96b5fd2245e8909bc4c091a9aab1a14e903cf0bca117a30b838a89fc2253cf0c34b71cd06c0c48b01aa60
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD58ea4d05e583ec64b5fd2ca553f3590c3
SHA1ee5716f89760e9ba3cad6dde31d000e92d0cd6e1
SHA256394823f1241d824dbc4e5578d1e0c0cd6e07929b7f5f0e61f67e485a59d5dbc0
SHA512a1d76ef53bd1b924b80a0c587b224cebe38412e8248840945d6aab0ecd9fa437b4fff63440e5b3b786a42ee0fc42f33cb9a7c3b14e717b7a83fdf6ea807063aa
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD51b0f42eb315a97a4b61cc7c0b780d36b
SHA16cc2a94ca088274efe1d897822a72d58b5bc4256
SHA256825413afdfcdf0530702a3458e5fb8648a841ca65464cc5c77bd6f1f8d5f1c23
SHA512e90fe358b55d63eb766a37d8a2e83fdaf56bc06ddde1dd8d2ab8fe473643eda0275a02d2217968db55addafd577b5e05e6c5a123574fcc600338ad1ac88f988e
-
C:\Users\Admin\AppData\Local\Temp\193971715626996.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
MD5d542f64a8cf859df9f3c8ea1e3683fbf
SHA1811f2f82a1452e9d00b91f017e275c2d5a445e62
SHA2561e87c9f0908bb9ca6af04b4863a3c2e4a374701627f048176f60fd21dc280875
SHA5120fd5f4da5b80f33ebf80d8fad8ba658ba646174e0ead7e5105898004b0afe08b5d2e45506c7427d26cf222403172ef9397168283d7c0fdeefa172c9bbac3b89b
-
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/2264-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB