Analysis
-
max time kernel
149s -
max time network
99s -
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 19:04
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\~SD53B9.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD53CF.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2084 !WannaDecryptor!.exe 1480 !WannaDecryptor!.exe 1952 !WannaDecryptor!.exe 4292 !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 2744 taskkill.exe 4336 taskkill.exe 1200 taskkill.exe 1044 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1044 taskkill.exe Token: SeDebugPrivilege 1200 taskkill.exe Token: SeDebugPrivilege 4336 taskkill.exe Token: SeDebugPrivilege 2744 taskkill.exe Token: SeIncreaseQuotaPrivilege 392 WMIC.exe Token: SeSecurityPrivilege 392 WMIC.exe Token: SeTakeOwnershipPrivilege 392 WMIC.exe Token: SeLoadDriverPrivilege 392 WMIC.exe Token: SeSystemProfilePrivilege 392 WMIC.exe Token: SeSystemtimePrivilege 392 WMIC.exe Token: SeProfSingleProcessPrivilege 392 WMIC.exe Token: SeIncBasePriorityPrivilege 392 WMIC.exe Token: SeCreatePagefilePrivilege 392 WMIC.exe Token: SeBackupPrivilege 392 WMIC.exe Token: SeRestorePrivilege 392 WMIC.exe Token: SeShutdownPrivilege 392 WMIC.exe Token: SeDebugPrivilege 392 WMIC.exe Token: SeSystemEnvironmentPrivilege 392 WMIC.exe Token: SeRemoteShutdownPrivilege 392 WMIC.exe Token: SeUndockPrivilege 392 WMIC.exe Token: SeManageVolumePrivilege 392 WMIC.exe Token: 33 392 WMIC.exe Token: 34 392 WMIC.exe Token: 35 392 WMIC.exe Token: 36 392 WMIC.exe Token: SeIncreaseQuotaPrivilege 392 WMIC.exe Token: SeSecurityPrivilege 392 WMIC.exe Token: SeTakeOwnershipPrivilege 392 WMIC.exe Token: SeLoadDriverPrivilege 392 WMIC.exe Token: SeSystemProfilePrivilege 392 WMIC.exe Token: SeSystemtimePrivilege 392 WMIC.exe Token: SeProfSingleProcessPrivilege 392 WMIC.exe Token: SeIncBasePriorityPrivilege 392 WMIC.exe Token: SeCreatePagefilePrivilege 392 WMIC.exe Token: SeBackupPrivilege 392 WMIC.exe Token: SeRestorePrivilege 392 WMIC.exe Token: SeShutdownPrivilege 392 WMIC.exe Token: SeDebugPrivilege 392 WMIC.exe Token: SeSystemEnvironmentPrivilege 392 WMIC.exe Token: SeRemoteShutdownPrivilege 392 WMIC.exe Token: SeUndockPrivilege 392 WMIC.exe Token: SeManageVolumePrivilege 392 WMIC.exe Token: 33 392 WMIC.exe Token: 34 392 WMIC.exe Token: 35 392 WMIC.exe Token: 36 392 WMIC.exe Token: SeBackupPrivilege 4812 vssvc.exe Token: SeRestorePrivilege 4812 vssvc.exe Token: SeAuditPrivilege 4812 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2084 !WannaDecryptor!.exe 2084 !WannaDecryptor!.exe 1480 !WannaDecryptor!.exe 1480 !WannaDecryptor!.exe 1952 !WannaDecryptor!.exe 1952 !WannaDecryptor!.exe 4292 !WannaDecryptor!.exe 4292 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3156 wrote to memory of 2092 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3156 wrote to memory of 2092 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3156 wrote to memory of 2092 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2092 wrote to memory of 740 2092 cmd.exe cscript.exe PID 2092 wrote to memory of 740 2092 cmd.exe cscript.exe PID 2092 wrote to memory of 740 2092 cmd.exe cscript.exe PID 3156 wrote to memory of 2084 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 2084 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 2084 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 2744 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 2744 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 2744 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 4336 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 4336 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 4336 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 1200 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 1200 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 1200 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 1044 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 1044 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 1044 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3156 wrote to memory of 1480 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 1480 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 1480 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 1488 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3156 wrote to memory of 1488 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3156 wrote to memory of 1488 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1488 wrote to memory of 1952 1488 cmd.exe !WannaDecryptor!.exe PID 1488 wrote to memory of 1952 1488 cmd.exe !WannaDecryptor!.exe PID 1488 wrote to memory of 1952 1488 cmd.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 4292 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 4292 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3156 wrote to memory of 4292 3156 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1952 wrote to memory of 4660 1952 !WannaDecryptor!.exe cmd.exe PID 1952 wrote to memory of 4660 1952 !WannaDecryptor!.exe cmd.exe PID 1952 wrote to memory of 4660 1952 !WannaDecryptor!.exe cmd.exe PID 4660 wrote to memory of 392 4660 cmd.exe WMIC.exe PID 4660 wrote to memory of 392 4660 cmd.exe WMIC.exe PID 4660 wrote to memory of 392 4660 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:3156 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 127161715627108.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:740
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2084 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2744 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4336 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1200 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1044 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1480 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1952 -
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:4660 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:392 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4292
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4812
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
MD5ba3a6b3d634df51d653a3dccf9762c07
SHA192f5961caed653162e757a5fa3706801533f8f99
SHA25632658cb200e7376d25fc883e2b20215d8809bb6bf3614ea5c178c58d263bf39e
SHA5126079e753085252282015bf32299e3293c260c92df6d569f2bfec3f8ecfda91eb6ffc5d07d82124f9692ac462837bcd31c1ed6a0dcdc5c91b4194e0783bfdb463
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5f447748576e1a88d5f4fc790fe5fb1c9
SHA149e24a6cc16669e655d277826d644b84b40a2419
SHA25691427dd44629f48aa509024730caa1138861eea654fb2b6461fbfe316aa2b21d
SHA512c9276c4d07e9317fb1f986feb67b371af92dfc1a06c74d73462de92124394e4a574cd5345f059b0f58e17d5c6a9b2c5e7265e1d68708a1e419a9721dd15d0dbe
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5a9310b6b081d6af067691ebc06ef15a9
SHA1799b13574238127a41055b79618708e3f8ff6015
SHA256550bd188eb1f9f387ef16dd310e09642c6d433bdd877aed557ac59e73e7f03ee
SHA5123f41e155f54927b7adab8d74d4ffe1f17989918f8feed870393f9e13a9ecd7e9541512ad5dfd144c3c060b16837fa0f3d27cfbe6c4a6da92db7a2c3cfd9f340c
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5544019cb630ef9a327abf1a5cf73ab4c
SHA13231e24d5b2c3f77b400615262b0d087cafa2f49
SHA2568944b37c6544aa1bac5517dade0ea425865b451ec62268204e37bdda857eaa1c
SHA512341d6fcccb5ea7fe53d1698991425287494931d927c34576ef7c809b39b8ba0d4330a5d8b444cb085fedc93f6819f94e299cbc4af155e72346a2420a009a5110
-
C:\Users\Admin\AppData\Local\Temp\127161715627108.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
MD5903f581cf32cc03a4c9e725f721dece3
SHA111622f607743cb084bd4ebc8707f4c56d5e2a568
SHA256accffb3e91e8c7fdd2b69f5c1a4778a0bc61e4ae950724f46b838142eafde779
SHA512d54260b558cfbd9dc51d6dd8a2cb3b0fa031630472f49ed1b0ff48ad811c43cf7a59c799983d32da9b145f72f83c641a532427a133a7966f5a8a2ec85b543b27
-
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/3156-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB