Analysis
-
max time kernel
148s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 07:19
Static task
static1
Behavioral task
behavioral1
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win10v2004-20240426-en
General
-
Target
Ransomware.WannaCrypt0r.v1.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\Documents\!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 1 IoCs
Processes:
Ransomware.WannaCrypt0r.v1.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD2222.tmp Ransomware.WannaCrypt0r.v1.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2856 !WannaDecryptor!.exe 2380 !WannaDecryptor!.exe 1284 !WannaDecryptor!.exe 2968 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
Processes:
cscript.exeRansomware.WannaCrypt0r.v1.execmd.exepid process 2076 cscript.exe 2320 Ransomware.WannaCrypt0r.v1.exe 2320 Ransomware.WannaCrypt0r.v1.exe 2320 Ransomware.WannaCrypt0r.v1.exe 2320 Ransomware.WannaCrypt0r.v1.exe 468 cmd.exe 468 cmd.exe 2320 Ransomware.WannaCrypt0r.v1.exe 2320 Ransomware.WannaCrypt0r.v1.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:
Ransomware.WannaCrypt0r.v1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Ransomware.WannaCrypt0r.v1.exe\" /r" Ransomware.WannaCrypt0r.v1.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 2252 vssadmin.exe -
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 1772 taskkill.exe 1532 taskkill.exe 1816 taskkill.exe 1068 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
!WannaDecryptor!.exepid process 2968 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exevssvc.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1068 taskkill.exe Token: SeDebugPrivilege 1816 taskkill.exe Token: SeDebugPrivilege 1772 taskkill.exe Token: SeDebugPrivilege 1532 taskkill.exe Token: SeBackupPrivilege 2200 vssvc.exe Token: SeRestorePrivilege 2200 vssvc.exe Token: SeAuditPrivilege 2200 vssvc.exe Token: SeIncreaseQuotaPrivilege 1592 WMIC.exe Token: SeSecurityPrivilege 1592 WMIC.exe Token: SeTakeOwnershipPrivilege 1592 WMIC.exe Token: SeLoadDriverPrivilege 1592 WMIC.exe Token: SeSystemProfilePrivilege 1592 WMIC.exe Token: SeSystemtimePrivilege 1592 WMIC.exe Token: SeProfSingleProcessPrivilege 1592 WMIC.exe Token: SeIncBasePriorityPrivilege 1592 WMIC.exe Token: SeCreatePagefilePrivilege 1592 WMIC.exe Token: SeBackupPrivilege 1592 WMIC.exe Token: SeRestorePrivilege 1592 WMIC.exe Token: SeShutdownPrivilege 1592 WMIC.exe Token: SeDebugPrivilege 1592 WMIC.exe Token: SeSystemEnvironmentPrivilege 1592 WMIC.exe Token: SeRemoteShutdownPrivilege 1592 WMIC.exe Token: SeUndockPrivilege 1592 WMIC.exe Token: SeManageVolumePrivilege 1592 WMIC.exe Token: 33 1592 WMIC.exe Token: 34 1592 WMIC.exe Token: 35 1592 WMIC.exe Token: SeIncreaseQuotaPrivilege 1592 WMIC.exe Token: SeSecurityPrivilege 1592 WMIC.exe Token: SeTakeOwnershipPrivilege 1592 WMIC.exe Token: SeLoadDriverPrivilege 1592 WMIC.exe Token: SeSystemProfilePrivilege 1592 WMIC.exe Token: SeSystemtimePrivilege 1592 WMIC.exe Token: SeProfSingleProcessPrivilege 1592 WMIC.exe Token: SeIncBasePriorityPrivilege 1592 WMIC.exe Token: SeCreatePagefilePrivilege 1592 WMIC.exe Token: SeBackupPrivilege 1592 WMIC.exe Token: SeRestorePrivilege 1592 WMIC.exe Token: SeShutdownPrivilege 1592 WMIC.exe Token: SeDebugPrivilege 1592 WMIC.exe Token: SeSystemEnvironmentPrivilege 1592 WMIC.exe Token: SeRemoteShutdownPrivilege 1592 WMIC.exe Token: SeUndockPrivilege 1592 WMIC.exe Token: SeManageVolumePrivilege 1592 WMIC.exe Token: 33 1592 WMIC.exe Token: 34 1592 WMIC.exe Token: 35 1592 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2856 !WannaDecryptor!.exe 2856 !WannaDecryptor!.exe 2380 !WannaDecryptor!.exe 2380 !WannaDecryptor!.exe 1284 !WannaDecryptor!.exe 1284 !WannaDecryptor!.exe 2968 !WannaDecryptor!.exe 2968 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
Processes:
Ransomware.WannaCrypt0r.v1.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2320 wrote to memory of 2820 2320 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2320 wrote to memory of 2820 2320 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2320 wrote to memory of 2820 2320 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2320 wrote to memory of 2820 2320 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2820 wrote to memory of 2076 2820 cmd.exe cscript.exe PID 2820 wrote to memory of 2076 2820 cmd.exe cscript.exe PID 2820 wrote to memory of 2076 2820 cmd.exe cscript.exe PID 2820 wrote to memory of 2076 2820 cmd.exe cscript.exe PID 2320 wrote to memory of 2856 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2856 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2856 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2856 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 1772 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1772 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1772 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1772 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1532 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1532 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1532 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1532 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1816 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1816 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1816 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1816 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1068 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1068 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1068 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 1068 2320 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2320 wrote to memory of 2380 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2380 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2380 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2380 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 468 2320 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2320 wrote to memory of 468 2320 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2320 wrote to memory of 468 2320 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2320 wrote to memory of 468 2320 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 468 wrote to memory of 1284 468 cmd.exe !WannaDecryptor!.exe PID 468 wrote to memory of 1284 468 cmd.exe !WannaDecryptor!.exe PID 468 wrote to memory of 1284 468 cmd.exe !WannaDecryptor!.exe PID 468 wrote to memory of 1284 468 cmd.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2968 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2968 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2968 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2320 wrote to memory of 2968 2320 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1284 wrote to memory of 1716 1284 !WannaDecryptor!.exe cmd.exe PID 1284 wrote to memory of 1716 1284 !WannaDecryptor!.exe cmd.exe PID 1284 wrote to memory of 1716 1284 !WannaDecryptor!.exe cmd.exe PID 1284 wrote to memory of 1716 1284 !WannaDecryptor!.exe cmd.exe PID 1716 wrote to memory of 2252 1716 cmd.exe vssadmin.exe PID 1716 wrote to memory of 2252 1716 cmd.exe vssadmin.exe PID 1716 wrote to memory of 2252 1716 cmd.exe vssadmin.exe PID 1716 wrote to memory of 2252 1716 cmd.exe vssadmin.exe PID 1716 wrote to memory of 1592 1716 cmd.exe WMIC.exe PID 1716 wrote to memory of 1592 1716 cmd.exe WMIC.exe PID 1716 wrote to memory of 1592 1716 cmd.exe WMIC.exe PID 1716 wrote to memory of 1592 1716 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\Ransomware.WannaCrypt0r.v1.exe"C:\Users\Admin\AppData\Local\Temp\Ransomware.WannaCrypt0r.v1.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd /c 325001716362374.bat2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
-
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
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
-
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
-
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exeFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
925B
MD5f613116ef242083d72e57c4d08ec2162
SHA1638dbc42e9973f57b43b21ac2aea379e82dcffc2
SHA256a4b5f87b2119548543b207f59b35dec9827270f2b0cd5887956848aca35d45c3
SHA5128777592e585969cf5f10fd72f15de82fc9f4ddd98be13ca42b5d87000272b8a1f7dc8ac4f944080de79825032eb2f3ecf46b6115e8ccad1700b16d942697c694
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD545f6cae2f7d3e95bfb14590b02919fac
SHA1bdb839e137ba80c3b6e5aeebc0e778409c6f8a48
SHA2563e0b15c73d3fedd9a89dc648d89a0818a20f98af12f62a426eb6115f04923c13
SHA5125bacd38e8b7a589072fe2d6d14830f55223bfac99b3aa02314e1548ab96e5b5ba25d4a8d9dcd2c600a24ab0172f72d2b71a201964a17b8d53e6cb550ed24835d
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5b373823d7fd10c0a6ff72ae070e8cce5
SHA1884eb05a22c22bee658ad706d82ebe9c9edc65e3
SHA25673522575a45d0858f11f3449dd7da49cad4898885a90bebb505180a150a04985
SHA51239033776fba255e0941fb7ce604278638164bac8bc00bdc7c7ae6cccfb595d5049f4485e3734d6c51c7d6c59cbbfef2b68fb87f1f4c19a3a4f4a754f16884376
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5b6137661a36386e9aebf7b61e3613026
SHA1a772a551cdf97c7848de6452f0c33d3ea1b86e60
SHA256d6c1235608695b4baf3d916ce89aca66192b28589503545faf9c98bbce6af852
SHA51245c0e37e6c77ffbc683c84ab4faa81106fd37cc76d1fba60af8817749d297dcca0be3695f875ca08c4d6dac02806516a1dc49f0362805ad23e253f479d2b66fd
-
C:\Users\Admin\AppData\Local\Temp\325001716362374.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
MD5cd9ef553656859412e0009a201a00d25
SHA154e896a35b1cf6eaa253d7a9ccc0069dc9618e9f
SHA256fb3cb3743dc7853ba6769f14eae5dcb7bd6b1d8a4c2c02979a6bb2be44762ecb
SHA512706c2e9ab99fbcb5188379dd7ee1f9d38d904cb4d3a77ed37d365bb1ad9bc60dcbf6347dd4aec9c10ef879e9e45efb5aad29fb96efd0447ca40b439da91e1654
-
C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
C:\Users\Admin\Documents\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
-
memory/2320-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB