Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2024 09:36
Static task
static1
Behavioral task
behavioral1
Sample
(2017) WannaCry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
(2017) WannaCry.exe
Resource
win10v2004-20241007-en
General
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Target
(2017) WannaCry.exe
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Size
224KB
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MD5
75031983cb851f3475c460a40797fe62
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SHA1
4ee0238f082123aeb7642ea2e427f57cf4ee954a
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SHA256
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4
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SHA512
635b72c7fb8d8b3818364a8a239941d4b4ec608f3d87ee966ce6abd599b847f2aee1e895d996391a1802a57afb41127fbc5e87020b5b280aca2066039e94ca36
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/Efc:+5RwTs/dSXj84mRXPemxdBlPvLzLe
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Wannacry family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
Processes:
(2017) WannaCry.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD8E17.tmp (2017) WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8E1E.tmp (2017) WannaCry.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 5104 !WannaDecryptor!.exe 3972 !WannaDecryptor!.exe 3960 !WannaDecryptor!.exe 1336 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
(2017) WannaCry.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\(2017) WannaCry.exe\" /r" (2017) WannaCry.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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).
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System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.execmd.exeWMIC.exe(2017) WannaCry.execscript.exe!WannaDecryptor!.exetaskkill.execmd.exetaskkill.exetaskkill.exetaskkill.exe!WannaDecryptor!.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language (2017) WannaCry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 896 taskkill.exe 2372 taskkill.exe 4440 taskkill.exe 3032 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 896 taskkill.exe Token: SeDebugPrivilege 3032 taskkill.exe Token: SeDebugPrivilege 4440 taskkill.exe Token: SeDebugPrivilege 2372 taskkill.exe Token: SeIncreaseQuotaPrivilege 1048 WMIC.exe Token: SeSecurityPrivilege 1048 WMIC.exe Token: SeTakeOwnershipPrivilege 1048 WMIC.exe Token: SeLoadDriverPrivilege 1048 WMIC.exe Token: SeSystemProfilePrivilege 1048 WMIC.exe Token: SeSystemtimePrivilege 1048 WMIC.exe Token: SeProfSingleProcessPrivilege 1048 WMIC.exe Token: SeIncBasePriorityPrivilege 1048 WMIC.exe Token: SeCreatePagefilePrivilege 1048 WMIC.exe Token: SeBackupPrivilege 1048 WMIC.exe Token: SeRestorePrivilege 1048 WMIC.exe Token: SeShutdownPrivilege 1048 WMIC.exe Token: SeDebugPrivilege 1048 WMIC.exe Token: SeSystemEnvironmentPrivilege 1048 WMIC.exe Token: SeRemoteShutdownPrivilege 1048 WMIC.exe Token: SeUndockPrivilege 1048 WMIC.exe Token: SeManageVolumePrivilege 1048 WMIC.exe Token: 33 1048 WMIC.exe Token: 34 1048 WMIC.exe Token: 35 1048 WMIC.exe Token: 36 1048 WMIC.exe Token: SeIncreaseQuotaPrivilege 1048 WMIC.exe Token: SeSecurityPrivilege 1048 WMIC.exe Token: SeTakeOwnershipPrivilege 1048 WMIC.exe Token: SeLoadDriverPrivilege 1048 WMIC.exe Token: SeSystemProfilePrivilege 1048 WMIC.exe Token: SeSystemtimePrivilege 1048 WMIC.exe Token: SeProfSingleProcessPrivilege 1048 WMIC.exe Token: SeIncBasePriorityPrivilege 1048 WMIC.exe Token: SeCreatePagefilePrivilege 1048 WMIC.exe Token: SeBackupPrivilege 1048 WMIC.exe Token: SeRestorePrivilege 1048 WMIC.exe Token: SeShutdownPrivilege 1048 WMIC.exe Token: SeDebugPrivilege 1048 WMIC.exe Token: SeSystemEnvironmentPrivilege 1048 WMIC.exe Token: SeRemoteShutdownPrivilege 1048 WMIC.exe Token: SeUndockPrivilege 1048 WMIC.exe Token: SeManageVolumePrivilege 1048 WMIC.exe Token: 33 1048 WMIC.exe Token: 34 1048 WMIC.exe Token: 35 1048 WMIC.exe Token: 36 1048 WMIC.exe Token: SeBackupPrivilege 4808 vssvc.exe Token: SeRestorePrivilege 4808 vssvc.exe Token: SeAuditPrivilege 4808 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 5104 !WannaDecryptor!.exe 5104 !WannaDecryptor!.exe 3972 !WannaDecryptor!.exe 3972 !WannaDecryptor!.exe 3960 !WannaDecryptor!.exe 3960 !WannaDecryptor!.exe 1336 !WannaDecryptor!.exe 1336 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
(2017) WannaCry.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3688 wrote to memory of 4872 3688 (2017) WannaCry.exe cmd.exe PID 3688 wrote to memory of 4872 3688 (2017) WannaCry.exe cmd.exe PID 3688 wrote to memory of 4872 3688 (2017) WannaCry.exe cmd.exe PID 4872 wrote to memory of 1340 4872 cmd.exe cscript.exe PID 4872 wrote to memory of 1340 4872 cmd.exe cscript.exe PID 4872 wrote to memory of 1340 4872 cmd.exe cscript.exe PID 3688 wrote to memory of 5104 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 5104 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 5104 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 896 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 896 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 896 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 2372 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 2372 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 2372 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 3032 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 3032 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 3032 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 4440 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 4440 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 4440 3688 (2017) WannaCry.exe taskkill.exe PID 3688 wrote to memory of 3972 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 3972 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 3972 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 1892 3688 (2017) WannaCry.exe cmd.exe PID 3688 wrote to memory of 1892 3688 (2017) WannaCry.exe cmd.exe PID 3688 wrote to memory of 1892 3688 (2017) WannaCry.exe cmd.exe PID 1892 wrote to memory of 3960 1892 cmd.exe !WannaDecryptor!.exe PID 1892 wrote to memory of 3960 1892 cmd.exe !WannaDecryptor!.exe PID 1892 wrote to memory of 3960 1892 cmd.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 1336 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 1336 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3688 wrote to memory of 1336 3688 (2017) WannaCry.exe !WannaDecryptor!.exe PID 3960 wrote to memory of 1064 3960 !WannaDecryptor!.exe cmd.exe PID 3960 wrote to memory of 1064 3960 !WannaDecryptor!.exe cmd.exe PID 3960 wrote to memory of 1064 3960 !WannaDecryptor!.exe cmd.exe PID 1064 wrote to memory of 1048 1064 cmd.exe WMIC.exe PID 1064 wrote to memory of 1048 1064 cmd.exe WMIC.exe PID 1064 wrote to memory of 1048 1064 cmd.exe WMIC.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\(2017) WannaCry.exe"C:\Users\Admin\AppData\Local\Temp\(2017) WannaCry.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3688 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 310741730021895.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:1340
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:5104
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:896
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2372
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3032
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4440
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3972
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3960 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1048
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1336
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4808
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
1KB
MD5ac5cf290e01b5a22ce35816ea5e62786
SHA14b0e78f596fa8ebbab0fbfc74be75742221178cb
SHA256c649d6fc9c921bb913ceca895b26e7549383254e33a68c74e82b406159172495
SHA5125f7ef807ff41a8cc684762a5732b83c16e57e98494bc28262bf25db204e4901e916a6b074e06622f411236fff57acabb8fb2b9fd58d4527fa98f17897223434b
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Filesize
136B
MD5beb244bad749b759f1c0804271b5efc5
SHA18ea2339ee855eb096734385ea63843f183c8d98b
SHA256d20ec4ff0e275be570e7938cdf85eb49c92f4800cabeb86909d42151345071af
SHA5122e55e890178b8ad1a2673c087fb8f22d98ea29e9ee73c0c9827b464eeb1bb9a51639c7d2d3ae88d1196be25f98a7990a01261a828859b3380b20116ee8261698
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Filesize
136B
MD510dcb747d72d78dddb39b07b62eb9073
SHA148f6ba2cf3ae361be348d9bb2784d3c77277e6e7
SHA256c301b6843938d9b1f910a2ce98c7e18992900434cbd0d694a9832be977535c95
SHA51230b7533ed05122c5628a37c715a22b26c4357b9d38a9b7dea196c9d6e154daf50c969159c8404e4748f85faa71b675d95c4891cc5b93566938472cdbfadadbac
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Filesize
136B
MD55f3885bbc172d7d5f3db888b96cb7cd7
SHA121477f41315730b79108f79c5a3cfa8804701c11
SHA25613bfef9824f04de5b1c2732355043fbee2e82101527575bccbfc4180d7ba58b1
SHA512b5979ef2d901f28050809c995d9fb04c6c1890cf8c223dd6fe35e5555779f739d8eb3bc915818284e27b166f8cb964f966f2d93581126928c81c597d0eefac24
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD519d874cfd897e0557fef962774d16f74
SHA10bf3e6fdc130bb1e61cf25ecd5772cf967072fbe
SHA256fce397b7437346c8891062b1eaaad47540f595469d4b98ebe068c2d6dd9e7d63
SHA512f8ad3d2edcc8b350cce5885449ef9ee0a067f632a7cd372d505f05e40a5ca2555dd5f1879d2bc490350bbd3b2b85730de6a1b0df44394bffff08cf113295e77c
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5